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Was there ever a collision of the Earth with another planet Theia, giving birth to the Moon? [1] There is compelling evidence, such as measures of a shorter duration of the Earth's rotation and lunar month in the past, pointing to a Moon much closer to Earth during the early stages of the Solar System.
Why is the Sun's corona so much hotter than the Sun's surface? Why is the magnetic reconnection effect many orders of magnitude faster than predicted by standard models? Space weather prediction: How does the Sun produce strong southward-pointing magnetic fields in solar coronal mass ejections that lead to geomagnetic storms?
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It's like if you put the Earth and sun at opposite ends of an American football field: "Parker Solar Probe is on the 4-yard line approaching the sun," Joe Westlake, Director of NASA's Science ...
Seasons are not caused by the Earth being closer to the Sun in the summer than in the winter, but by the effects of Earth's 23.4-degree axial tilt. Each hemisphere is tilted towards the Sun in its respective summer (July in the Northern Hemisphere and January in the Southern Hemisphere), resulting in longer days and more direct sunlight, with ...
There’s certainly nothing living on the asteroid Bennu, an airless, 1,614-ft. rubble pile orbiting the sun about 40.2 million miles from Earth. But that doesn’t mean that Bennu hasn’t all at ...
If you can answer 50 percent of these science trivia questions correctly, you may be a genius. The post 50 Science Trivia Questions People Always Get Wrong appeared first on Reader's Digest.
The following is a list of notable unsolved problems grouped into broad areas of physics. [1]Some of the major unsolved problems in physics are theoretical, meaning that existing theories seem incapable of explaining a certain observed phenomenon or experimental result.