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The James Webb Space Telescope (JWST) is a space telescope designed to conduct infrared astronomy. As the largest telescope in space, it is equipped with high-resolution and high-sensitivity instruments, allowing it to view objects too old, distant , or faint for the Hubble Space Telescope . [ 9 ]
An annotated picture of Neptune's many moons as captured by the James Webb Space Telescope. The bright blue diffraction star is Triton, Neptune's largest moon. Neptune has 16 known moons. [154] Triton is the largest Neptunian moon, accounting for more than 99.5% of the mass in orbit around Neptune, [i] and is the only one massive enough to be ...
It is a mini-Neptune, meaning it is larger than Earth but is significantly smaller (in mass and radius) than the gas giants of the Solar System. After CoRoT-7b , it was the second planet between Earth and Neptune in mass to have both its mass and radius measured [ 1 ] and is the first of a new class of planets with small size and relatively low ...
It's just Newtonian gravity — the same thing Isaac Newton figured out a couple hundred years ago. It's just Earth has a lot more mass. There is a place where Earth and the sun's gravity balance ...
The presence of water vapour is likely [40] but with uncertainty, [41] as James Webb Space Telescope observations indicating concentrations of less than 0.1%; [42] this may be due to the JWST seeing a dry stratosphere [33] as the atmosphere is thought to have an efficient cold trap. [38] Ammonia concentrations appear to be unmeasurably low.
Two years of data from NASA's James Webb Space Telescope have now validated the Hubble Space Telescope's earlier finding that the rate of the universe's expansion is faster - by about 8% - than ...
NASA announced in 2002 that it would name its Next Generation Space Telescope, the successor to the Hubble Space Telescope, the James Webb Space Telescope. More information about James Webb. More ...
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 ...