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Astronomy

  • NORTHERN LIGHTS TRIP!

    Join us in Alaska to see the aurora borealis from March 17 to 22, 2015. A once-in-a-lifetime trip and an incredibly memorable gift. See itinerary!!

    NORTHERN LIGHTS TRIP

Rise & Set

Today's Sun

Sunrise

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Sunset

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Today's Moon Phase

Moonrise

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Moonset

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Moon Question of the Day

Why is there a crecent Moon cutout in outhouse doors? More

Moon Folklore of the Day

It is unlucky to see “the old Moon in the arms of the new” or the faint image of the full disk wh... More

Eclipse Dates


See which eclipses will be visible across North America. See 2014 and 2015 Eclipse Dates.

Winter Solstice

Seasons for 2011When is the start of winter? See solstice dates.

Sky Watch


Each month, we highlight what's happening in the skies—including bright planets, conjunctions, and meteor showers. Read Sky Watch.

Sky Maps (Star Chart)

Sky Map
Get free, printable Sky Maps (Star Charts) to find your way around the night sky.
View Sky Maps for this month.

Meteor Showers

Meteor Shower GuideCatch a star! See meteor showers dates for 2014 —plus viewing tips.

Tide Predictor

Tide Predictor With the Tide Predictions Calculator, find high and low beach tides for any location in the U.S. and Canada for any date.


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Forums

Astronomy Forum

Find like-minded people and friendly discussion. Click on the links below to read recent topics and to post comments.

See more posts in the: Astronomy Forum