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 ...

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 spacecraft, which yielded the first close-up photos of Pluto, has managed to snap photos of an "alien sky" more than 4.3 billion miles from Earth. The craft took images of nearby ...

A NASA parallax experiment involving New Horizons shows the probe now sees some stars in slightly different positions than we do on Earth, revealing just how far the spacecraft is from home. You can ...

On December 3, humanity suddenly had information at its fingertips that people have wanted for, well, forever: the precise distances to the stars. “You type in the name of a star or its position, and ...

If you’re lost somewhere on the earth, you can use GPS or public landmarks to find your way back. Navigation in the vastness of space isn’t so easy, however — especially if you’re on a spacecraft ...

THE Observatory of Yale College has acquired a deservedly high reputation for the zeal with which the staff has prosecuted the inquiry into stellar parallax and the standard of accuracy consistently ...

THE determination of stellar parallaxes by photography has shown a striking improvement in recent years, and the results obtained with the Yerkes refractor are of the highest order of excellence. Two ...