Cosmology, Science Why are gravity and quantum mechanics incompatible with each other? Why can’t they be combined into a single formula or concept?
Cosmology Could the mass of all the black holes and planetary bodies be a significant portion of the missing dark matter in the universe?
Exoplanets, Planets, Solar System Could the Viking lander’s ‘Wolf Trap’ experiment have found life on Mars?
Astrophotography, Telescopes and Equipment How do astronomers know how long to make an exposure of any given object?
