Witness how astronomers utilized the Hubble Space Telescope and the phenomenon of gravitational microlensing to precisely measure the mass of the white dwarf star LAWD 37. The observation confirmed its mass to be 56% that of our Sun.
Credit: NASA, ESA, P. McGill (Univ. of California, Santa Cruz and University of Cambridge), K. Sahu (STScI), J. Depasquale (STScI), N. Bartmann (ESA/Webb) / K. Bacon (STScI) | edited by Space.com's Steve Spaleta
