NASASpaceFlight.com Scientists have only measured the masses of white dwarfs within binary star systems. With help from the joint NASA/European Space Agency (ESA) Hubble Space Telescope, a team of researchers directly measured the mass of an isolated white dwarf outside of a binary star system. ...

NASA releases first color image from James Webb Space Telescope Original Publication Date: 2022-07-11 23:44 The image shows a galaxy cluster called SMACS 0723 about 4.5 billion light-years away. The cluster acts as a gravitational lens, bringing into view far more distant galaxies. “We’re ...