Stargazer Astronomical Society of South East Texas P O Box 654
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ASSET NEWSLETTER STARGAZER ASTRONOMICAL SOCIETY OF SOUTH EAST TEXAS P O BOX 654 President - Will Young Vice-President - Kyle Overturf Secretary - Brenda Tantzen president@asset-astronomer. org [email protected] [email protected] Treasurer - Eddie & Cat Trevino Newsletter Editor - Howard Minor [email protected] [email protected] THE CLUB WEB SITE: CHECK THESE ARTICLES MARCH 2017 ISSUE asset-astronomer.org PAGE 2…….Standard Time NEXT MEETING IS FRIDAY ASSET Meeting PAGE 3…….The Sailboat Location D MARCH 10TH, AT 7:00 PM 10 PAGE 4…….Comet Campaign BISD - The meeting is back in I 19TH ST 19TH the Frank Planetarium PAGE 5…….Fun Facts R ACCESS PARKING OK MEMBERS, PLEASE PAY OVERFLOW PAGE 6…….Planet Parade NORTH ST. THOSE CLUB DUES: THANKS BRENDA’S MINUTES WILL’S WORDS Flowers are in bloom and the ASSET Minutes February 10, 2017 winter constellations are making their way toward the west! It's Welcome new member Julie Page. We also had two visitors. We will be having Solar a great time of year to get out and observe. Safety and Introduction to Astronomy classes Speaking of observing, the Hodges Gardens sometime in May at the Planetarium. The Star Party is coming up! This is a very close Hodges Garden Star Party is March 22-26. star party and is one of my favorites. Bring Hodges Gardens is south of Many, LA, and a your dry camping gear as there is no power but great site for a star party. Kids event spon- the skies are very good. I'll have more on this sored by the Beaumont Art Museum on April 7. We will be setting up at Riverfront Park. one at the March meeting. Our dark sky spot Meet about 6:30 p.m. Martin Dies Star Party, at Magnolia Ridge is as good as ever. We had April 22, 6:45 p.m. Will had a video about the our monthly dark sky party and the skies were iridium flares that have made for such vivid fantastic! The park is excited to have us come displays of light in the sky. They are being out so we need to take advantage. We have deorbited and replaced. Don’t forget to several outreach events coming up as well! SMILE when you buy on AMAZON. Watch for emails about those and help if you Attendance: 20 can. We appreciate those of you who help March refreshments: Julie Choate educate future astronomers! I will see you at Brenda Tantzen the March meeting! Will ASSET Secretary PA OBSERVERS’ PAGE WHAT DO YOU KNOW ABOUT STANDARD TIME? In the 1800’s the time was a local matter, and most cities used some form of solar time. As trains began to travel across the country, time was seen to be more standardized. On Nov. 18, 1883, railroad companies agreed to a new system which divided the U.S. into 4 standard zones. This was established by U.S. law by the “Standard Time Act” of March 19, 1918. For the purposes of navigation and astronomy (especially interferometry in radio astron- omy), it is useful to have a single time for the entire Earth. For historical reasons, this “world time” was chosen to be the mean solar time at Greenwich, England (0 degrees longitude), and this time is called the Universal Time (UT). But due to a physical processes, such as mass mo- tions in the atmosphere, the rate of rotation of the Earth varies from the mean solar time, and so a timescale called Coordinated Universal Time (UTC) was adopted. On the internet there is a ton of info on time around the world. Check it out! LAST SATURDAY NIGHT THE CLUB DARK SKY STAR PARTY HAD GOOD SKIES! Will reported with this Quick Note. The star party at Magnolia Ridge was amazing! Gerald and I brought scopes out and Patrick, our park ranger, and new members Linda and Alex came out to ob- serve with us. We saw quite a few good objects. About 10pm the dew came in and got all my gear. But the skies were amazing. We truly have a nice spot at that park. STARTING TONIGHT, AS YOU GET THIS STARGAZER, THE NEXT 7 DAYS WILL BE A CRESCENT MOON The time is now to get out the Telescope, Binoculars, and your Naked Eye, to observe the Moon dancing pass Venus and Mars. And as it continues across the sky watch the terminator change the surface features from night to night. Maybe the skies will clear enough for a good week to catch the “Crescent Moon”. Pull out your Moon Maps and find some of the neat features like the Mares, Craters and Mountains. How small a crateret can you see or did you notice a mountain in the center of a crater? HODGES GDNS STAR PARTY, IT IS NOT TO0 LATE TO GO! You don’t have to sign up ahead of time, just go. You also can just make the weekend. It is so simple. Please check with Will at the meeting on the 10th. He can get you lined out, if you can’t make up your mind. The cost is cheap. Just the weekend nights total, approx. 