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 ...

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 ...

Add articles to your saved list and come back to them any time. 'How far away is it?" This is usually the first question that people ask when looking at a star through one of the Sydney Observatory's ...

A new AI-driven light-field technique breaks long-standing limits in autostereoscopic displays, bringing wide-angle, ...

This is a classic example of parallax (although this is fake parallax). You can create another example of parallax yourself. Hold you thumb out straight in front of your face at arms length. Now close ...

Exit strategy Artist’s impression of New Horizons as it flew past Pluto in 2015. (Courtesy: Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute) NASA’s New Horizons ...