Monday 21
1866: H. G. Wells born
1874: Gustav Holst born
1974: Mariner 10 flies by Mercury for second time
2003: Galileo mission ends
2018: HIBOU and OWL "hoppers" deployed to asteroid Ryugu
Tuesday 22
Mercury 0.3° north of Spica
Equinox 9:31 AM ET
1990: Pioneer 10 reaches 50 AU from Sun
2006: Hinode spacecraft launched
2014: MAVEN spacecraft enters orbit around Mars
Wednesday 23
First Qtr Moon 9:55 PM ET
1783: Caroline Herschel discovers NGC 253
1846: J. G. Galle discovers Neptune
1962: “The Jetsons” premieres
1977: Third glide test of space shuttle Enterprise
Thursday 24
1930: John Young born
1962: MOOSE astronaut rescue system proposed
1970: Luna 16 returns lunar soil samples
1999: IKONOS-1 launched
2014: Mars Orbiter Mission enters orbit around Mars
Friday 25
Jupiter 1.6° north of Moon
Saturn 2° north of Moon
1973: 59-day Skylab 3 mission ends
1992: Mars Observer launched
1997: STS-86 Atlantis launched
2008: Shenzhou 7 launched
2013: Soyuz TMA-10M launched carrying ISS Expedition 37/38 crew
2014: Soyuz TMA-14M launched carrying ISS Expedition 41/42 crew
Saturday 26
Sunday 27
Yom Kippur begins at sunset
1814: Daniel Kirkwood born
2007: Dawn spacecraft launched
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