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This led him to estimate that Earth was about 75,000 years old. ... USGS preface on the Age of the Earth; NASA exposition on the age of Martian meteorites;
Earth is the third planet from the Sun ... The earliest direct evidence of life on Earth is contained in 3.45 billion-year-old ... a NASA astronaut, observing Earth ...
Schematic of NASA Earth Science Division operating satellite missions as of February 2015. NASA Earth Science is a large, umbrella program comprising a range of terrestrial and space-based collection systems in order to better understand the Earth system and its response to natural and human-caused changes.
In January 2020, NASA awarded Axiom Space a contract to build a commercial module for the ISS. The contract is under the NextSTEP2 program. NASA negotiated with Axiom on a firm fixed-price contract basis to build and deliver the module, which will attach to the forward port of the space station's Harmony (Node 2) module. Although NASA has only ...
First full-disk "true color" [41] picture of the Earth; [42] subsequently used on the cover of the first Whole Earth Catalog. [43] [42] December 21, 1968. Apollo 8. First full-disk image of Earth from space taken by a person, probably by astronaut William Anders. [44] December 24, 1968.
Time in space. 9d 19h 54m [2] Missions. STS-95. Mission insignia. John Herschel Glenn Jr. (July 18, 1921 – December 8, 2016) was an American Marine Corps aviator, astronaut, businessman, and politician. He was the third American in space, and the first American to orbit the Earth, circling it three times in 1962. [3]
Ham (chimpanzee) Ham (July 1957 – January 19, 1983), a chimpanzee also known as Ham the Chimp and Ham the Astrochimp, was the first great ape launched into space. On January 31, 1961, Ham flew a suborbital flight on the Mercury-Redstone 2 mission, part of the U.S. space program's Project Mercury. [1] [2]
In physical cosmology, the age of the universe is the time elapsed since the Big Bang.Astronomers have derived two different measurements of the age of the universe: a measurement based on direct observations of an early state of the universe, which indicate an age of 13.787 ± 0.020 billion years as interpreted with the Lambda-CDM concordance model as of 2021; and a measurement based on the ...