The two images (above) that appeared in the news story “New star found near Sol” show the star’s proper motion, not its parallax. Proper motion is the apparent movement of a star across the sky year ...

No, but it was considered. The reason parallax measurements weren’t taken with Voyager or any other interplanetary spacecraft is simply that astronomers can do better from the ground or with dedicated ...

NASA's New Horizons deep-space probe has, for the first time, returned images to Earth that showed stellar parallax, or how the positions of stars shift when seen from two different places. This could ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Hurtling through interstellar space 4.3 billion miles from home ...

Queen guitarist (and astrophysicist) Brian May, a member of the New Horizons science team, uses his patented OWL viewer to check out the stereo images of Proxima Centauri that he created by combining ...

In Astronomy's 2022 list of the 20 greatest astronomers of all time, Associate Editor Michael Bakich ranked Tycho Brahe No. 2 ...

It isn't easy to measure the distance of stars. We can't travel to them, counting the miles as we go, nor can we simply say that brighter stars are closer and dimmer ones more distant. Instead, we ...

Try this experiment: extend your thumb at arm’s length and close one eye at a time. Your thumb will seem to ‘jump’ between two positions as you switch the eye that is closed. That jump is known as ...