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Up in the sky -- it's a bird, it's a plane... no, it's a spider and a SuperMoon! Well, not quite. This composite image by Brian who is called Brian on Flickr was actually taken last night, on September 7, 2014, but it's an awesome lead-in for our usual request for astrophotos of the Harvest…
The Milky Way is our home. An island of stars in a universe of other galaxies. But you might be surprised to learn that astronomers have only known the Milky Way’s true nature for just a century. Let’s learn the history of discoveries about the Milky Way, and what today’s science tells us. And let’s peer into the future to learn the ultimate fate of our galaxy. Click here to download the episode
Galactic Chimneys Turn Up the Heat (NASA, Chandra, 03/06/06) | This X-ray/optical composite image of the large spiral galaxy NGC 2841 shows multimillion degree gas (blue/X-ray) rising above the disk of stars and cooler gas (gray/optical).