MARCH Jet Propulsion 2017 Laboratory VOLUME 47

NUMBER 3

Two years at By Franklin O’Donnell

Before the spacecraft slipped into orbit around the dwarf Ceres in March 2015, many on the mission team thought they’d be lucky just to get to the icy world and collect some data. Optimistically, they thought, the spacecraft might be able to manage 15 months in orbit there. Two years later, Dawn’s tour at Ceres has turned out to be full of surprises of the happy kind. The spacecraft not only made it to the end of its prime mission last June 30, but has kept on going through six science orbits at various altitudes around Ceres. Currently it’s completing an extended mission that ends this June. “It’s really a testament to the ingenuity of the flight team,” said Marc Rayman, Dawn’s mission director and chief engineer. He said the 35-member team has “been brilliant in their con- servation of hydrazine”—the fuel that powers the spacecraft’s thrusters. Expectations for Dawn’s Ceres tour were guarded because of hardware issues that cropped up over the mission’s 9½-year lifetime so far. Launched in 2007, Dawn is equipped with ion Ceres is shown in these false-color renderings, which highlight differ- ences in surface materials. propulsion providing just enough gentle acceleration to allow it to achieve a first: orbiting not one but two different solar system to the team’s ingenuity we have enough to continue operating at targets beyond Earth’s orbit. In Dawn’s case, the targets were least until the end of our extended mission in June.” Ceres and the protoplanet Vesta, the two largest objects in the Dawn began its stay at Ceres in a relatively high circular orbit, solar system’s belt. gradually moving to lower orbits, collecting different science In order to maintain its orientation in space, Dawn carries data at each altitude. In the extended mission that began last four reaction wheels. Three of the gyroscope-like devices are July, Dawn spent more time at a low altitude—closer to Ceres needed to control the spacecraft’s roll, pitch and yaw. They are than the International Space Station is to Earth—before moving augmented by a system of hydrazine thrusters. to higher altitudes last fall. So when two of the four reaction wheels failed before Dawn One of the main reasons to move to a low orbit was to mea- got to Ceres, the mission turned into a nail-biter. The team sure nuclear radiation emitted from material down to about a could compensate by turning to the thrusters to control the yard underground—offering insight into the elements found spacecraft’s orientation, but hydrazine was a far from limitless there. That yielded “eight months of absolutely beautiful data,” resource. said Rayman. “Last year at this time, we expected to run out of hydrazine As beautiful as it was, the data could be improved by another later in 2016, or maybe early 2017,” said Rayman. “But thanks Continued on page 2 job.” Ceres. The team has donea spectacular and, insomecases,evenbefore arrivalat never evenconceivedofprior tolaunch– tion, conductingmanymeasurements we original planforsciencedata acquisi he said.“We’ve gonewaybeyondthe compelling dataatCeres aspossible,” system totakeasmuchscientifically Dawn’s instruments and the entire flight man saysithasachievedfabulousresults. mission comestoanendJune30,Ray current extendedmission. But evenifthe options forfurtheroperationsbeyondthe NASA Headquarterstoidentifypossible hydrazine, theDawnteamisworkingwith vided bythemission’s thriftinesswith scopic levelofsaltcrystals.” materials onCeres, evenatthemicro conclusions aboutthetexture ofsurface brightness willallowscientiststodraw ence will be worth it. Subtle changes in achieve,” saidRayman.