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- Europa Clipper (previously known as Europa Multiple Flyby Mission) is a space probe in development by NASA. Planned for launch on 10 October 2024, the...111 KB (9,605 words) - 10:32, 3 October 2024
- Stellar parallax is the apparent shift of position (parallax) of any nearby star (or other object) against the background of distant stars. By extension...22 KB (2,777 words) - 09:57, 27 August 2024
- Gravitational collapse is the contraction of an astronomical object due to the influence of its own gravity, which tends to draw matter inward toward the...13 KB (1,611 words) - 17:08, 8 August 2024
- The planet Neptune was mathematically predicted before it was directly observed. With a prediction by Urbain Le Verrier, telescopic observations confirming...43 KB (5,228 words) - 15:48, 23 September 2024
- In astronomy, cataclysmic variable stars (CVs) are stars which irregularly increase in brightness by a large factor, then drop back down to a quiescent...11 KB (994 words) - 20:06, 19 July 2024
- Of the 270 Apollo 11 Moon rocks and the Apollo 17 Moon Rocks that were given to the nations of the world by the Nixon Administration, approximately 180...63 KB (7,566 words) - 14:34, 27 September 2024
- A hybrid-propellant rocket is a rocket with a rocket motor that uses rocket propellants in two different phases: one solid and the other either gas or...56 KB (6,945 words) - 19:12, 26 September 2024
- The Mercury 13 were thirteen American women who took part in a privately funded research program run by NASA physician William Randolph Lovelace II in...41 KB (4,773 words) - 02:25, 11 September 2024
- Ōizumi Observatory (obs. code: 411) is a private astronomical observatory in Ōizumi, Gunma Prefecture, Japan. Takao Kobayashi has made discoveries of numerous...1 KB (87 words) - 02:09, 12 December 2020
- W49B (also known as SNR G043.3-00.2 or 3C 398) is a nebula in Westerhout 49 (W49). The nebula is a supernova remnant, probably from a type Ib or Ic supernova...6 KB (713 words) - 16:46, 21 March 2024
- The M–sigma (or M–σ) relation is an empirical correlation between the stellar velocity dispersion σ of a galaxy bulge and the mass M of the supermassive...13 KB (1,605 words) - 18:24, 20 June 2024
- HD 49878 (M Camelopardalis) is a single star in the northern circumpolar constellation of Camelopardalis. It has an orange hue and is faintly visible to...7 KB (549 words) - 03:41, 23 August 2024
- Trumpler 27-1 is a red supergiant star that is a member of the massive, possible open cluster Trumpler-27, where a blue giant star, a yellow supergiant...5 KB (461 words) - 15:20, 13 June 2024
- HD 53705/53706/53680 is a star system that lies approximately 54 light-years away in the constellation of Puppis. The system consists of four stars in...17 KB (1,631 words) - 20:30, 16 July 2024
- The International Standard Payload Rack (ISPR) is a steel framework container that is designed and been adopted by the International Space Station (ISS)...5 KB (541 words) - 17:02, 9 July 2024
- A liquid air cycle engine (LACE) is a type of spacecraft propulsion engine that attempts to increase its efficiency by gathering part of its oxidizer from...9 KB (1,241 words) - 23:44, 27 June 2024
- 95 Arethusa is a large main-belt asteroid. It was discovered by German astronomer Robert Luther on 23 November 1867, and named after one of the various...6 KB (322 words) - 12:20, 23 August 2024
- An asymptotically flat spacetime is a Lorentzian manifold in which, roughly speaking, the curvature vanishes at large distances from some region, so that...11 KB (1,497 words) - 13:55, 25 March 2023
- 134 Sophrosyne is a large main-belt asteroid that was discovered by German astronomer Robert Luther on 27 September 1873, and was named after the concept...5 KB (324 words) - 11:23, 2 August 2024
- BD+14 4559 b, named Pirx, is an exoplanet orbiting the K-type main sequence star BD+14 4559 about 161 light-years (49 parsecs, or nearly 1.5×1015 km) from...7 KB (660 words) - 06:04, 26 March 2024