| | Close-up of a part of the globular cluster NGC 6752. Look closely - left side of image - and you'll see a previously unknown dwarf galaxy in the background. Image via SpaceTelescope.org. | | |
Astronomers find a new, nearby galaxy | | Astronomers studying a globular star cluster accidentally discovered a more-distant galaxy behind it. The little galaxy is 30 million light-years away and is nicknamed Bedin 1. The videos in this post let you go there. | | |
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How Titan cooked its atmosphere | | Saturn's largest moon Titan has a thick nitrogen atmosphere - unique among all the moons in the solar system. A new study suggests the atmosphere originated from organics being "cooked" in Titan's interior. Read more. Saturn's large moon Titan, with Mimas, another moon of Saturn, in the foreground, as seen by the Cassini spacecraft in 2013. Titan’s atmosphere is thick and hazy, and mostly nitrogen, like Earth’s. Where did the nitrogen come from? Image via NASA/JPL-Caltech/Space Science Institute. | | |
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