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This makes it the first extrasolar planet to have its rotation rate measured. [11] With a rotation period of 8.1 hours, it was the fastest-spinning exoplanet known as of 2014. [11] [12] [13] Its rotation period is faster than that of Jupiter, which has a rotation period of around 10 hours. The rotation period was later refined to 8.7 ± 0.8 ...
This plot shows the distribution of rotation periods for 15,000 minor planets as of September 2016, plotted against their diameters. Most bodies have a period between 2 and 20 hours. [1] [a] This is a list of fast rotators—"minor planets" (which includes asteroids) that have an exceptionally short rotation period, i
They highlight ASKAP J1839−0756 (AJ0) as the slowest one ever observed, rotating just once every 6.45 hours, and explain that scientists have not felt sure of the origins of these strange ...
Title Planet Star Data Notes Most massive The most massive planet is difficult to define due to the blurry line between planets and brown dwarfs.If the borderline is defined as the deuterium fusion threshold (roughly 13 M J at solar metallicity [30] [b]), the most massive planets are those with true mass closest to that cutoff; if planets and brown dwarfs are differentiated based on formation ...
When a planet’s mass shifts in this way, it can cause the planet’s spin to accelerate. InSight took a final selfie that showcased its dusty solar panels on April 24, 2022. - NASA/JPL-Caltech
The planet is about the size of Venus, so slightly smaller than Earth, and may be temperate enough to support life, the researchers said. Dubbed Gliese 12 b, the planet takes 12.8 days to orbit a ...
Most minor planets have rotation periods between 2 and 20 hours. [1] [3] As of 2019, a group of approximately 650 bodies, typically measuring 1–20 kilometers in diameter, have periods of more than 100 hours or 4 1 ⁄ 6 days. Among the slowest rotators, there are currently 15 bodies with a period longer than 1000 hours. [1]
Kepler-452b (sometimes quoted to be an Earth 2.0 or Earth's Cousin [4] [5] based on its characteristics; also known by its Kepler object of interest designation KOI-7016.01) is a candidate [6] [7] super-Earth exoplanet orbiting within the inner edge of the habitable zone of the sun-like star Kepler-452 and is the only planet in the system discovered by the Kepler space telescope.