Have you ever wondered how astronomers measure the distance to other objects in the universe? How do they make claims that this nebula is 1,500 light years distance or that galaxy is 2.5 million light ...

Forbes contributors publish independent expert analyses and insights. The Universe is out there, waiting for you to discover it. When you look at an object that's very distant from you, how well can ...

In the 10-plus year history of the starwatch column, I’ve rattled off distances to many stars and galaxies. The distances are so far that the miles are too cumbersome to express. Light years do a ...

n nearly nine years of writing this column, I’ve rattled off distances to many stars and galaxies. The distances are so great that miles are too cumbersome to express them. Light-years do a better job ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Hurtling through interstellar space 4.3 billion miles from home ...

When iOS 7 arrives this fall, there will be plenty of new features coming our way. From a completely reimagined (if somewhat controversial) look to a new paradigm of user experience, it seems that ...

In the nearly 20 years that I’ve enjoyed sharing my love of astronomy with you, I’ve rattled off many, many distances to many stars and galaxies. If we tried to express the distances in miles the ...