WebThe short answer is in search for life, or evidence that life once existed. The ice covered moons of Callisto, Europa, and Ganymede are all thought to contain liquid oceans that could contain... WebOct 4, 2024 · Earth system science is the study of interactions between and among Earth's different parts. Why and How Does NASA Study Earth? NASA studies Earth to learn …
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WebApr 10, 2024 · The sun is the closest star to Earth. Even at a distance of 150 million kilometers (93 million miles), its gravitational pull holds the planet in orbit. It radiates light and heat, or solar energy, which makes it possible for life to exist on Earth. Plants need sunlight to grow. Animals, including humans, need plants for food and the oxygen ... WebMar 9, 2024 · Our nearest neighbor also plays a big part in making the Earth a good place to live. Located an average of only 384,400 kilometers (238,855 miles) away, it’s got enough gravity to help stabilize the Earth on its axis. That makes our planet’s climate more stable than it would be otherwise. greenbird meet the team
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