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Bookmark or Share- The Impact of Solar Eclipses on the Structure and Dynamics of Earth's ...Solar eclipses can have a noticeable impact on the structure and dynamics of Earth’s upper atmosphere – the ionosphere. This is primarily due to the sudden reduction in solar radiation reaching the Earth's atmosphere during the eclipse.
- In Depth | Earth's Moon – NASA Solar System ExplorationEarth's Moon is the only place beyond Earth where humans have set foot, so far. Earth's only natural satellite is simply called "the Moon" because people didn't know other moons existed until Galileo Galilei discovered four moons orbiting Jupiter in 1610.
- In Depth | Asteroids - NASA Solar System ExplorationScientists continuously monitor Earth-crossing asteroids, whose paths intersect Earth's orbit, and near-Earth asteroids that approach Earth's orbital distance to within about 28 million miles (45 million kilometers) and may pose an impact danger.
- In Depth | Earth – NASA Solar System ExplorationEarth's global ocean, which covers nearly 70% of the planet's surface, has an average depth of about 2.5 miles (4 kilometers) and contains 97% of Earth's water. Almost all of Earth's volcanoes are hidden under these oceans.
- Planet Compare – NASA Solar System ExplorationNASA’s real-time science encyclopedia of deep space exploration. Our scientists and far-ranging robots explore the wild frontiers of our solar system.
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