“Butthesci a strobe inaphotostudio. tion angleforimaging—muchlikemoving sun. Thiswillprovide adifferent illumina polar orbitwithrespect toCeres andthe April 24,Dawnisadjustingtheangleofits es insciencedata.From Feb. 22 through bital changetoachieveevenmore bonus higher orbitextendsthemissionlifetime. certainly haverunoutbynow. Goingtoa stayed inaloworbititwouldalmost more hydrazinefuel,andifDawnhad Low orbits,saidRayman,require much Ceres, makingthedatafreer from noise. ed outfrom thereadings Dawntookat the solar system. This could be subtract from cosmicraysoriginatingfaroutside Dawn couldmeasure nuclearradiation change intheorbit.Bymovinghigher, DAWN “We havereally pushedthelimits of Because ofthenewleaseonlifepro “This orbitchangeisverydifficult to Currently Dawnisexecutinganotheror Raising theorbithad another payoff. Continued from page1 ------Ceres Science:TheTop 5 revealed bygammaray andneutron data. beneath thesurface inpolarregions, as few metersdeepattheequator, andjust by thepresence ofashallowicetable in itshistory. Thisconclusionissupported ation, leadingtoasubsurface ocean early within theinteriorduringglobal scalealter indicate separationofvolatilesandrock shape, gravityandsurfacemorphology sufficient, componentsoflifeonEarth. because theyare necessary, thoughnot molecules are interesting toscientists hemisphere Organic cratercalledErnutet. organic material inandaround anorthern- craft’s spectrometers found evidencefor tists announcedthatoneofthespace deposits inyoungimpactcraters. may alsocontributetoflowsandbright volcanism, possiblyinducedbyimpacts, briny fluidseruptedontothesurface.Cryo to beacryovolcanoconstructedwhen largest mountainonCeres, appearsinfact the mainasteroid belt. Ceres’ current positionorbitingthesunin outer solarsystem,movinginward towards grated from thecolderenvironment ofthe from whichCeres formed,mayhavemi holding thatCeres itself,orthematerial rocks. Italsoargues infavoroftheories extensive interactionsbetweenwaterand found alloverCeres’ surfaceindicates plumes onSaturn’s moon Enceladus. Earth, itisacompoundalsofoundinthe Known assodaashorwashingon craters isdominatedbysodiumcarbonate. ’s centraldomeandotheryoung found thattheverybrightmaterialwithin located alloverCeres’ surface.Scientists bright spotsmushroomed to130ormore, Dawn wasarriving.Laterthenumberof them, spiedinOccatorcrateronCeres as stories fromthespacecraft’s timeatCeres: 5. Past 4. 3. 2. 1. Dawn DeputyPrincipalInvestigatorCarolRaymond’s picksofthetop5science Organics: Cryovolcanism: Water Clues: Bright Spots: SubsurfaceOcean: Last month,Dawnscien Ammoniatedclays Firstthere were twoof Ahuna Mons,the Ceres’ - - - - - intriguing brightestareas. Occatordisplaysevidence the surfaceshowsOccatorCrater, homeofCeres’ An Oct. 17imagefromabout920milesabove organic material. craterareassociated withevidenceofaround Ernutet The Dawnscienceteamfoundthatthe redareas of recentgeologicactivity. gerated byafactoroftwo. simulated perspectiveview. Elevationhasbeenexag Ceres’ lonelymountain, Ahuna Mons, isseeninthis

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Universe 2 caption tocome June 2008(center) andJune2014(right). Colors progressingfromgreentoorange red representgreateraccumulatedwaterloss between April 2002andJune2014. asseenbyNASA’s ofdecliningwater storageinCalifornia This trioofimages depicts satelliteobservations andClimate ExperimentsatellitesinJune2002 (left), GravityRecovery We’re justfocusedondoing thebestwe care tokeepthemgoingthesedays. ing satellites.Ittakesquiteabitofextra Follow-On mission. to achievecontinuitywiththeGRACE We’re lookingtodoeverything wecan gotten 15yearsofgreat