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Planet V is a hypothetical fifth terrestrial planet posited by NASA scientists John Chambers and Jack J. Lissauer to have once existed between Mars and the asteroid belt.In their hypothesis the Late Heavy Bombardment of the Hadean era began after perturbations from the other terrestrial planets caused Planet V's orbit to cross into the asteroid belt.
It is a gas giant with a mass more than 2.5 times that of all the other planets in the Solar System combined and slightly less than one-thousandth the mass of the Sun. Its diameter is eleven times that of Earth , and a tenth that of the Sun. Jupiter orbits the Sun at a distance of 5.20 AU (778.5 Gm ), with an orbital period of 11.86 years .
A hypothetical former fifth planet that has since been destroyed has been referenced in fiction since at least the late 1800s. [7] [8] In science fiction, the planet is often called "Bodia" after Johann Elert Bode. [8] [9] By the pulp era of science fiction, Bodia was a recurring theme.
[5] Lunar Trailblazer: January 2025 Lunar orbiter, a secondary payload on the IM-2 mission [6] EscaPADE: Spring 2025 Two Mars orbiters [7] Tianwen-2: May 2025 Asteroid 469219 Kamoʻoalewa sample return, comet 311P/PanSTARRS orbiter [8] Artemis II: April 2026 4-person lunar flyby [9] [10] Martian Moons eXploration: 2026 Martian moon sample ...
Google has partnered with NASA on a new experience allowing users to view planets and instruments in 3D. A visual experience on Arts & Culture lets users dive into and learn about the solar system.
NASA's Juno spacecraft captured this view of Jupiter during the mission's 54th close flyby of the giant planet Sept. 7, 2023.
13.5 miles (2015, temporary) The Solar System, to scale, for a school yard PDF for printing 1:11,945,400,000 11.6 cm 0.1 cm 12.5 m 492 m PDFs, A4 and 8½″×11″, to be printed, affixed to cards which are affixed to sticks; then to be held by children standing in a school yard. Includes major moons and asteroids. Naas Virtual Solar System
Reyk (talk · contribs) Asteroids, small moons, history of the solar system, and anything that's not well understood; RSStockdale (talk · contribs) all; Ruslik0 (talk · contribs) Outer planets and satellites. Serendipodous (talk · contribs) Now focusing on the solar system featured topic, though Definition of planet has become an issue yet ...