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December 16 – The Beethoven Burst (GRB 991216) is one of the most powerful detected Gamma-ray bursts. NASA loses two Mars probes, the Mars Climate Orbiter and the Mars Polar Lander. The Subaru 8.3 m and Gemini North 8.1 m reflecting telescopes open at the Mauna Kea Observatory in Hawaii. The Cetus Dwarf galaxy is discovered.
[1] [2] The 2005 NASA Authorization Act designated the American segment of the International Space Station as a national laboratory with the goal of increasing the use of the ISS by other federal agencies and the private sector. [3] Research on the ISS improves knowledge about the effects of long-term space exposure on the human body.
1924: Edwin Hubble: the discovery that the Milky Way is just one of many galaxies; 1925: Erwin Schrödinger: Schrödinger equation (Quantum mechanics) 1925: Cecilia Payne-Gaposchkin: Discovery of the composition of the Sun and that hydrogen is the most abundant element in the Universe; 1927: Werner Heisenberg: Uncertainty principle (Quantum ...
First space walk/extra-vehicular activity (Alexei Leonov). USSR Voskhod 2: March 1965: First crewed spacecraft to change orbit. USA (NASA) Gemini 3: 14 July 1965: First flyby of Mars (returned pictures). USA (NASA) Mariner 4 [17] 14 July 1965: First photographs of another planet from deep space . USA (NASA) Mariner 4 [17] 15 December 1965
New images from the Euclid space telescope are published, including a view of the Messier 78 star nursery. [304] Astronomers using TESS report the discovery of Gliese 12 b, a Venus-sized exoplanet located 40 light-years away, with an equilibrium temperature of 315 K (42 °C; 107 °F). This makes it the nearest, transiting, temperate, Earth ...
The Hubble Space Telescope (HST) is a space telescope that was carried into orbit by a Space Shuttle in April 1990. It is named after American astronomer Edwin Hubble . Although not the first space telescope, Hubble is one of the largest and most versatile, and is well known as both a vital research tool and a public relations boon for astronomy .
5 December – Researchers at the California Academy of Sciences report the discovery of 71 new plant and animal species, which includes 17 fish, 15 geckos, 8 flower plants, 6 sea slugs, 5 arachnids, 4 eels, 3 ants, 3 skinks, 2 skates, 2 wasps, 2 mosses, 2 corals and 2 lizards.
List of space telescopes; New Frontiers program; Out of the Cradle – 1984 book about scientific speculation on future missions. Space Race; Timeline of artificial satellites and space probes; Timeline of discovery of Solar System planets and their moons; Timeline of first orbital launches by country; Timeline of space exploration