sciencedata. three. Howare theydoing? their intendedlifetimebyafactorof Carmen Boening reflect onthemission. Boeningreflect Carmen GRACE Follow-On,isplannedforlaunchwithinthenextyear. GRACEProjectManagerRobGastonandScientist Here, Fifteen yearslater, specialmanagement.Asuccessormission, requires GRACEcontinuestooperate,thoughthestateofitshardware rise, meltingglaciers,riverhydrology, undergroundaquifersandearthquakes. able capabilityallowsthemtodetectminutevariationsinEarth’s gravity, asvariedsea-level enablingscientificfindingsinareas 220kilometersapart.Thisremark thedistancebetweenthemtowithin1/10thofwidthahumanhairwhentheyare measure GRACE intripleovertime Of course,we’re dealingwithtwoag Gaston: The GRACEsatelliteshaveoutlived When GRACE launched in March 2002, JPL and its international partnersexpectedtheEarth-orbitingmissiontolastfiveyears. When GRACElaunchedinMarch2002,JPLanditsinternational Thanks toaspecialJPLGPSreceiver, andClimateExperiment,orGRACE,missioncan thetwinsatellitesofGravityRecovery We’re thrilledthatwe’ve - us tospendalotoftimeworkingwith age astheydidoriginally. Thatrequires by, theyare notputtingoutasmuchvolt we everexpected,andastimehasgone batteries havebeeninspacelongerthan dation ofthesatellites’batteries.These dealing with? both satellites. can withwhatcapabilityremains with Gaston: What are themainissuesthatyou’re The primaryoneisthedegra - - uncertainty aboutexactlyhowmuch ers forattitudecontrol. There issome compressed nitrogen usedinthethrust to maximizethesciencereturn. the batteriesandwithsatelliteoperations by theendofJune2017. scenario thegaswillbefullyconsumed ent ways.We thinkthatinaworst-case we obtainwhencalculateitindiffer gas isremaining, duetodifferent results Another factoristhecoldgas, And anotherarea isthealtitudeof By Franklin O’Donnell Continued onpage4

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Universe 3 much itwasmelting, andwithGRACEwe melting, butcouldn’t really quantifyhow of knewthattheGreenland icesheetwas sheet melt.Before GRACE,peoplesort tant earlyfindingswastheGreenland ice from themission? as someofthemostimportantresults the mission. the thingthatmostlikelywouldterminate now weanticipatethecoldgaswouldbe down untilspringorsummer2018.Right have. We’re notexpectingdragtobringus pate we’dbeabletostayupaslongwe early oninthemissiontheydidn’t antici cooperated through much of themission— ing theiraltitude.Fortunatelythesunhas tion thatslowsdownthesatellites,lower atmosphere toexpand,causing more fric When solarflares occur, itcausesEarth’s al satellites’ orbits.Overtheyearstheir GRACE in 5x,Chodassaid.“Themore youbroaden, themore valuableyou ance, qualityassurance,componentengineeringandsystemsafety. disciplines: missionassurance,reliability andenvironmental assur Jan Chodas. lead ateam,”saidOffice of SafetyandMissionSuccessDirector four tofivehoursperweek. will becovered by5x,andthetimecommitmentisestimatedtobe tions withseniormanagers,facilitytoursandmentoring.Funding through September. will beselectedfortheinitial12-weektrainingperiod,from June Office ofSafetyandMissionSuccess(5x).Fiveto10candidates managers intheEngineeringandScienceDirectorate (3x)andthe ance RotationalTraining (SMART),” willbenominatedbydivision technical authoritiesoneveryJPLflightproject. ship withstrong technicalknow-how. mission assurancemanager, akeyfunctionthatcombinesleader to create apipelineoftalenttoserveinthecriticalproject role of New trainingprogramforsystemsengineers Mission assured titudes havebeengraduallydecreasing. Boening: What sciencefindingscometomind It’s beneficialforengineerstospendsomeportionoftheircareer Trainees willbe rotated thougheachofthemissionassurance “We