Technology

Merging Stars Produce Glowing Blue Ring Nebula

Sixteen years ago, a team of astronomers working for NASA’s now-defunct Galaxy Evolution Explorer mission, known as GALEX, spotted a star with an unusual ultraviolet ring around it in images obtained by the space telescope. The object, which was unlike anything the astronomers had seen before, was nicknamed the Blue Ring Nebula because of its […]

Technology

Merging Stars Produce Glowing Blue Ring Nebula

Sixteen years ago, a team of astronomers working for NASA’s now-defunct Galaxy Evolution Explorer mission, known as GALEX, spotted a star with an unusual ultraviolet ring around it in images obtained by the space telescope. The object, which was unlike anything the astronomers had seen before, was nicknamed the Blue Ring Nebula because of its […]

Technology

Massive stars get kicked out of clusters

The largest stars in the universe tend to be loners, and new research points to the reason why. Although massive stars are born in clusters of many smaller brethren, they quickly get kicked out, forced to spend their lives alone. Massive star cluster called Westerlund 1. Image Credit: ESA/Hubble & NASA Stars tend to come […]