Astronomers stunned as binary asteroid Didymos-Dimorphos brightens after DART space rock impact


Astronomers watched in awe as binary asteroid Didymos brightened up immediately after the impact of NASA’s DART spacecraft on Monday (Sept. 26).

Italian astronomer Gianluca Masi couldn’t contain his excitement at the sight as he shared the observations in a livestream via the Virtual Telescope project. A small, dim dot that marked the DidymosDimorphos binary asteroid, at that time some 7 million miles (11 million kilometers) from Earth, began rapidly brightening and within minutes outshined even the brightest of stars in that tiny section of the sky.


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