Search results

The space program of the People's Republic of China is about the activities in outer space conducted and directed by the People's Republic of China. The...

38°56′30″N 77°03′49″W / 38.94167°N 77.06361°W / 38.94167; -77.06361 Intelsat S.A. (formerly Intel-Sat, Intelsat) is a multinational satellite services...

A space force is a military branch of a nation's armed forces that conducts military operations in outer space and space warfare. The world's first space...

Eridanus is a constellation which stretches along the southern celestial hemisphere. It is represented as a river. One of the 48 constellations listed...

This article contains special characters. Without proper rendering support, you may see question marks, boxes, or other symbols. Astronomical symbols are...

The year 2022 witnessed the number of launches of SpaceX's Falcon rocket family (61 launches) surpassing the CNSA's Long March rocket family (53 launches)...

Groombridge 34 is a binary star system in the northern constellation of Andromeda. It was listed as entry number 34 in A Catalogue of Circumpolar Stars...

In spacecraft propulsion, a Hall-effect thruster (HET) is a type of ion thruster in which the propellant is accelerated by an electric field. Hall-effect...

This article outlines notable events occurring in 1995 in spaceflight, including major launches and EVAs. As the third mission of the US/Russian Shuttle-Mir...

Spaceflight in 2025 promises to follow the 2020s trend of record breaking orbital launches and increased developments in lunar, Mars and low-earth orbit...

Winnecke 4 (also known as Messier 40 or WNC 4) is an optical double star consisting of two unrelated stars in a northerly zone of the sky, Ursa Major....

Archimedes is a liquid-fuel rocket engine burning liquid oxygen and liquid methane in an oxidizer-rich staged combustion cycle. It is designed by aerospace...

(163899) 2003 SD220 is a sub-kilometer asteroid and tumbling slow rotator, classified as near-Earth object and potentially hazardous asteroid of the Aten...

2MASS J00361617+1821104 (abbreviated to 2MASS 0036+1821) is a brown dwarf, located in 28.6 light-years from Earth in the constellation Pisces. It was discovered...

Pierre Bouguer (French: [buˈge]) (16 February 1698, Le Croisic – 15 August 1758, Paris) was a French mathematician, geophysicist, geodesist, and astronomer...

George Eric Deacon Alcock, MBE (28 August 1912, in Peterborough, Northamptonshire – 15 December 2000) was an English amateur astronomer. He was one of...

Gordon Hemenway Pettengill (February 10, 1926 – May 8, 2021) was an American radio astronomer and planetary physicist. He was one of the first to take...

George B. Field (October 25, 1929 – July 31, 2024) was an American astrophysicist, Harvard University professor and founder director of the Harvard–Smithsonian...

Stuttgart Observatory (German: Sternwarte Stuttgart; 025) is an astronomical observatory owned and operated by the association Schwäbische Sternwarte e...

Violette Impellizzeri (born 14 August 1977) is an Italian astronomer and astrophysicist specializing in active galactic nuclei and the molecular clouds...