galactic clusters – Astronomy Now

20 July 2019

Latest News

[ 15 July 2019 ] Asteroid with shortest year spotted News
[ 14 July 2019 ] India seeks to join exclusive company with ambitious moon mission News
[ 14 July 2019 ] Russia launches international X-ray astronomy mission News
[ 11 July 2019 ] Japanese spacecraft snags second sample from asteroid News
[ 5 July 2019 ] Hayabusa 2 cleared for second touchdown on asteroid News

Hubble captures extremely remote galaxy cluster

16 April 2018 William Harwood

The Hubble Space Telescope’s Advanced Camera for Surveys and Wide Field Camera 3 captured an image of a massive galaxy cluster some six billion light years from Earth, part of a program to find targets for the James Webb Space Telescope.

Jupiter’s moons, black holes, exoplanets among JWST’s first scientific targets

4 December 2017 Stephen Clark

The James Webb Space Telescope should start returning its first scientific results by the end of 2019, and scientists recently announced a slate of observations selected to whet the appetites of astronomers who will use the multibillion-dollar facility well into the 2020s.