21.

Uranus ends retrograde motion Uranus returns to its usual eastward motion after opposition. Thu, 29 Dec 2016 at 05:14 EDT (2,686 days ago) in Pisces

22.

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 (2,705 days ago) in Ophiuchus

23.

Neptune ends retrograde motion Neptune returns to its usual eastward motion after opposition. Sat, 19 Nov 2016 at 23:51 EDT (2,725 days ago) in Aquarius

24.

Mars at perihelion Mars passes its orbit's closest point to the Sun. Sat, 29 Oct 2016 at 10:10 EDT (2,747 days ago) in Sagittarius

25.

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 (2,761 days ago) in Pisces

26.

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 (2,780 days ago) in Virgo

27.

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 (2,781 days ago) in Virgo

28.

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. Fri, 02 Sep 2016 at 12:29 EDT (2,804 days ago) in Aquarius

29.

Saturn ends retrograde motion Saturn returns to its usual eastward motion after opposition. Sat, 13 Aug 2016 at 05:59 EDT (2,824 days ago) in Ophiuchus

30.

Uranus enters retrograde motion Uranus reverses its direction of motion across the sky. Fri, 29 Jul 2016 at 16:25 EDT (2,839 days ago) in Pisces

31.

Mars ends retrograde motion Mars returns to its usual eastward motion after opposition. Wed, 29 Jun 2016 at 19:39 EDT (2,869 days ago) in Libra

32.

Neptune enters retrograde motion Neptune reverses its direction of motion across the sky. Mon, 13 Jun 2016 at 17:26 EDT (2,885 days ago) in Aquarius

33.

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. Fri, 03 Jun 2016 at 02:29 EDT (2,895 days ago) in Ophiuchus

34.

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 (2,899 days ago) in Libra

35.

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 (2,907 days ago) in Scorpius

36.

Jupiter ends retrograde motion Jupiter returns to its usual eastward motion after opposition. Mon, 09 May 2016 at 08:26 EDT (2,920 days ago) in Leo

37.

Mars enters retrograde motion Mars reverses its direction of motion across the sky. Sun, 17 Apr 2016 at 08:17 EDT (2,942 days ago) in Ophiuchus

38.

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 (2,950 days ago) in Pisces

39.

Saturn enters retrograde motion Saturn reverses its direction of motion across the sky. Fri, 25 Mar 2016 at 06:29 EDT (2,965 days ago) in Ophiuchus

40.

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 (2,982 days ago) in Leo