81.

Mars at perigee Mars reaches its closest point to the Earth – marking the best time to observe it in 1970. Mon, 30 May 2016 at 17:29 EDT (2,897 days ago) in Libra

82.

Mars at opposition Mars lies in the opposite direction to the Sun in the sky, making it closer, brighter and larger than at other times. It is also optimally positioned to be observable for much of the night. Sun, 22 May 2016 at 07:10 EDT (2,905 days ago) in Scorpius

83.

Jupiter ends retrograde motion Jupiter returns to its usual eastward motion after opposition. Mon, 09 May 2016 at 08:26 EDT (2,918 days ago) in Leo

84.

Mars enters retrograde motion Mars reverses its direction of motion across the sky. Sun, 17 Apr 2016 at 08:17 EDT (2,940 days ago) in Ophiuchus

85.

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, 09 Apr 2016 at 17:17 EDT (2,948 days ago) in Pisces

86.

Saturn enters retrograde motion Saturn reverses its direction of motion across the sky. Fri, 25 Mar 2016 at 06:29 EDT (2,963 days ago) in Ophiuchus

87.

Jupiter at perigee Jupiter reaches its closest point to the Earth – marking the best time to observe it in 1970. Tue, 08 Mar 2016 at 13:11 EDT (2,980 days ago) in Leo

88.

Jupiter at opposition Jupiter lies in the opposite direction to the Sun in the sky, making it slightly closer, brighter and larger than at other times. It is also optimally positioned to be observable for much of the night. Tue, 08 Mar 2016 at 05:49 EDT (2,980 days ago) in Leo

89.

Neptune at solar conjunction Neptune 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, 28 Feb 2016 at 10:38 EDT (2,989 days ago) in Aquarius

90.

Jupiter enters retrograde motion Jupiter reverses its direction of motion across the sky. Thu, 07 Jan 2016 at 23:26 EDT (3,040 days ago) in Leo

91.

Uranus ends retrograde motion Uranus returns to its usual eastward motion after opposition. Fri, 25 Dec 2015 at 23:48 EDT (3,053 days ago) in Pisces

92.

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. Sun, 29 Nov 2015 at 19:06 EDT (3,080 days ago) in Scorpius

93.

Mars at aphelion Mars passes the furthest point along its orbit from the Sun. Fri, 20 Nov 2015 at 16:43 EDT (3,089 days ago) in Virgo

94.

Neptune ends retrograde motion Neptune returns to its usual eastward motion after opposition. Wed, 18 Nov 2015 at 11:28 EDT (3,091 days ago) in Aquarius

95.

Uranus at opposition Uranus lies in the opposite direction to the Sun in the sky, making it optimally positioned to be observable for much of the night. Sun, 11 Oct 2015 at 23:41 EDT (3,129 days ago) in Pisces

96.

Neptune at opposition Neptune lies in the opposite direction to the Sun in the sky, making it optimally positioned to be observable for much of the night. Mon, 31 Aug 2015 at 23:29 EDT (3,170 days ago) in Aquarius

97.

Jupiter at apogee Jupiter reaches its furthest point from the Earth, as it passes around the far side of the Sun. Wed, 26 Aug 2015 at 20:08 EDT (3,175 days ago) in Leo

98.

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. Wed, 26 Aug 2015 at 17:51 EDT (3,175 days ago) in Leo

99.

Saturn ends retrograde motion Saturn returns to its usual eastward motion after opposition. Sun, 02 Aug 2015 at 01:37 EDT (3,199 days ago) in Libra

100.

Uranus enters retrograde motion Uranus reverses its direction of motion across the sky. Sun, 26 Jul 2015 at 06:20 EDT (3,206 days ago) in Pisces