Phil Plait
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A couple of billion years ago the Milky Way had a little sibling. But then Andromeda ate it.
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I love observing the bright crater Aristarchus when the Moon is near full. But when you fly past it just over the lunar surface, the view is *considerably* better.
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I guess the hailstorm and hard rain yesterday made the animals a little excited. Tiny Elvis was getting a lot of sensory input from the smell of the ground which changed his usual stolid mood. #horse ift.tt/2KVghBV
Is Albireo, one of the most beautiful stellar pairs in the sky, a true binary star or a coincidental alignment? This has been a mystery for a long, long time, and now we finally have the answer!
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DAGNABBIT. The one Granny Smith apples we had. It got hellacious bruised, too. ift.tt/2nCaisr
Ye. GADS. Hail up to 3cm across. This was 10 minutes ago and it's still going. No tornadoes, happily. But still. Cripes. ift.tt/2B6ts3f
The cluster Omega Centauri is mighty and gorgeous, but is an incredibly hostile place for planets. VERY close stellar encounters rip planets away from their stars and fling them out into space!
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I got a Mini Museum! Pieces of meteorites, incredibly old rocks, and a brick from a bar where the Beatles sang. Yes, really. It's so cool I wrote about it in my BA Newsletter. The link is in my IG bio. ift.tt/2nx4ArQ
Over the weekend, NASA launched a mission to study the most dangerous star in the sky.
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Good morning! Check this out ... Mars (left), a Perseid meteor and the Milky Way from Joe Randall in Colorado. This morning is the shower's peak, but you might catch some meteors Tuesday morning, too.
More photos: bit.ly/2B3Cxdd
Retweeted by Phil Plait Worlds apart. A tree separates Venus and a very new Moon. ift.tt/2B5Nueb
Tonight is the peak of the Perseids meteor shower! I wrote a viewing guide in 2015 that’s still valid now; just replace the dates mentioned with tonight. :)
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Went out for a walk and saw these lovely anticrepuscular rays to the southeast at sunset. I think they're shadows cast by Longs Peak and Mount Meeker, the two tallest mountains in Rocky Mountain National Park. They're both about 4300 meters. ift.tt/2MDooES
I'm sitting in front of a camera talking about stars that explode, so here's a sunflower bush in my yard. The connection? The Sun can't explode. #segue #astronomy #FlowerFriday ift.tt/2nsTfsT
A gorgeous green vortex in the Bay of Finland is a harbinger for something darker coming.
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I look out the window to see Mars glowing distractingly bright even in my well-lit living room. ift.tt/2KHRxgf
At some point you have to question how much mustard you need. ift.tt/2vwCNfy
Sam decided to wear some of his breakfast this morning. #goat ift.tt/2OoNPu7
You’d think that we’d have known just how far away Polaris, the North Star, is.
Well, NOW we do.
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I love stories like these.