Tonight

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May 25, 2012 Tonight

Moon lines up with stars Castor and Pollux evening May 25

As soon as darkness falls on May 25, 2012, look westward to see tonight’s moon lining up – or nearly lining up – with Castor and Pollux in Gemini.

Photo Credit: Missouri Skies
May 24, 2012 Moon Phases 35 Comments

Understanding waxing crescent moon

When you see the moon as a slim crescent – in the west after sunset – it’s a waxing moon. Is that Earth’s shadow on the moon? No, it’s the moon’s own shadow.

Photo Credit: Dan Bush
May 24, 2012 Moon Phases 33 Comments

Understanding moon phases

Why does the moon seem to change its shape every night? Remember that the moon is a world in space – with a day side and a night side.

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May 24, 2012 Tonight 18 Comments

Waxing crescent moon near Castor and Pollux on May 24

See the Twin stars in the constellation Gemini near tonight’s moon. Preview the June 4 eclipse. Remember to look for Venus.

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May 23, 2012 Tonight 11 Comments

Moon still in vicinity of Venus after sunset May 23

The moon still shines in the vicinity of Venus after sunset this Wednesday evening, May 23, 2012.

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May 22, 2012 Tonight 12 Comments

Last time in 2012: Moon and Venus very close evening May 22

On May 22, 2012, for North America and most of the world, the moon swings closest to the planet Venus for this month.

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May 21, 2012 Tonight Leave a comment

See one of the sky’s most distant stars, Deneb

Look for the star Deneb tonight! At well over 1,000 light-years away, it’s one of the most distant stars we can see with the eye alone.

Image credit:  sancho_panza
May 20, 2012 Tonight 39 Comments

Annular eclipse of the sun – China to Texas – on May 20 or May 21

Everything you need to know – whether you’re in Earth’s eastern or western hemisphere – about the May 20 or 21 annular eclipse of the sun.

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May 20, 2012 Tonight 15 Comments

Partial phases of May 20-21 solar eclipse will be cool, too

There is an annular eclipse of the sun today for some lucky viewers – a partial eclipse for the rest of us. Who, what, when, where in this post.

Image Credit: Arun Pg

When is the next lunar eclipse?

Australia, Asia and the Americas will see a partial eclipse of the moon on June 4, 2012. Eclipse times and more in this post.