-
The center of the Universe
-
Albert Einstein introduces special Theory of Relativity in paper Electrodynamics of Moving Bodies.
-
Oort shows the center of the Milky Way galaxy is in Sagittarius.
-
Clyde Tombaugh discovers Pluto.
-
First radio telescope built by Grote Reber.
-
The VLT has obtained the first-ever image of a planet outside our Solar System. The 5-Jupiter-mass planet orbits a failed star — a brown dwarf — at a distance of 55 times the mean Earth-Sun distance.
-
Carolyn and Gene Shoemaker and David Levy discovered a comet orbiting Jupiter. About a year later, the Shoemaker-Levy 9 struck Jupiter, generating awareness about the possibility of cosmic objects colliding with Earth.
-
Several of ESO's flagship telescopes were used in a 16-year long study to obtain the most detailed view ever of the surroundings of the monster lurking at the heart of our galaxy — a supermassive black hole.
-
After almost 35 years of traveling, scientists reported this year that NASA's Voyager 1 spacecraft reached interstellar space.
-
Two independent research teams, based on observations of exploding stars, including those from ESO's telescopes at La Silla and Paranal, have shown that the expansion of the Universe is accelerating. The 2011 Nobel Prize in Physics was awarded for this result.
-
ameteor exploded over Russia's Chelyabinsk region, detonating about 930 miles (1,500 kilometers) east of Moscow.
-
ALMA, the Atacama Large Millimeter/submillimeter Array, revealed remarkable details of a solar system that is forming. The images of HL Tauri were the sharpest ever made at submillimetre wavelengths. They show how forming planets are vacuuming up dust and gas in a protoplanetary disc.