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- The Orion Arm, also known as the Orion–Cygnus Arm, is a minor spiral arm within the Milky Way Galaxy spanning 3,500 light-years (1,100 parsecs) in width...16 KB (1,241 words) - 03:05, 29 July 2024
- Map all coordinates using OpenStreetMap Download coordinates as: KML GPX (all coordinates) GPX (primary coordinates) GPX (secondary coordinates) The Baikonur...48 KB (5,763 words) - 10:59, 14 August 2024
- The chronology of the universe describes the history and future of the universe according to Big Bang cosmology. Research published in 2015 estimates the...138 KB (13,925 words) - 20:02, 16 August 2024
- This is a list of astronauts by year of selection: people selected to train for a human spaceflight program to command, pilot, or serve as a crew member...112 KB (11,460 words) - 07:50, 14 August 2024
- The giant-impact hypothesis, sometimes called the Theia Impact, is an astrogeology hypothesis for the formation of the Moon first proposed in 1946 by Canadian...59 KB (6,828 words) - 17:06, 6 August 2024
- A multistage rocket or step rocket is a launch vehicle that uses two or more rocket stages, each of which contains its own engines and propellant. A tandem...41 KB (5,462 words) - 05:09, 4 August 2024
- In lunar calendars, a lunar month is the time between two successive syzygies of the same type: new moons or full moons. The precise definition varies...23 KB (2,962 words) - 13:24, 1 August 2024
- The Veil Nebula is a cloud of heated and ionized gas and dust in the constellation Cygnus. It constitutes the visible portions of the Cygnus Loop, a supernova...13 KB (1,319 words) - 01:51, 19 July 2024
- Hertzsprung–Russell diagram Spectral type O B A F G K M L T Brown dwarfs White dwarfs Red dwarfs Subdwarfs Main sequence ("dwarfs") Subgiants Giants Red...21 KB (2,494 words) - 21:28, 4 August 2024
- STS-128 (ISS assembly flight 17A) was a NASA Space Shuttle mission to the International Space Station (ISS) that launched on August 28, 2009. Space Shuttle...45 KB (4,069 words) - 23:10, 29 July 2024
- The Great Attractor is a region of gravitational attraction in intergalactic space and the apparent central gravitational point of the Laniakea Supercluster...12 KB (1,532 words) - 16:20, 31 July 2024
- The Vega program (Russian: Вега) was a series of Venus missions that also took advantage of the appearance of comet 1P/Halley in 1986. Vega 1 and Vega...12 KB (1,484 words) - 13:27, 15 May 2024
- National Aerospace Technology Administration (NATA; Korean: 국가항공우주기술총국) is the official space agency of North Korea, succeeding the Korean Committee of...15 KB (1,238 words) - 12:24, 15 July 2024
- Submillimetre astronomy or submillimeter astronomy (see spelling differences) is the branch of observational astronomy that is conducted at submillimetre...8 KB (856 words) - 01:16, 30 July 2024
- This list of exoplanets discovered in 2020 is a list of confirmed exoplanets that were first observed in 2020. For exoplanets detected only by radial velocity...179 KB (9,653 words) - 16:27, 23 July 2024
- Aristarchus is a lunar impact crater that lies in the northwest part of the Moon's near side. It is considered the brightest of the large formations on...19 KB (1,808 words) - 16:38, 3 August 2024
- An eccentric Jupiter is a Jovian planet that orbits its star in an eccentric orbit. Eccentric Jupiters may disqualify a planetary system from having Earth-like...12 KB (1,559 words) - 09:00, 18 May 2024
- Kepler Communications Inc. is an international satellite telecommunications company based in Toronto, Ontario, Canada, with presence in the UK and the...13 KB (1,138 words) - 14:19, 6 August 2024
- In rocketry, range safety or flight safety is ensured by monitoring the flight paths of missiles and launch vehicles, and enforcing strict guidelines for...43 KB (4,980 words) - 13:12, 9 June 2024
- Mercury-Atlas 4 (MA-4) was an uncrewed test flight within NASA's Project Mercury program, launched on September 13, 1961, at 14:04:16 UTC from Cape Canaveral...12 KB (1,159 words) - 09:12, 14 November 2023