Twilight observations with the US Department of Energy-fabricated Dark Energy Camera at Cerro Tololo Inter-American Observatory in Chile, a Program of NSF's NOIRLab, have enabled astronomers to spot three near-Earth asteroids (NEA) hiding in the glare of the Sun. These NEAs are part of an elusive population that lurks inside the orbits of Earth and Venus. One of the asteroids is the largest object that is potentially hazardous to Earth to be discovered in the last eight years.
NASA’s Hubble Space Telescope confirmed the largest ice comet nucleus ever seen by astronomers. It has a mass of 500 trillion tonnes. Its mass is estimated to be a hundred thousand times that of a typical “comet found much closer to the Sun.” The comet’s estimated diameter is 80 miles across. It is greater than […]
\
\
\
\
