Mira A ejects seven Earth masses, forming a heart-shaped cloud 300 light-years away

Just in time for Valentine's Day, space offers a heart-shaped greeting. The star Mira A, about 300 light-years from Earth, has released material into an expanding cloud of gas and dust resembling a heart. Both the amount of material and the speed at which the star ejected it were unexpected.

Originally published at Phys.org