opposition Articles

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Jupiter Closest to Earth Today—Best Chance to See Moons Without Telescope

Jupiter is at its closest to Earth today! This is your best chance of the year to see the biggest...

Mars at Opposition 2018 | The Red Planet’s Close Approach

We’re about to see one of the truly great sky events of 2018. First, Mars’ best opposition in 15...

Jupiter at Opposition | Closest Approach to Earth

This is Jupiter month! On the night of May 8–9, the Giant Planet will be at its brightest for the...

Blue Moon Meets the Red Planet

The Blue Moon meets the Red Planet—just as it comes closest to Earth—on May 21, 2016. Get ready for...