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A reaction control system (RCS) is a spacecraft system that uses thrusters to provide attitude control and translation. Alternatively, reaction wheels...

Mars Surveyor '98 was a mission in NASA's Mars Exploration Program that launched the Mars Climate Orbiter and the Mars Polar Lander to the planet Mars...

Stonehouse is a comet, designated C/1998 H1, discovered by observer Patrick L. Stonehouse of Wolverine, Michigan, USA. With a maximal brightness of about...

The SETI Institute is a not-for-profit research organization incorporated in 1984 whose mission is to explore, understand, and explain the origin and nature...

In astrodynamics or celestial mechanics a parabolic trajectory is a Kepler orbit with the eccentricity equal to 1 and is an unbound orbit that is exactly...

The Dream is Alive is an American IMAX documentary film, released on June 1, 1985, about NASA's Space Shuttle program. The film was narrated by Walter...

Project Phoenix was a SETI project to search for extraterrestrial intelligence by analyzing patterns in radio signals. It was run by the independently...

The following is a chronology of discoveries concerning the magnetosphere. 1600 - William Gilbert in London suggests the Earth is a giant magnet. 1741...

Neutron star spin up is the name given to the increase in rotational speed over time first noted in Cen X-3 and Her X-1 but now observed in other X-ray...

Bengt Georg Daniel Strömgren (21 January 1908 – 4 July 1987) was a Danish astronomer and astrophysicist. Bengt Strömgren was born in Gothenburg. His parents...

Wilhelm Wolff Beer (4 January 1797 – 27 March 1850) was a banker and astronomer from Berlin, Prussia, and the brother of Giacomo Meyerbeer. Beer's fame...

The International Latitude Service was created by the International Geodetic Association in 1899 to study variations in latitude caused by polar motion...

The J-I was a Solid-fuel rocket expendable launch vehicle developed by the National Space Development Agency of Japan and the Institute of Space and Astronautical...

In optics and photography, infinity focus is the state where a lens or other optical system forms an image of an object an infinite distance away. This...

Joseph Brown (December 3, 1733 – December 3, 1785) was an early American industrialist, architect, astronomer, and professor at Brown University. Brown...

The 22-metre Mopra Radio Telescope, located near Coonabarabran, New South Wales, is part of the Australia Telescope National Facility, operated by CSIRO...

Pansharpening is a process of merging high-resolution panchromatic and lower resolution multispectral imagery to create a single high-resolution color...

Friedrich Simon Archenhold (2 October 1861 in Lichtenau, Kingdom of Prussia – 14 October 1939 in Berlin) was an astronomer who founded the Treptow Observatory...

George Washington Hough[pronunciation?] (October 24, 1836 – January 1, 1909) was an American astronomer. George Washington Hough was born in Tribes Hill...

La Alameda Park is a park in Quito. This park is shaped like a triangle bounded by the streets Gran Colombia, Sodiro and 10 de Agosto. It is the oldest...