121.

Jupiter at solar conjunction Jupiter is unobservable as it passes around the far side of the Sun – marking the end of one apparition and the beginning of the next. Sun, 07 May 2000 at 23:57 EDT (8,820 days ago) in Aries

122.

η-Lyrid meteor shower 2000 The η-Lyrid meteor shower reaches its peak. Mon, 08 May 2000 (8,819 days ago) in Lyra

123.

Neptune enters retrograde motion Neptune reverses its direction of motion across the sky. Mon, 08 May 2000 at 07:05 EDT (8,819 days ago) in Capricornus

124.

Mercury at superior solar conjunction Mercury passes around the far side of the Sun. Mon, 08 May 2000 at 23:56 EDT (8,819 days ago) in Aries

125.

Close approach of the Moon and M44 The Moon and M44 pass close to each other. Tue, 09 May 2000 at 17:31 EDT (8,818 days ago) in Cancer

126.

Jupiter at apogee Jupiter reaches its furthest point from the Earth, as it passes around the far side of the Sun. Wed, 10 May 2000 at 03:40 EDT (8,817 days ago) in Aries

127.

Saturn at solar conjunction Saturn is unobservable as it passes around the far side of the Sun – marking the end of one apparition and the beginning of the next. Wed, 10 May 2000 at 15:35 EDT (8,817 days ago) in Aries

128.

Moon at First Quarter The Moon reaches first quarter phase – appearing high in the sky at sunset and setting in the west at around midnight. Wed, 10 May 2000 at 16:01 EDT (8,817 days ago) in Leo

129.

Mercury at perihelion Mercury passes its orbit's closest point to the Sun. Sat, 13 May 2000 at 13:52 EDT (8,814 days ago) in Taurus

130.

Full Moon The Moon reaches full phase and is visible for much of the night. Thu, 18 May 2000 at 03:34 EDT (8,809 days ago) in Libra

131.

Conjunction of Mercury and Mars Mercury and Mars share the same right ascension, at a separation of 1°06'. Fri, 19 May 2000 at 11:15 EDT (8,808 days ago) in Taurus

132.

The Moon at aphelion The Moon recedes to its orbit's furthest point from the Sun, which happens each month around the time of full moon. Sat, 20 May 2000 at 07:27 EDT (8,807 days ago) in Ophiuchus

133.

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. Sun, 21 May 2000 at 23:57 EDT (8,806 days ago) in Sagittarius

134.

Uranus enters retrograde motion Uranus reverses its direction of motion across the sky. Thu, 25 May 2000 at 04:19 EDT (8,802 days ago) in Capricornus

135.

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. Fri, 26 May 2000 at 07:55 EDT (8,801 days ago) in Aquarius

136.

Conjunction of Jupiter and Saturn Jupiter and Saturn share the same right ascension, at a separation of 1°11'. Wed, 31 May 2000 at 06:20 EDT (8,796 days ago) in Taurus

137.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 2°40'. Thu, 01 Jun 2000 at 00:24 EDT (8,795 days ago) in Taurus

138.

Conjunction of the Moon and Jupiter The Moon and Jupiter share the same right ascension, at a separation of 3°51'. Thu, 01 Jun 2000 at 00:33 EDT (8,795 days ago) in Taurus

139.

The Moon at perihelion The Moon passes its orbit's closest point to the Sun, which happens each month around the time of new moon. Thu, 01 Jun 2000 at 01:58 EDT (8,795 days ago) in Taurus

140.

134340 Pluto at opposition 134340 Pluto lies in the opposite direction to the Sun in the sky, making it optimally positioned to be observable for much of the night. Thu, 01 Jun 2000 at 17:58 EDT (8,795 days ago) in Ophiuchus