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Thursday, May 19, 2022
Home Called the eXtreme Deep Field, or XDF, image from NASA’s Hubble Space Telescope contains about 5,500 galaxies. Some span back 13.2 billion years in time — nearly to the Big Bang, and are the most distant galaxies ever seen. (NASA) Called the eXtreme Deep Field, or XDF, image from NASA's Hubble Space Telescope contains about 5,500 galaxies. Some span back 13.2 billion years in time -- nearly to the Big Bang, and are the most distant galaxies ever seen. (NASA)

Called the eXtreme Deep Field, or XDF, image from NASA’s Hubble Space Telescope contains about 5,500 galaxies. Some span back 13.2 billion years in time — nearly to the Big Bang, and are the most distant galaxies ever seen. (NASA)

Called the eXtreme Deep Field, or XDF, image from NASA's Hubble Space Telescope contains about 5,500 galaxies. Some span back 13.2 billion years in time -- nearly to the Big Bang, and are the most distant galaxies ever seen. (NASA)

Called the eXtreme Deep Field, or XDF, image from NASA’s Hubble Space Telescope contains about 5,500 galaxies. Some span back 13.2 billion years in time — nearly to the Big Bang, and are the most distant galaxies ever seen. (NASA)

This enormous mosaic of the Milky Way galaxy from NASA’s Wide-field Infrared Survey Explorer, or WISE, shows dozens of dense clouds, called nebulae. Many nebulae seen here are places where new stars are forming, creating bubble like structures that can be dozens to hundreds of light-years in size. (NASA)