Rotation rate helps astronomers differentiate giant planets from brown dwarf stars

For centuries, astronomers faced the challenge of classifying objects in space based on their appearance. When observing an ...
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NASA's Hubble celebrates decade of tracking outer planets

This is a montage of Hubble Space Telescope views of our solar system's four giant outer planets: Jupiter, Saturn, Uranus, and Neptune, each shown in enhanced color. The images were taken over nearly ...
来自MSN

Webb and Hubble images offer new clues to Saturn’s hard-to-pin rotation

NASA’s James Webb Space Telescope and Hubble Space Telescope have produced a detailed paired view of Saturn, and the images are doing more than just looking pretty. Taken weeks apart, the two ...
SpaceNews

Earth’s core rotating faster than rest of the planet but slower than previously believed

New research gives the first accurate estimate of how much faster the Earth’s core is rotating compared to the rest of the planet. Previous research had shown that the Earth’s core rotates faster than ...