Jeffers Foundation



June, 2018

Next month Mars reaches opposition, when it rises opposite the Sun in the sky. At this point, it will be at its closest approach to Earth this year (35.8 million miles). As Mars and Earth both have elliptical orbits, the proximity changes. If opposition happens when the Earth is far from the Sun (called aphelion, which happens in July) and Mars is close to the Sun (called perihelion), the size of the planet's disk is noticeably larger. For this opposition, Mars will be 11 million miles closer than during the last one, in 2016. Make sure to get a peek at the Red Planet.

Morning Sky

Mars rises near midnight at the beginning of the month, with a visit by the Moon on June 3 and again on June 30. By that time, Mars is rising at 11 pm. Saturn will spend almost all month as a morning star, until its opposition on June 27. This will be the best time of year to view Saturn.

Evening Sky

Throughout the month, Venus is climbing higher in the west at sunset. Jupiter starts its evening in the southeast at the beginning of the month, and in the south by month's end. The Moon will join Venus on June 15, and again on June 16, then pass Jupiter on June 23. Mercury continues its climb out of the Sun's glare and almost makes it, by month's end. On June 27 Saturn joins the evening sky and is also joined by the Moon, passing within one degree.

Sun Declination


2nd, Moon apogee (251,852 miles) - 11:34 am

6th, Last Quarter Moon - 1:32 pm

13th, New Moon Strawberry (Ojibwe) - 2:43 pm

14th, Moon perigee (223,385 miles) - 6:52 pm

20th, First Quarter Moon - 5:51 am

21st, June solstice; summer begins N Hemisphere - 5:07 am

27th, Full Moon - 11:53 pm

29th, Moon apogee (252,315 miles) - 9:43 pm

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