star comet

What’s Up for December 2016?

What’s Up for December? Mars and Neptune above the crescent moon and a New Year’s Eve comet!

2016 ends with fireworks as three planets line up as if ejected from a Roman candle. Mercury, Venus and Mars are visible above the sunset horizon all month long. 

As Venus climbs higher in the sky, it looks brighter and larger than it appeared last month.

On New Year’s Eve, Mars and Neptune appear very close to each other. Through telescopes, rusty red Mars and blue-green Neptune‘s colors contrast beautifully.

There are two meteor showers this month – the Geminds and the Ursids. The best time to see the reliable Geminids will be next year, when the full moon won’t be so bright and interfering. This year, however, we may luck out and see some of the brighter meteors on the evening of the 13th and the morning of the 14th.

The best time to view the Ursids, radiating from Ursa Minor, or the little Dipper, will be from midnight on the 21st until about 1 a.m. on the 22nd, before the
moon rises. They may be active on the 23rd and 24th, too.

We haven’t had a good easy-to-see comet in quite a while, but beginning in December and through most of 2017 we will have several binocular and telescopic comets to view.

The first we’ll be able to see is Comet 45P/Honda-Mrkos-Pajdušáková, which will appear low on the western horizon on December 15th. On that date, the comet will pass the pretty globular cluster M75. 

By the 21st, it will appear edge-on, sporting a bluish-green head and a thin, sharp view of the fan-shaped tail.

On New Years Eve, the comet and the crescent moon will rendezvous to say farewell to 2016. A “periodic” comet is a previously-identified comet that’s on a return visit. Periodic comet 45P returns to the inner solar system every 5.25 years, and that’s the one that will help us ring in the new year.

Watch the full What’s Up for December video: 

Make sure to follow us on Tumblr for your regular dose of space: http://nasa.tumblr.com

2

Darned if I knew
that i’d find you
in the last place I thought you would be
What could I do
‘till I saw you
waiting for me
And if I catch your eye
it feels like I could fly
Out from my lonely world into yours ~~~🎵🎵🎵
Are you waiting for me?

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