needpeoplewho thinkbroadly, seethebigpicture andcan The interactivetrainingwillfeature real-life casestudies, interac Candidates fortheprogram, called“SafetyandMissionAssur The missionassurancemanagerisoneofonlytwoindependent JPL isinitiatinganew, career-enhancing trainingprogram inorder Continued from page3 Ithinkoneofthemostimpor - - - - in turn wascaused partly byLaNiña. in turn was related tofloodsinAustralia,andthat the sealeveldrop—how thesea-leveldrop water cyclewasinvolvedwhen weanalyzed was theconnectionswithhow thewhole India related tothewaterusethere. Another important result wastrends wenoticedin mind askeyresults from themission? study theseconnectionsbetter. systems. WithGRACEwe’re nowableto much abouttheconnectionsbetween gists lookedatice—buttheydidn’t thinkso hydrologists lookedatlandandglaciolo that, oceanographerslookedattheocean, water cyclewasnewtoscientists.Before ice. Havingacomprehensive viewofthe ed tolandandhowthatisconnectedthe water cycleandhowtheoceanisconnect surement, soyougetasense oftheglobal vantages isthatitprovides aglobalmea had thefirsttoolthatwasabletoseethat. Boening: Do anyothersciencefindingscometo Beyond that,oneofGRACE’s great ad In thearea ofgroundwater, one - - - - disciplines andexpertise,theydevelopacertainwayoflooking dent riskperspectivethatwebringtoprojects, theyunderstandour tioned to3xhavetheknowledgeandexperienceofindepen she added.“Thosewehavehired whohavesubsequentlytransi are toJPL.” systems engineerandmyMAMasleftrighthands.” manager fortheJunomissiontoJupiter, “thoughtofmyproject ers report functionallytoproject managers.Chodas,formerproject at theirwork.” “We valueflowbackandforthacross the3xand5xboundaries,” Similar toproject systems engineers, missionassurancemanag - - - - such asdrought monitoring. quickly, and wouldbeveryusefulinareas organizations usingthedatatoreact more once amonth.Thiswillallowscientists and available withinacoupleofdays, insteadof called aquick-lookproduct—data thatis launches, theproject willproduce whatis more inthefuture. WhenGRACEFollow-On ment. Iwouldliketoseethathappening more foroperationalusewatermanage now thatwe’re usingGRACEdatamore and tinue thattimeseries. GRACE Follow-Onwillbeimportanttocon the naturalvariabilityinwatercycle. is risingversusjustincreasing becauseof We’re betterabletoseehowfastsealevel for example,insealevel,justtonameone. fluctuations inavarietyofdifferent areas— to seelong-termtrends versus short-term tablished overmanyyears,we’re betterable investigations? new ground you’dliketo break inscience GRACE Follow-Onmission,isthere any But whatIthinkisreally groundbreaking Boening: As youmovefrom GRACE tothe With GRACE’s datarecord es - - -

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Universe 4 liked totalk him, andhecouldalways the core issueofanyproblem. Peoplejust usually seehiswayrighttothe end,to on here atJPL.We worked togetheralot. on everyproject thatanyoneelseworked ager, heworkedonGalileo.Joe project manager, andhe workedonVoy Mariner projects. IbecametheVoyager worked ontogether. AlltheRangersand whole careers. ning, andremained thatwaythrough our pretty goodfriends rightfrom thebegin that’s howIgottomeethim.We became that hadtointeractwithoneanother, and both were workingonpartsofthesystem was workingontheground system.We was goingtobeinthemissile,andJoe system. Iwasworkingonthestuff that command system.Itwasaguidance CODORAC—coded Dopplerrangingand on atthattimewassomethingcalled Joe wasintheground equipmentgroup. was inthemissileequipmentgroup, and the sectionmanagerwasJackJames.I NASA wascreated, thiswas1956—and Section 17atthattime—thiswasbefore Monday. the followingMonday, orthepreceding on