today in astronomy & space science
1979 - Voyager 2 makes its closest approach to Jupiter. The spacecraft passes within 570,000 km (350,000 miles) of Jupiter's cloud tops and then heads for Saturn. High resolution photos of Jupiter's moon Europa lead to the belief that the moon is completely covered with a deep water ocean capped with a surface ice layer less than 30 km (18 miles) thick
in the sky (local date & time)
Sun 9 Jul 4:30 PM: Mars (heliocentric longitude 162.1°) and Uranus (heliocentric longitude 342.1°) are at heliocentric opposition
Tue 11 Jul6:32 AM: Full Moon. July's full Moon is known in folklore as the Hay or Thunder Moon
Tue 11 Jul6:47 AM: Jupiter's Galiliean moon Ganymede disappears into eclipse by Jupiter's shadow
Thu 13 Jul8:30 AM: Neptune is 2.9° north-northwest of the Moon
Thu 13 Jul9:30 PM: The Moon is at perigee, subtending an angular size of 32' 48" from a distance of 364,289 km (226,359 miles)
Sat 15 Jul2:30 AM: Uranus is 0.38° north of the first magnitude star Antares, α (alpha) Scorpii. An occultation occurs in southeast Asia and the southern tip of South Africa
Sat 15 Jul11:57 PM: The Moon is at the ascending node (longitude 357.5°)
Mon 17 Jul10:42 PM: Last Quarter Moon
1979 - Voyager 2 makes its closest approach to Jupiter. The spacecraft passes within 570,000 km (350,000 miles) of Jupiter's cloud tops and then heads for Saturn. High resolution photos of Jupiter's moon Europa lead to the belief that the moon is completely covered with a deep water ocean capped with a surface ice layer less than 30 km (18 miles) thick
in the sky (local date & time)
Sun 9 Jul 4:30 PM: Mars (heliocentric longitude 162.1°) and Uranus (heliocentric longitude 342.1°) are at heliocentric opposition
Tue 11 Jul6:32 AM: Full Moon. July's full Moon is known in folklore as the Hay or Thunder Moon
Tue 11 Jul6:47 AM: Jupiter's Galiliean moon Ganymede disappears into eclipse by Jupiter's shadow
Thu 13 Jul8:30 AM: Neptune is 2.9° north-northwest of the Moon
Thu 13 Jul9:30 PM: The Moon is at perigee, subtending an angular size of 32' 48" from a distance of 364,289 km (226,359 miles)
Sat 15 Jul2:30 AM: Uranus is 0.38° north of the first magnitude star Antares, α (alpha) Scorpii. An occultation occurs in southeast Asia and the southern tip of South Africa
Sat 15 Jul11:57 PM: The Moon is at the ascending node (longitude 357.5°)
Mon 17 Jul10:42 PM: Last Quarter Moon
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