Health and Science > Astronomy > The Solar System > Phenomena, 2007

April

For terms in boldface, see Astronomical Terms.
Day Phenomenon Hour
1 Pluto appears to be motionless in the sky as it goes from direct motion to retrograde motion. 0000
1 Mercury is 1° 6' south of Uranus. 0700
2 FULL MOON 1700
3 The Moon is at apogee. 0900
6 Jupiter appears to be motionless in the sky as it goes from direct motion to retrograde motion. 0200
7 Antares, the brightest star in the constellation Scorpius, is 0° 6' north of the Moon. Occultation of Antares by the Moon. 1300
8 Jupiter is 6° south of the Moon. 0900
10 The asteroid Juno is at opposition. 0200
10 LAST QUARTER 1800
13 Neptune is 2° north of the Moon. 0000
14 Mars is 0° 5' south of the Moon. Occultation of Mars by the Moon. 0200
14 Uranus is 1° 0' south of the Moon. Occultation of Uranus by the Moon. 2000
16 Mercury is 5° south of the Moon. 1100
17 The Moon is at perigee. 0600
17 NEW MOON 1200
18 Vesta, the third-largest asteroid, appears to be motionless in the sky as it goes from direct motion to retrograde motion. 1800
20 Saturn appears to be motionless in the sky as it goes from retrograde motion to direct motion. 0100
20 Venus is 3° south of the Moon. 0800
21 Venus is 7° north of Aldebaran, the brightest star in the constellation Taurus. 1200
24 FIRST QUARTER 0700
25 Saturn is 1° 1' south of the Moon. Occultation of Saturn by the Moon. 1000
26 Regulus, the brightest star in the constellation Leo, is 1° 0' south of the Moon. Occultation of Regulus by the Moon. 0900
28 Mars is 1° 0' south of Uranus. 1900
30 The Moon is at apogee. 1100

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March Phenomena, 2007 May

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