NASA’s James Webb space telescope might be leading headlines, but other observations are still happening without the new spacecraft’s help. One such extraordinary observation was captured in an image by the National Science Foundations’ NOIRLabs. The lab released a new image of two galaxies merging, which teases the fate of the Milky Way.
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A new paper posted to the preprint database arXiv suggests at least four hostile alien civilizations could be hiding in the Milky Way right now. Further, the paper posits that some of these civilizations may be technologically advanced similarly to humans, and not yet capable of interstellar travel.
Astronomers have at last identified what’s believed to be the edge of the Milky Way galaxy. A team of astronomers from England used that farthest point to determine that the diameter of the Milky Way is 1.9 million light-years, plus or minus 0.4 million light-years. It’s a scientific breakthrough that holds the potential to unlock …
Considering we can’t actually see the Milky Way from the outside — since, you know, we’re in it — astronomers know a surprising amount about our home galaxy. They know its overall structure, where we are in it, and what likely lies deep in its heart (spoiler: it’s probably a supermassive black hole). Now, researchers …