aWednesday andhestartedeitheron a weekofoneanother. Ithinkstarted lasting influence. ofSavino’s personal recollections share leaders intheJPLengineeringcommunity the Division34chiefengineer. three Here, rolewasas in 2009,andhismostrecent his longcareer. HebecameaJPLFellow numerous spacemissionsforNASAover lab,Savino wentontocontribute Army work onmissilesduringJPL’s eraasan atthelab. JoiningJPLin1956to career strong impacthehadduringhis60-year bymanyforthe age of85,isremembered 60 years aJPLer, Savino willbemissed Joe wasaproblem solver. Joecould Just abouteveryotherproject, we The bigproject thatJPLwasworking We bothwere hired intowhatwas Joe andIwere hired here atJPLwithin John Casani,formerchiefengineer Joe Savino,whodiedMarch4atthe - - we’ll glossover orsometimesforget to systems engineer, orasoftware engineer, worked attheirfundamentallevel. Asa the forefront ofspaceexploration. lab, andhowthatledtojustus beingat because ofwhathecontributedtothe of that,andIthinkhe’s anationalhero tion in.IthinkJoewasasignificantpart that thislaboratoryhasreally ledthena those folkshadtowards nationalgoals and thecommitmentloyaltythat preciated thestories abouttheintensity cinating stuff that JPLwasdoing.Iap but itwasfuntohearallaboutthefas I knewhimwhenhewasolderthanthat, he wasloyalandcommitted. was notjustinterested inJPL—although was interested inalotofdifferent stuff, he person whowouldtalktoanybody. He manager, Mars2020 That’s whatIlovedabouthim. say, no,youhavetofindthesimpleway. And Joewouldcatchpeopleatthatand times they’llfindawaytomakeitharder. problem andit’s nothard enough,some JPL, butsometimesifyougivethema or helpful. come upwithsomethingthatwasuseful Joe knewhowthebasicsystems He wasaRenaissancemanofhistime. I lovedJoeSavino,becausehewasa Jennifer Trosper, missionsystem We havealotofgoodengineersat - - - - meat-and-potatoes guywhenitcameto eat ourmeatandpotatoes.Hewasa JPL hisall.And that’s whathedid. and was85yearsold,hewanted togive wouldn’t quit.Evenifhewaseatinglunch he was—hehadaworkethic thatjust something challenging.That’s justhow something interesting; itwasalways him whathe’s workingon.Itwasalways times—to sitdownwithhimandask Old friendswouldgoover—Ididmany magnet, peoplewere justdrawntohim. years, whenhepassed. a placelikethis.Heworkedhere for60 ably foundhimselffortunatetoworkat wanted toshare whatheknew. Heprob I thinkwasimportanttoJoe.he them out,helpingcross thatdivide, about thelaboratory, andthenhelping young engineerwhoknowsverylittle I dotoday. that wasthespringboard forallthethings Pathfinder—which wasthebestjob—and forcing ustounderstandthat. on thebasicsofhowthingsworked,and He hadagoodwayoffocusingusback was allbasicandpracticalsensible. engineering. Ireally appreciated howit It wasinteresting, becauselikea He wasateacheratheart.Finding Chris Jones,JPLchiefengineer Joe landedajobformeon[Mars] -

Universe 5 Physics conferenceaidswomenundergrads new hires forJPL.” physics are anattractivepoolofpotential out tofemalestudents,andgraduatesin the “Women andGirls”initiativetoreach engaged withNASAHeadquartersin visibility ontheircampus.Also,JPLis one ofthoseactivitiesthatincrease our is astrategicpartnerandthisexactly portant toJPL,”saidZuffada. “UCLA NASA. tunities availabletothemfrom JPLand an outreach booth. A group from theEducationOffice staffed number ofuniversities,includingUCLA. about 250womenparticipatingfrom a in paneldiscussionsandinteractedwith number ofJPLscientistswhoappeared Zuffada, theeventbrought togethera ence atUCLA. Undergraduate Women inPhysicsconfer annual AmericanPhysicalSocietyof careers, JPLrecently co-hostedthe12th education foryoungwomenandtheir JPL scientistshelpedUCLAstudentsseethevalueofacareer pathtoscienceandengineering “Participation inthiseventisveryim abouttheoppor The studentslearned Led byAssociateChiefScientistCinzia In recognition ofthevalueSTEM B N rie ews f s - -

