Like fireflies in a mason jar, galaxies inside a huge cloud of gas make the dist...

Like fireflies in a mason jar, galaxies inside a huge cloud of gas make the distant object shine brightly, a new study says.


Why Giant Space Blob Is Glowing—Mystery Solved?
news.nationalgeographic.com
Often several times larger than our own Milky Way galaxy, Lyman-alpha blobs are some of the largest known objects in the universe. The blobs are also unusually bright, shining with the same intensity as the brightest known galaxies.

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