81.

Mars at apogee Mars reaches its furthest point from the Earth, as it passes around the far side of the Sun. Sat, 05 Aug 2017 at 06:39 EDT (2,453 days ago) in Cancer

82.

Uranus enters retrograde motion Uranus reverses its direction of motion across the sky. Thu, 03 Aug 2017 at 01:08 EDT (2,455 days ago) in Pisces

83.

Mars at solar conjunction Mars 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 Jul 2017 at 20:30 EDT (2,463 days ago) in Cancer

84.

Neptune enters retrograde motion Neptune reverses its direction of motion across the sky. Fri, 16 Jun 2017 at 07:41 EDT (2,503 days ago) in Aquarius

85.

Saturn at opposition Saturn 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. Thu, 15 Jun 2017 at 06:09 EDT (2,504 days ago) in Ophiuchus

86.

Jupiter ends retrograde motion Jupiter returns to its usual eastward motion after opposition. Fri, 09 Jun 2017 at 10:12 EDT (2,510 days ago) in Virgo

87.

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. Fri, 14 Apr 2017 at 01:21 EDT (2,566 days ago) in Pisces

88.

Jupiter at perigee Jupiter reaches its closest point to the Earth – marking the best time to observe it in 1970. Sat, 08 Apr 2017 at 17:23 EDT (2,572 days ago) in Virgo

89.

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. Fri, 07 Apr 2017 at 17:31 EDT (2,573 days ago) in Virgo

90.

Saturn enters retrograde motion Saturn reverses its direction of motion across the sky. Thu, 06 Apr 2017 at 01:18 EDT (2,574 days ago) in Sagittarius

91.

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. Wed, 01 Mar 2017 at 21:35 EDT (2,610 days ago) in Aquarius

92.

Jupiter at aphelion Jupiter passes the furthest point along its orbit from the Sun. Thu, 16 Feb 2017 at 05:07 EDT (2,623 days ago) in Virgo

93.

Jupiter enters retrograde motion Jupiter reverses its direction of motion across the sky. Mon, 06 Feb 2017 at 01:42 EDT (2,633 days ago) in Virgo

94.

Uranus ends retrograde motion Uranus returns to its usual eastward motion after opposition. Thu, 29 Dec 2016 at 05:14 EDT (2,672 days ago) in Pisces

95.

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. Sat, 10 Dec 2016 at 06:41 EDT (2,691 days ago) in Ophiuchus

96.

Neptune ends retrograde motion Neptune returns to its usual eastward motion after opposition. Sat, 19 Nov 2016 at 23:51 EDT (2,711 days ago) in Aquarius

97.

Mars at perihelion Mars passes its orbit's closest point to the Sun. Sat, 29 Oct 2016 at 10:10 EDT (2,733 days ago) in Sagittarius

98.

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. Sat, 15 Oct 2016 at 06:35 EDT (2,747 days ago) in Pisces

99.

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. Mon, 26 Sep 2016 at 02:48 EDT (2,766 days ago) in Virgo

100.

Jupiter at apogee Jupiter reaches its furthest point from the Earth, as it passes around the far side of the Sun. Sun, 25 Sep 2016 at 03:31 EDT (2,767 days ago) in Virgo