News tagged with stars

The strange case of the missing dwarf

The new SPHERE instrument on ESO's Very Large Telescope has been used to search for a brown dwarf expected to be orbiting the unusual double star V471 Tauri. SPHERE has given astronomers the best look so ...

Feb 18, 2015
4.7 / 5 (14) 3

Half of all exoplanet host stars are binaries

(Phys.org) —Imagine living on an exoplanet with two suns. One, you orbit and the other is a very bright, nearby neighbor looming large in your sky. With this "second sun" in the sky, nightfall might be ...

Sep 04, 2014
4.6 / 5 (14) 1

Magnetic fields on solar-type stars

The Sun rotates slowly, about once every 24 days at its equator although the hot gas at every latitude rotates at a slightly different rate. Rotation helps to drive the mechanisms that power stellar magnetic ...

Dec 12, 2014
4.4 / 5 (14) 15

Image: Hubble captures the Egg Nebula

This colourful image shows a cosmic lighthouse known as the Egg Nebula, which lies around 3000 light-years from Earth. The image, taken with the NASA/ESA Hubble Space Telescope, has captured a brief but dramatic ...

Nov 24, 2014
4.9 / 5 (12) 1

This star cluster is not what it seems

This new image from the VLT Survey Telescope in northern Chile shows a vast collection of stars, the globular cluster Messier 54. This cluster looks similar to many others but it has a secret. Messier 54 ...

Sep 10, 2014
4.1 / 5 (14) 0