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- This is a list of minor-planet discoverers credited by the Minor Planet Center with the discovery of one or several minor planets (such as near-Earth and...348 KB (587 words) - 00:14, 25 July 2024
- The expansion of the universe is the increase in distance between gravitationally unbound parts of the observable universe with time. It is an intrinsic...53 KB (6,980 words) - 12:03, 19 July 2024
- A lunar phase or Moon phase is the apparent shape of the Moon's directly sunlit portion as viewed from the Earth (because the Moon is tidally locked with...25 KB (2,766 words) - 05:39, 30 June 2024
- The possibility of life on Mars is a subject of interest in astrobiology due to the planet's proximity and similarities to Earth. To date, no proof of...205 KB (19,939 words) - 05:48, 25 July 2024
- A minute of arc, arcminute (arcmin), arc minute, or minute arc, denoted by the symbol ′, is a unit of angular measurement equal to 1/60 of one degree...27 KB (3,338 words) - 06:41, 9 July 2024
- Space colonization is the use of outer space for colonization, such as permanent habitation, exploitation or territorial claims. Extraterrestrial colonization is...170 KB (18,691 words) - 11:39, 23 July 2024
- A star system or stellar system is a small number of stars that orbit each other, bound by gravitational attraction. A large group of stars bound by gravitation...41 KB (4,555 words) - 03:05, 17 July 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) - 19:16, 20 June 2024
- Makemake (minor-planet designation: 136472 Makemake) is a dwarf planet and the second-largest of what is known as the classical population of Kuiper belt...53 KB (4,661 words) - 10:27, 18 July 2024
- Van Allen radiation belt is a zone of energetic charged particles, most of which originate from the solar wind, that are captured by and held around a...38 KB (4,485 words) - 20:07, 19 June 2024
- Heliocentrism (also known as the heliocentric model) is a superseded astronomical model in which the Earth and planets revolve around the Sun at the center...100 KB (11,867 words) - 15:49, 21 July 2024
- Interstellar travel is the hypothetical travel of spacecraft from one star system, solitary star, or planetary system to another. Interstellar travel is...97 KB (10,318 words) - 18:28, 22 June 2024
- A refracting telescope (also called a refractor) is a type of optical telescope that uses a lens as its objective to form an image (also referred to a...34 KB (3,681 words) - 17:16, 6 July 2024
- A space elevator, also referred to as a space bridge, star ladder, and orbital lift, is a proposed type of planet-to-space transportation system, often...88 KB (10,307 words) - 10:24, 25 June 2024
- This article includes a list of the most massive known objects of the Solar System and partial lists of smaller objects by observed mean radius. These...251 KB (10,709 words) - 05:33, 18 July 2024
- Animals in space originally served to test the survivability of spaceflight, before human spaceflights were attempted. Later, many species were flown to...52 KB (5,610 words) - 03:54, 12 July 2024
- Astronomy is the oldest of the natural sciences, dating back to antiquity, with its origins in the religious, mythological, cosmological, calendrical,...81 KB (10,060 words) - 23:29, 18 June 2024
- Falcon 9 Full Thrust (also known as Falcon 9 v1.2) is a partially reusable, two-stage-to-orbit, medium-lift launch vehicle designed and manufactured in...61 KB (4,697 words) - 12:25, 22 July 2024
- Hercules is a constellation named after Hercules, the Roman mythological hero adapted from the Greek hero Heracles. Hercules was one of the 48 constellations...37 KB (3,938 words) - 12:41, 29 June 2024
- C/2013 A1 (Siding Spring) is an Oort cloud comet discovered on 3 January 2013 by Robert H. McNaught at Siding Spring Observatory using the 0.5-meter (20 in)...39 KB (3,236 words) - 00:12, 26 January 2024