MAY/JUNE 2019 MAY/JUNE Starmap 601 Light Street • Baltimore’S Inner Harbor Inner Baltimore’S • Street Light 601 DAVIS PLANETARIUM DAVIS DAVIS PLANETARIUM

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ECLIPTIC:

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MAY/JUNE 2019 MAY/JUNE Starmap 601 Light Street • Baltimore’s Inner Harbor Inner Baltimore’s • Street Light 601 DAVIS PLANETARIUM DAVIS DAVIS PLANETARIUM

CELESTIAL HIGHLIGHTS StarmapMAY/JUNE 2019 Planet Oppositions and Conjunctions with Sun – The astronomical term opposition describes when an object appears opposite the sun in the sky as seen from Earth. Planets at IN THE MAY/JUNE SKY opposition are visible all night. Jupiter goes into opposition June May 2 June 1 10. In contrast, conjunction means that two objects appear in Moon near Venus (morning) Moon near Venus (morning) the same place in the sky as seen from Earth. Mercury is in conjunction with the Sun on May 21. Planets in conjunction with May 4 June 3 the sun are not visible. New Moon New Moon Planet and Moon Pairings - The word “planet” means May 5 June 4 wanderer in Greek, because throughout the year you can Eta Aquarid meteor shower Moon near Mercury see them move across the background of stars each night, (morning) June 5 this also included the Moon. As the planets wander in the Moon near Mars sky they sometimes look to be close to each other from our May 6 perspective on Earth. In May, The Moon joins up with Venus Moon near Aldebaran June 9 on May 2, Jupiter on May 20 and Saturn on May 23 all in the May 7 First quarter Moon morning sky before sunrise. On May 7 the Moon is near Mars Moon near Mars June 10 in the early evening. In June, the Moon joins Mercury on June Jupiter in opposition 4, Mars on June 5, and Jupiter on June 16. For a special treat May 11 look for Mercury and Mars very close to each other on June 18 First quarter Moon (See Celestial Highlights) in the western part of the sky. Mercury would be the brighter May 18 June 16 of the two and Saturn will be toward the east later in the night Full Moon Moon near Jupiter partnered with the Moon. May 20 June 17 Summer Solstice, June 21 – marks the beginning of summer for Moon near Jupiter (morning) Full Moon the Northern Hemisphere with the longest hours of daylight, and the shortest night as the North Pole is tilted towards the Sun. May 21 June 18 Superior conjunction Mercury near Mars (See Celestial Highlights) The bi-monthly STARMAP is available on the web at of Mercury https://www.mdsci.org/learn/resources/starmaps/ (See Celestial Highlights) Moon near Saturn May 23 June 21 CROSBY RAMSEY MEMORIAL OBSERVATORY Moon near Saturn (morning) Summer Solstice—official INFO 410-545-2999 start of summer! Free public observing nights are held Friday evenings May 26 (See Celestial Highlights) from 7:00-10:30pm. Please call after 5:00pm on Friday for Last quarter Moon observing conditions. June 23 Mercury at greatest elongation June 25 Last quarter Moon June 30 Moon near Aldebaran (morning)

MERCURY VENUS MARS JUPITER SATURN When: When: When: When: When: Not visible, May Morning sky Early evening Morning sky, May After midnight, May Evening sky, June Where: Where: Late night to dawn, June Late night to dawn, June Where: East West-Northwest Where: Where: West, June Constellation: Constellation: Southeast to Southwest Southeast to Southwest Constellation: Pisces, Aries, Taurus Taurus, Gemini Constellation: Constellation: Pisces, Aries, Taurus, Ophiuchus Sagittarius Gemini, Cancer