Hubble

Hubble finds universe may be expanding faster than expected

This illustration shows the three steps astronomers used to measure the universe’s expansion rate to an unprecedented accuracy, reducing the total uncertainty to 2.4 percent. Astronomers made the measurements by streamlining and strengthening the construction of the cosmic distance ladder, which is used to measure accurate distances to galaxies near and far from Earth. Beginning …

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The Cosmic Butterfly Of Death

This is an image of the Twin Jet planetary nebula. NASA/ESA/Hubble/Judy Schmidt Two dying stars are in a dance of death in this spectacular image of the Twin Jet planetary nebula. The butterfly shape is created by the stellar ballet of the two sun-like stars at the end of their lives. The primary star of …

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