Scientists have developed a novel method to calculate the distances to stars, and it could be useful in helping map the size of galaxies. The study is published in the Monthly Notices of the Royal ...

A cosmic bull’s-eye is helping astronomers pinpoint the distance to a neutron star. Concentric rings of X-rays bouncing off interstellar dust indicate that the stellar remnant is about 31,000 ...

Extra stellar systems are so far away from our own that we couldn’t even hope of developing a tape measure long enough to determine how far away they really are. On the other hand, astronomers can ...

distance scale, as well as to research the stellar life-cycle. relationship to distance. A 100-watt light bulb one mile away looks exactly as bright as a 25-watt light bulb half a mile away. So to ...