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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
The timeline of discovery of Solar System planets and their natural satellites charts the progress of the discovery of new bodies over history. Each object is listed in chronological order of its discovery (multiple dates occur when the moments of imaging, observation, and publication differ), identified through its various designations (including temporary and permanent schemes), and the ...
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
The month of February brought some unbelievably exciting discoveries in the study of space, and with it even more out of this world images. Most notably, scientists detected a "chirp" from ...
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 ...
An international team of astronomers is calling this one a 'game changer.'
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 ...
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.