Dec 28 - Dogs Are Smarter

December 28 Dogs Are Smarter by:

Sorry cat-lovers: New study says dogs are smarter The study - from a self-confessed dog lover - counted cells in animals' brains associated with thinking, planning and complex behavior. Giant filament points to Milky Way black hole A recently discovered filament - 2.3 light-years long - points toward Sagittarius A*, the supermassive black hole at our galaxy's heart. Tonight … Bellatrix, in Orion, means Female Warrior You might know Rigel and Betelgeuse, Orion's brightest stars. Now meet 2 more stars in Orion, called Bellatrix and Saiph. Star of the week: Aldebaran Aldebaran - brightest star in Taurus the Bull - is huge! If it replaced our sun, its surface would extend almost to the orbit of Mercury.

Welcome 2018 with an EarthSky lunar calendar Our lunar calendar shows the moon phase for each day of the coming year. Also ... check out the new colors and designs of our EarthSky Cares Tees. A percentage of proceeds collected will be donated to select organizations.

Tonight … Bellatrix, in Orion, means Female Warrior The 4 stars Betelgeuse, Rigel, Bellatrix and Saiph form the familiar rectangle of Orion.

Bright meteors of 2017, over Tucson This compilation of images from Eliot Herman represents the best of more than 100,000 photos of meteors over Tucson, captured on 2017 nights. Submit your photo to EarthSky here!

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