edwin hubble
-
‘An Exciting Challenge’: NASA Plans Rare Repair Spacewalk to Fix Busted Telescope
NASA is preparing to send astronauts on a spacewalk to repair a telescope mounted on the exterior of the International Space Station (ISS). The repair involves installing patches to eliminate unwanted sunlight leaking into the instrument. NICER (Neutron star Interior Composition Explorer), an X-ray telescope the size of a washing machine, launched to orbit in…
-
The Hubble Telescope Just Sized Up an Earth-Sized Exoplanet
The Hubble Space Telescope last week ogled an exoplanet passing in front of a star in a triple system, revealing the nearby world’s mass. The world is named LTT 1445Ac, and it was discovered in 2022 by NASA’s Transiting Exoplanet Survey Satellite (TESS). The world orbits a red dwarf star (one in a set of…
-
The Webb Space Telescope’s Best Images, One Year On
The Webb Space Telescope launched to space in December 2021 with an ambitious goal: providing scientists with a deeper, sharper view of the history of the universe. It took the telescope a month to arrive at its location in space, a region called L2 that sits one million miles from Earth, and another six months…
-
NASA Has a New Plan to Wake Up the Hubble Space Telescope
Hubble Space Telescope, with all but one of its science instruments currently in safe mode, could soon be back in business, as mission team members prepare to roll out a recovery plan.