- Goutam Chattopad Research Scientist Chattopadhyay getsalmamaterhonor Lecturer. tion Engineers(India) andanIEEEDistinguished the Institutionof Electronics andTelecommunica of ElectricalandElectronics Engineers(USA)and ics andAstronomy. HeisaFellowoftheInstitute iting associateintheDivisionofPhysics, Mathemat engineering in1999from Caltech,where heisavis lastic achievementanddedicated service.” to theprofession, scho standing contribution recognition ofhisout and Technology, “in Engineering Science the IndianInstituteof graduate almamater, Award byhisunder Distinguished Alumni hyay has received the adjunct professor atUCLA. generation,” addedEldering,whoisan would liketogivethatbackthenext models andmentorsinmycareer, soI for acareer. engineers thinkofusastheirfirstchoice long runwhenmore youngscientistsand career paths,andJPLwillbenefitinthe new setofinformationaboutpossible “I thinktheybenefittedfrom acompletely scientist inJPL’s EarthScienceSection. said AnnmarieEldering,deputyproject oped skillsinpresenting andinteracting,” the students’workandtheirwell-devel questions.” many brightyoungwomenaskinggreat incredible, itwassorewarding toseeso she said.“Theenergy intheroom was ent from thoseinacademiaorindustry,” perspectives oncareers thatare differ national laboratories.“We were providing career panelfeaturingwomenworkingin etary ScienceSection,moderateda Division 38Senior Chattopadhyay received hisPh.D.inelectrical “I havegreatly benefittedfrom role “I wasveryimpressed atthecaliberof Rosaly Lopes,managerofthePlan - - - - Goutam Chattopadhyay - - -

- - - participation intheconferenceatUCLA. Associate ChiefScientistCinziaZuffadaledJPL’s (instrument development). (Earth science)andJordana Blacksberg etary protection), HuiSuandMingLuo and MoogegaStricker(robotics andplan Ashley Karp(propulsion), ChristineFuller alumnae), AlinaKiessling(astrophysics), Mainzer andFarisaMorales(bothUCLA Award in2006. theNASAExceptionalAchievement She earned system projects sincejoiningtheLabin1985. excitement. major scientificenterprise,withall itspitfallsand perspective aboutwhatit’s liketobeinvolvedina provides apersonal cialist readers, Buratti lar System.” Guided Tour oftheSo tic Worlds Familiar: A book, “Worlds Fantas has publishedanew Satellites Group, ets, , and pervisor of the Com New solar-system bookbyBuratti Other JPLscientistsonhandwere Amy Buratti hascontributedtonumerous JPLsolar- Written fornon-spe Bonnie Buratti,su - - - - - Bonnie Buratti -

Universe 6 Pasadena, CA91109. 4800 Oak Grove Drive, Jet Propulsion Laboratory, Education Directorate ofthe the Communicationsand Universe ispublishedby P in Whittier. Services were heldatRoseHillsMemorialPark by hiswife,Mirin,andchildren EllenandLina. 24. Linn LutheranChurch inWest Linn,Ore. Kinga andSylvia. Emese, sonTamas andgrandchildren Enikoe, uting toCassini,GalileoandMarsPathfinder. tion Division,diedJan12. ist intheMechanical,ElectricandMetalsFabrica Wu hadbeenwithJPLsince1987.Heissurvived JPL systemsengineerPatrickWu, 66,diedJan. A memorialservicewillbeheldApril8atWest He issurvivedbyhiswife,Helen,daughter Varga workedatJPLfrom 1982to2002,contrib Bill Varga, 79,aretired seniorinstrumentspecial Mark Whalen Editor [email protected] assings E-MAIL USAT

