161.

Asteroid 4 Vesta at opposition Asteroid 4 Vesta makes closest approach to the Earth. Fri, 02 May 2025 at 07:58 EDT (381 days ago) in Libra

162.

Conjunction of the Moon and Mars The Moon and Mars share the same right ascension, at a separation of 2°04'. Sat, 03 May 2025 at 19:12 EDT (380 days ago) in Cancer

163.

Close approach of the Moon and Mars The Moon and Mars pass close to each other. Sat, 03 May 2025 at 20:26 EDT (380 days ago) in Cancer

164.

Conjunction of Venus and Neptune Venus and Neptune share the same right ascension, at a separation of 2°03'. Sat, 03 May 2025 at 22:50 EDT (380 days ago) in Pisces

165.

Moon at First Quarter The Moon reaches first quarter phase – appearing high in the sky at sunset and remaining visible until around midnight. Sun, 04 May 2025 at 09:52 EDT (379 days ago) in Cancer

166.

Close approach of Mars and M44 Mars and M44 pass close to each other. Mon, 05 May 2025 at 09:44 EDT (378 days ago) in Cancer

167.

η-Aquariid meteor shower 2025 The η-Aquariid meteor shower reaches its peak. Mon, 05 May 2025 (377 days ago) in Aquarius

168.

Equinox on Saturn Saturn's seasons are changing, making its rings appear edge-on from the Earth. Tue, 06 May 2025 at 02:09 EDT (377 days ago) in Pisces

169.

η-Lyrid meteor shower 2025 The η-Lyrid meteor shower reaches its peak. Thu, 08 May 2025 (375 days ago) in Lyra

170.

Asteroid 9 Metis at opposition Asteroid 9 Metis makes closest approach to the Earth. Fri, 09 May 2025 at 03:10 EDT (374 days ago) in Libra

171.

Conjunction of Mercury and Eris Mercury and Eris share the same right ascension, at a separation of 8°39'. Fri, 09 May 2025 at 09:31 EDT (374 days ago) in Cetus

172.

Lunar occultation of Spica The Moon will pass in front of Spica (Alpha Virginis), creating a lunar occultation visible from parts of Oceania, Chile, Antarctica, Baker Island, Howland Island and Tokelau. Sat, 10 May 2025 at 04:06 EDT (373 days ago) in Virgo

173.

Conjunction of Neptune and Ceres Neptune and Ceres share the same right ascension, at a separation of 8°22'. Sat, 10 May 2025 at 12:11 EDT (373 days ago) in Cetus

174.

The Moon at apogee The Moon recedes to its orbit's furthest point from the Earth, making it appear fractionally smaller than at other times of the month. Sat, 10 May 2025 at 20:46 EDT (373 days ago) in Virgo

175.

Messier 5 is well placed The globular cluster M5 (NGC 5904; mag 5.7) in Serpens culminates at around midnight local time. Sun, 11 May 2025 (372 days ago) in Serpens Caput

176.

Full Moon The Moon reaches full phase and is visible for much of the night. Mon, 12 May 2025 at 12:55 EDT (371 days ago) in Libra

177.

Lunar occultation of Antares The Moon will pass in front of Antares (Alpha Scorpii), creating a lunar occultation visible from countries and territories including Argentina, Chile, Uruguay and Antarctica amongst others. Wed, 14 May 2025 at 00:44 EDT (369 days ago) in Scorpius

178.

The Moon at aphelion The Moon passes its furthest point from the Sun, a monthly occurrence around the time of full moon. Wed, 14 May 2025 at 14:59 EDT (369 days ago) in Ophiuchus

179.

Uranus at solar conjunction Uranus is unobservable as it passes around the far side of the Sun – marking the end of one apparition and the beginning of the next. Sat, 17 May 2025 at 19:23 EDT (366 days ago) in Taurus

180.

Moon at Last Quarter The Moon reaches last quarter phase – rising in the east at around midnight and appearing high in the sky by sunrise. Tue, 20 May 2025 at 07:59 EDT (363 days ago) in Aquarius