03 April 2018
Astronomers unexpectedly find the most distant star ever discovered
... normal and Hubble just happened to be poking around in the same galaxy looking for something else. The space telescope had originally been set up to observe a gravitationally lensed supernova explosion nicknamed “Refsdal” in the galaxy cluster MACS...
30 November 2018
All of the starlight ever produced calculated by scientists
... background light (EBL) by NASA's Fermi Gamma-ray Space Telescope; a feat that has never been done before, said...location of 739 blazars used in the Fermi Gamma-ray Space Telescope’s measurement of the extragalactic background light (EBL). The ...
20 March 2019
Webb telescope partly blamed for WFIRST funding cut
... it has been a challenge for me, as your NASA administrator, to go up to [Capitol] Hill and talk about the James Webb Space Telescope,” said the agency’s top official, Jim Bridenstine, in a speech March 11. “Some of you might have seen those...
01 September 2017
TRAPPIST-1 planets could contain substantial amounts of water
...once it is broken up, the very light hydrogen atoms can escape the exoplanets’ atmosphere. Instruments such as the Space Telescope Imaging Spectrograph (STIS) onboard Hubble can then be used to detect the departing hydrogen. The amount of ultraviolet...
03 July 2019
New study reveals detailed exoplanet atmosphere
... of light as Gliese 3470 b passes in front of its star (transit) and then behind it (eclipse). All totalled, the space telescopes observed 12 transit events and 20 eclipses - enough to distinguish what chemical compounds were rife on the planet. "For...
07 April 2021
Astronomers find a rare pair of double quasars in the early Universe
... team completed with the help of several space and ground-based telescopes, because despite their enormous size and energy... down to two pairs with the help of the Hubble Space Telescope. Finally, the team used the the Gemini Multi-Object Spectrograph...