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Eccentric Jupiter – Jovian planet that orbits its star in an eccentric orbit; Hot Jupiter – Class of high-mass planets orbiting close to a star; Super-Jupiter – Class of planets with more mass than Jupiter; Jovian–Plutonian gravitational effect – Astronomical hoax; List of gravitationally rounded objects of the Solar System
According to the IAU's explicit count, there are eight planets in the Solar System; four terrestrial planets (Mercury, Venus, Earth, and Mars) and four giant planets, which can be divided further into two gas giants (Jupiter and Saturn) and two ice giants (Uranus and Neptune). When excluding the Sun, the four giant planets account for more than ...
The sizes and masses of many of the moons of Jupiter and Saturn are fairly well known due to numerous observations and interactions of the Galileo and Cassini orbiters; however, many of the moons with a radius less than ~100 km, such as Jupiter's Himalia, have far less certain masses. [5]
This is the mechanism that explains how Jupiter continues to radiate heat produced by its gravitational compression. [1] The most common reference to gravitational compression is stellar evolution. The Sun and other main-sequence stars are produced by the initial gravitational collapse of a molecular cloud.
In science class, we always learned that all the planets in our solar system orbit around the sun. Scientists have figured out this is not necessarily true.
The surface gravity, g, of an astronomical object is the gravitational acceleration experienced at its surface at the equator, including the effects of rotation. The surface gravity may be thought of as the acceleration due to gravity experienced by a hypothetical test particle which is very close to the object's surface and which, in order not to disturb the system, has negligible mass.
Just over a year after it was launched, the European Space agency's Jupiter Icy Moons Explorer (JUICE) is returning towards Earth on Aug. 19-20 and will use the braking effect of its gravity to ...
The standard gravitational parameter μ of a celestial body is the product of the gravitational constant G and the mass M of that body. For two bodies, the parameter may be expressed as G(m 1 + m 2), or as GM when one body is much larger than the other: = (+).