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Mars and moon meet at midnight

Best insights – and best charts – anywhere online about Mars’ wonderful July 2018 opposition and meet-up with the moon on the dome of Earth’s sky.

See it! Mars is very bright now

It’s the brightest Mars has been in our sky since since 2003. Photos from the EarthSky community here.

Brightest Mars since 2003

Why is Mars so bright and red now in our sky? Here’s the answer.

How to watch meteors in moonlight

A bright moon will do its best to drown out the peak of the 2018 Delta Aquariid meteor shower this week. Here are some tips for enjoying meteors in moonlight.

Delta Aquariids peak on eclipse night, Mars night

There’s no moon-free window left for meteor-watching this week. Yet this shower – whose┬ánominal peak is July 27, same night as this century’s longest lunar eclipse and the brightest Mars since 2003 – might be a winner in 2018.

How to find Delta Aquariid radiant point

How to spot the radiant point for the Delta Aquariid meteor shower, going on now. Plus … why meteors in annual showers have radiant points.

Uranus, Neptune, Pluto: A longer view

Beloved astronomer Guy Ottewell announces his newest book.

See it! Last night’s moon and Venus

Photos from EarthSky friends around the world of Sunday evening’s spectacular moon and planet Venus, and Saturday’s moon and Mercury. Thanks to all who submitted or posted to our Facebook page! Miss then? Try again Monday.

How the moon’s orbit makes supermoons

An explanation of why extra-close perigees and extra-far apogees happen at new and full moons.

2018’s closest new supermoon on July 13

The closest new moon of 2018 – a supermoon – comes on July 13. You won’t see it, but Earth’s oceans will feel it. Then, 2 weeks later, we have the year’s farthest full moon.