- - - SPACE INFO/memorabilia from U.S. & other Wanted com; [email protected]. $10,000. 818-268-3734orperalta.lina@gmail. service for21/2yearsthatwe’veownedit; damages, canprovide records forallmaint./ the carhasn’t hadanyaccidentsorstructural bring itwithus,weare thesecondownersand 2-bike rack,exc.cond.;movingabroad, can’t controls forwindows/mirrors, comeswitha drive, ~28milesfwy, ~25.5city, a/c,allelectric miles, 2.5LI4FIDOHC16Vengine,front-wheel ’12 NISSANRogueSsportutility, black,81K 626-808-1009, Richard. clean, wellmaintainedandrunswell,$3,500. coal metallic,fullyloaded,originalowner, very ’99 HONDAOdysseyEX,166,000miles,char / Accessories Vehicles Ads submittedMarch 4to10 C Metro Pico station,many bus routes, 25-min. cess to110/10frwys,across theblockfrom bedroom onrequest;furn., furnished easyac many attractionsnearby;common areas fully Staples andConventionCenter downtown, bath inshared 2-bed,2-bathapt.overlooking LOS ANGELES,masterbedroom w/connected For Rent 714-497-0870, [email protected]. 8.5 milestoJPL,15-20min.on210;$399,000. garage, washer/dryerinunit,centralair/heat; TUJUNGA house,2bedrooms, 1bath,1-car Real EstateforSale ton.edu, 818-790-8523,Marc Rayman. v=S7PvjGp7mCU). [email protected] http://www.youtube.com/watch? countries, past&present, forpersonaluse(see Befu, Frances Taylor, years, Section3200. Hayes, Baker,Cheryl 352B; Section 329H; years, Section5114; 31 years,Section3223; Kuo nounced theirretirements: R Barbara Kachachian January William Revere February The followingJPLemployeesrecently an , 32years,Section312B; 16years,Section3113. lassifieds etirees 14 years,Section2814; Annette Ling, 21 years,Section252E; Lawrence Lee, , 39years,Section3500; 27 years,Section2724; 25years,Section 1000; , 30years,Section3813; Daniel Walsh, . Jessica Revere, 25 years,Section Wesley Traub, Brenda Franklin 27years, Edmund Neal 31 Jodi 12 - - - - , L colleagues. to continue those adventures with my incredible Curiosity andOpportunityIamsoverylucky who lovedfollowingalongwiththeadventures of lengthy absence.JohnEllisonwasatrueexplorer team whocovered myresponsibilities duringmy colleagues intheOpsLabandMSLECAM ary. Inparticular, Ioweadebtofgratitudetomy and card aftermyfatherpassedawayinJanu Doug Ellison I’d liketothankmycolleaguesfortheplant lease; $1,325/mo.951-454-9916. drive toJPL;utilitiessplit3ways,13-month grill, pool;nopets.http://Courchevel6.com. 2-cargarage,Jacuzzis, less hi-speedInternet, TV,kitchen, cable/Internet DVD,Blu-Ray, wire walk toCanyonLodge;Courchevel 6features full MAMMOTH, remodeled 2bed/2bath+loft,short gmail.com. no pets.818-952-2696orBigMtnPrettySky@ players, free wirelessandwasher/dryer, Internet by pond/meadow, new appliances, TVs, DVD do, 2 bd., 2 ba. + loft (sleeps 6-8), great location MAMMOTH, Snowcreek, beautiful updated con 9222, [email protected]. moth Creek, JPLdiscount,nopets.626-798- Jacz., sauna, streams, fishponds, close to Mam D/W, cableTV, VCR,phone,balconyw/mtn. vw., sleeps 6-8,fullyequip’dkitchenincl.microwave, MAMMOTH, Snowcreek, 2bd.,ba.+loft, Vacation Rentals 626-422-9032, Paula. seeking long-termrenter; asking $2,200/mo. 210/10 frwys.,Arcadia, Pasadena,SanGabriel; walking dist.toTemple City HighSchool,closeto rage, single-family home in a quiet neighborh’d; dining rm.,lg.kitchen,family2-carga TEMPLE CITY, 2bedrooms, 2baths,livingrm., 626-644-7283. smoking orpets;availableApril1;$1,400/month. location; washeranddryerare inthegarage;no views ofthemountainsinaveryquietandprivate included; househaslotsofstoragewithbeautiful cableTV,house; internet, trash andallutilities SIERRA MADRE;1-bedroom, 1-bathback 818-960-8654. dogs andbeveryclean;$900+deposit. short- or long-term lease available; must like 2 milestoJPL,close to publictransportation; shared bathroom, kitchenandlaundryprivileges; house, bigbackyard, hardwood floor, bigcloset, PASADENA, room furn. inalovely4-bd./2-bath etters - - - - -

Universe 7