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The Arecibo Observatory, also known as the National Astronomy and Ionosphere Center (NAIC) and formerly known as the Arecibo Ionosphere Observatory, is...

Animals in space originally served to test the survivability of spaceflight, before human spaceflights were attempted. Later, many species were flown to...

An annular solar eclipse occurred at the Moon's ascending node of orbit on Monday, December 24, 1973, with a magnitude of 0.9174. A solar eclipse occurs...

Docking and berthing of spacecraft is the joining of two space vehicles. This connection can be temporary, or partially permanent such as for space station...

The RATAN-600 (Russian: РАТАН-600 – радиоастрономический телескоп Академии наук – 600, an acronym for the "Academy of Sciences Radio Telescope – 600")...

In a traditional nuclear photonic rocket, an onboard nuclear reactor would generate such high temperatures that the blackbody radiation from the reactor...

Lunar escape systems (LESS) were a series of emergency vehicles designed for never-flown long-duration Apollo missions. Because these missions were more...

George David Low (February 19, 1956 – March 15, 2008) was an American aerospace executive and a NASA astronaut. With undergraduate degrees in physics and...

Charles Lacy Veach (September 18, 1944 – October 3, 1995) was a United States Air Force (USAF) fighter pilot and NASA astronaut. Veach was born September...

Atmospheric Reentry Experimental Spaceplane (ARES) is a robotic spaceplane concept. The project merged with the French Dassault Aviation VEHRA programme...

Alpha & Omega: The Search for the Beginning and End of the Universe is the second non-fiction book by Charles Seife, published by Viking, a division of...

The Guinness Book of Astronomy is a book (ISBN 0-85112-375-9) by the British astronomer Patrick Moore, first published in 1979, and running to seven editions...

The Ophiuchus Superbubble is an astronomical phenomenon located in the Ophiuchus constellation, with a center around ℓ ≈ 30 °. This giant superbubble was...

The Barbarian was a launch vehicle proposed by McDonnell Douglas in 1987 to lift heavy loads under the Strategic Defence Initiative. The Barbarian could...

Wonders of the Solar System is a 2010 book by the theoretical physicists Brian Cox and Andrew Cohen. The book is about the universe, cosmology as well...

Man and the Planets: The Resources of the Solar System is a book written by Duncan Lunan. Man and the Planets is a book published in 1983 which studies...

A spacecraft prefix is a combination of letters, usually abbreviations, used in front of the name of a spacecraft, and its purpose is often analogous to...

OTELO (OSIRIS Tunable Emission Line Object survey) is an emission line object survey using OSIRIS tunable filters in selected atmospheric windows relatively...