Saturday, March 25, 2017

EarthSky News - March 25 - The Dippers

March 25
The Dippers
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Come to know the Big and Little Dippers
The Big Dipper is easy. And, once you find it, you can find the Little Dipper, too. Plus … learn how the stars of the Big Dipper are moving in space.
Tonight … Use Big Dipper to locate Hunting Dogs
If you can find the Big Dipper, you can also find two Hunting Dogs seen by the ancient stargazers to be nipping at the Bear's heels.

Colors of scintillating Venus

This planet reaches inferior conjunction today, officially leaving the evening sky. Learn how Earth's atmosphere has caused Venus to scintillate, or twinkle, in many colors.  
Star of the week : Acrux
You have far south on Earth's globe to see the Southern Cross. Bluish Acrux, aka Alpha Crucis, is its brightest star.

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Colors of scintillating Venus

Planets usually shine steadily. But Venus has been low in evening twilight, where Earth's atmosphere has caused it to scintillate, or twinkle. Photo from last night by Helio C. Vital.
Tonight … Use Big Dipper to locate Hunting Dogs
If you can find the Big Dipper, you can also find 2 Hunting Dogs - aka Canes Venatici - seen by the ancient stargazers to be nipping at the Bear's heels.
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