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Mira (/ˈmaɪrə/), designation Omicron Ceti (ο Ceti, abbreviated Omicron Cet, ο Cet), is a red-giant star estimated to be 200–300 light-years from the Sun...

Space launch market competition is the manifestation of market forces in the launch service provider business. In particular it is the trend of competitive...

Chang'e 1 ( /tʃæŋˈʌ/; simplified Chinese: 嫦娥一号; traditional Chinese: 嫦娥一號; pinyin: Cháng'é yī hào) was an uncrewed Chinese lunar-orbiting spacecraft, part...

SN 2014J was a type-Ia supernova in Messier 82 (the 'Cigar Galaxy', M82) discovered on 21 January 2014. It was the closest type-Ia supernova discovered...

Abell 1413 is a massive and rich type I galaxy cluster straddling the border between the constellations Leo and Coma Berenices, with the projected comoving...

The Qingyang event was a presumed meteor shower or air burst that took place near Qingyang in March or April 1490. The area was at the time part of Shaanxi...

Naoko Yamazaki (山崎 直子, Yamazaki Naoko, born December 27, 1970) is a Japanese engineer and former astronaut at JAXA. She was the second Japanese woman to...

166 Rhodope is a dark background asteroid from the central region of the asteroid belt, approximately 55 kilometers in diameter. It was discovered on 15...

18117 Jonhodge (provisional designation 2000 NY23) is a bright background asteroid from the inner regions of the asteroid belt, approximately 3 kilometers...

Messier is a relatively young lunar impact crater located on the Mare Fecunditatis. The crater has a discernible oblong shape that is not caused by foreshortening...

Personal Egress Air Packs, or PEAPs, were devices on board a Space Shuttle that provided crew members with about six minutes[citation needed] of breathable...

CLARREO (Climate Absolute Radiance and Refractivity Observatory) is a high-priority NASA decadal survey mission, originally selected as such by the National...

Howard Alan Smith is a senior astrophysicist at the Center for Astrophysics | Harvard & Smithsonian, and is the former chair of the astronomy department...