Quasars

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A Hubble Space Telescope Imaging Spectrograph (STIS) coronagraph image of quasar 3C 273. It looks the same as the WFPC2 image, but in shades of blue. A black circle (labeled “core light blocked”) blocks the glare of the quasar. Blue-colored filamentary material is visible near the black hole. The extragalactic jet is still visible.

NASA’s Hubble Takes the Closest-Ever Look at a Quasar

4 min read

Astronomers have used the unique capabilities of NASA’s Hubble Space Telescope to peer closer than ever into the throat of…

Article1 week ago
Artist concept: Two merging galaxies have a light blue glow overlaid by brownish-gold clouds set against a black, deep-space field. Two quasars are closely spaced, white objects at the merger's center: one above and to the right of the other.

Hubble Unexpectedly Finds Double Quasar in Distant Universe

5 min read

The early universe was a rambunctious place where galaxies often bumped into each other and even merged together. Using NASA’s…

Article2 years ago

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