A dense object about 40,000 light years away is heavier than any neutron star seen before, but lighter than any black hole, leaving astronomers unsure what they are looking at
The American Astronomical Society (AAS) met in New Orleans this week, attended by thousands of astronomers and reporters, and NASA volunteers were in the spotlight. Wow! Big congratulations to everyone involved!
This NASA/ESA Hubble Space Telescope image features Arp 122, a peculiar galaxy that in fact comprises two galaxies – NGC 6040, the tilted, warped spiral galaxy and LEDA 59642, the round, face-on spiral – that are in the midst of a collision. This dramatic cosmic encounter is located at the very safe distance of roughly 570 million light-years from […]