Two Planets (‹See Tfd›German: Auf zwei Planeten, lit. On Two Planets, 1897) is an influential science fiction novel postulating intelligent life on Mars...

A Dweller on Two Planets, or The Dividing of the Way is a book written by Frederick Spencer Oliver (1866–1899). The book was finished in 1886, typewritten...

total of 7 planets. The ancient Babylonians, Greeks, Persians, Romans, Medieval Christians, and others thought of the 7 Classical Planets as gods and...

detection of planets near the star; thus, 85% of the exoplanets detected are inside the tidal locking zone. In several cases, multiple planets have been...

described as planets, in 2006 the International Astronomical Union (IAU) reclassified Pluto and its largest neighbours as dwarf planets, leaving Neptune...

"Comprehensive wide-band magnitudes and albedos for the planets, with applications to exo-planets and Planet Nine". Icarus. 282: 19–33. arXiv:1609.05048. Bibcode:2017Icar...

A triple conjunction is an astronomical event when two planets or a planet and a star appear to meet each other three times during a brief period, either...

metals. Within the Solar System, the terrestrial planets accepted by the IAU are the inner planets closest to the Sun: Mercury, Venus, Earth and Mars...

least two confirmed planets, beyond the Solar System. This list includes systems with at least three confirmed planets or two confirmed planets where...

inferior planets as seen from Earth. However, this definition can be applied to any pair of planets, as seen from the one farther from the Sun. A planet (or...

planets are usually primarily composed of low-boiling point materials (volatiles), rather than rock or other solid matter, but massive solid planets can...

has eight planets by the most restrictive definition of the term: the terrestrial planets Mercury, Venus, Earth, and Mars, and the giant planets Jupiter...

that "planets and dwarf planets are two distinct classes of objects", meaning that dwarf planets, despite their name, would not be considered planets. On...

Exploration: Planets Beyond our Solar System. Retrieved 2024-01-30. Díaz, Rodrigo F.; et al. (2016). "The HARPS search for southern extra-solar planets". Astronomy...

"major planets" can be distinguished from other planetary-mass objects (PMOs), such as dwarf planets and sub-brown dwarfs. Nonetheless, certain planet types...

is one of four terrestrial planets in the Solar System, which means it is a rocky body like Earth. It is the smallest planet in the Solar System, with...

Solar System: classical planets, dwarf planets, and satellite planets. Dwarf planets were thus conceived of as a category of planet. In 2006, however, the...

systems with one or more planets constitute a planetary system, although such systems may also consist of bodies such as dwarf planets, asteroids, natural...

Indigenous people". In 1894, Frederick Spencer Oliver published A Dweller on Two Planets, an occult book which claimed that survivors from Lemuria were living...

Fictional planets of the Solar System have been depicted since the 1700s—often but not always corresponding to hypothetical planets that have at one point...

Earth-sized planets orbiting in the habitable zones of Sun-like stars and red dwarfs within the Milky Way. 11 billion of these estimated planets may be orbiting...

"Comprehensive wide-band magnitudes and albedos for the planets, with applications to exo-planets and Planet Nine". Icarus. 282: 19–33. arXiv:1609.05048. Bibcode:2017Icar...

of the conjunctions between naked-eye planets (i.e. excluding Uranus and Neptune). The spacing between the planets varies from conjunction to conjunction...

occurrences involving the same two planets is not constant because the orbits are not circular and because the planets perturb one another. But the average...

planetary mnemonic refers to a phrase created to remember the planets and dwarf planets of the Solar System, with the order of words corresponding to...

If either of two planets involved in a Conjunction is also under tension from one or more hard aspects with one or more other planets, then the added...

larger planets, the planets' mean distances from the Sun are respectively in the 3/2 ratio of their periods; so the distances of these minor planets of Jupiter...

000 °F). The Moon's relatively small iron core (compared to other rocky planets and moons in the Solar System) is explained by Theia's core mostly merging...

stars which seem still in contrast to the planets). Visible to humans on Earth there are seven classical planets (the seven luminaries). They are from brightest...

an orbital period (year) of 4.6 Earth years. Compared to other planets and dwarf planets, Ceres's orbit is moderately tilted relative to that of Earth;...