20 to 25 bucks plus gas and food. 2 hours up there! An Astronomy Team To Take Care Of All Your Astronomical COLLINS ARMSTRONG Needs RITTER SABINE Clayton 713-569-7529 + TRANQUILITY PAGE 2 LIKE ME, HAVE YOU FORGOTTEN ABOUT THE VOYAGER 1 AND 2? HERE IS A REMINDER OF THE MISSION OVERVIEW The twin Voyager 1 and 2 spacecrafts are exploring where noth- ing from Earth has flown before. Continuing on their more-than-37- year journey since their 1977 launches, they each are much farther away from Earth and the Sun than Pluto. In August 2012, Voyager 1 made the historic entry into interstellar space, the region between stars, filled with material ejected by the death of nearby stars millions of years ago. Scientists hope to learn more about this region when Voyager 2, in the "heliosheath" -- the outermost layer of the helio- sphere where the solar wind is slowed by the pressure of interstellar medium -- also reaches interstellar space. Both spacecraft are still sending scientific information about their surroundings through the Deep Space Network, or DSN. The primary mission was the exploration of Jupiter and Saturn. After making a string of discov- eries there -- such as active volcanoes on Jupiter's moon Io and intricacies of Saturn's rings -- the mis- sion was extended. Voyager 2 went on to explore Uranus and Neptune, and is still the only spacecraft to have visited those outer planets. The adventurers' current mission, the Voyager Interstellar Mission (VIM), will explore the outermost edge of the Sun's domain. And beyond. (FROM NASA—JPL) Seven Earth-like Planets Orbit Nearby Star Well I guess you all saw on the nightly news about the 7 planets found. Here is a little more detail on them. Seven Earth-sized planets have been discovered orbiting a star (TRAPPIST-1), just 40 lightyears away, three of which could host oceans of liquid water on their surfaces. As- tronomers made the discovery by looking for dips in the light emitted by TRAPPIST-1, as this can indicate the presence of an orbiting planet. These dips are known as ‘transits’ and studying them also enables astronomers to learn much about the planets’ composition, sizes and orbits. TRAPPIST-1 is just 8 per cent the mass of our Sun and appears very dim when viewed from Earth. The orbits of the seven planets are thought to be smaller than the orbits of Mercury, which is the closest planet to the Sun in our Solar System. Because TRAPPIST-1 is much smaller and cool- er than our own Sun, the close orbit of the planets puts them in the ‘habitable’ zone, meaning they are just the right temperature to potentially support life. Density measurements also revealed the six innermost planets could be rocky in composition. Planets e, f and g, are thought to orbit in the 'Goldilocks zone' and could host water, meaning there is the potential for life to exist. All this sounds like it is the most important discovery since the exoplanet project was started. The Sailboat Cluster Leo Minor The Sailboat Cluster looks a lot like a sailboat. The 13 or 14 stars that form this asterism are blue/white and have differ- ent magnitudes. It also contains the star 22 Leonis. In the mast there are 2 red colored stars visible. In binoculars the Sailboat stands upside down. 22 Leo Minoris is 6th mag., so easy in binoculars. The other stars are fainter, . 22 Leo Minoris but your binoculars should show down to 9th 22 LEO mag. Also, the asterism was brought to the MINORIS amateur community in the summer of 1988. (from Sky & Telescope Mag.) PAGE 3 Comet Campaign: Amateurs Wanted By Marcus Woo In a cosmic coincidence, three comets will soon be approaching Earth—and astronomers want you to help study them. This global campaign, which will begin at the end of January when the first comet is bright enough, will enlist amateur astronomers to help researchers continuously monitor how the comets change over time and, ultimately, learn what these ancient ice chunks reveal about the origins of the solar system. Over the last few years, spacecraft like NASA's Deep Impact/EPOXI or ESA's Rosetta (of which NASA played a part) discovered that comets are more dynamic than anyone realized. The missions found that dust and gas burst from a comet's nucleus every few days or weeks—fleeting phenomena that would have gone unnoticed if it were- n't for the constant and nearby observations.