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Clyde William Tombaugh (/ ˈ t ɒ m b aʊ /; February 4, 1906 – January 17, 1997) was an American astronomer.He discovered Pluto in 1930, the first object to be discovered in what would later be identified as the Kuiper belt.
Albert II, a rhesus monkey, became the first mammal in space aboard a U.S. V-2 rocket on June 14, 1949, and died on reentry due to a parachute failure. The first dogs in space were launched 22 July 1951 aboard a Soviet R-1V. "Tsygin" and "Dezik" reached a height of 100 km (62 mi) and safely parachuted back to Earth.
Edwin Powell Hubble (November 20, 1889 – September 28, 1953) [1] was an American astronomer. He played a crucial role in establishing the fields of extragalactic astronomy and observational cosmology.
From 1958 until her retirement in 1986, Johnson worked as an aerospace technologist, moving during her career to the Spacecraft Controls Branch. She calculated the trajectory for the May 5, 1961, space flight of Alan Shepard, the first American in space. [1] She also calculated the launch window for his 1961 Mercury mission. [27]
[13] [14] [15] On June 14, 1949, the US launched the first mammal into space, a rhesus macaque monkey named Albert II, on a sub-orbital flight, though Albert II died when the parachute failed. [16] On July 22, 1951, the Soviets launched the Soviet space dogs, Dezik and Tsygan, who were the first dogs in space and the first to safely return. [17]
The head of Roscosmos, Yuri Borisov, signed off on the timetable with the directors of 19 enterprises involved in creating the new station. The agency confirmed plans to launch an initial ...
1998 – The first complete Einstein ring, B1938+666, discovered using the Hubble Space Telescope and MERLIN. [227] [228] 1998-99 – Scientists discover that the expansion of the Universe is accelerating. [229] [230] 1999 – Alessandra Buonanno and Thibault Damour introduce the effective one-body formalism. [231]
Steve Hsu, founder of AI startup SuperFocus, shares the three reasons he plans to switch to DeepSeek from closed-source models like OpenAI. A-Z Animals Articles 1 day ago 5 deep-sea creatures that ...