Quick Look: Chandra Rewinds Story of Great Eruption of the 1840s

A new movie lets you watch a star’s explosion that began almost two centuries ago. Eta Carinae is a double-star system located about 7,500 light-years from Earth. Data from NASA’s Chandra X-ray Observatory show this explosion change over time. This information lets astronomers ‘rewind’ the explosion to learn more about it. More at: