Paul Johnson
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2 days ago · Earth, third planet from the Sun and the fifth largest planet in the solar system in terms of size and mass. Its single most outstanding feature is that its near-surface environments are the only places in the universe known to harbor life. Learn more about development and composition of Earth in this article.
- Impacts, Planetesimals, Craters
Earth - Impacts, Planetesimals, Craters: During its...
- The Interior
Earth - Core, Mantle, Crust: More than 90 percent of Earth’s...
- Basic Planetary Data
Earth - Planet, Atmosphere, Geology: The mean distance of...
- The Atmosphere
Earth - Atmosphere, Climate, Ozone: Earth is surrounded by a...
- Planetary Differentiation
Earth - Differentiation, Formation, Structure: Once hot,...
- Near Earth Asteroid Rendezvous
The NEAR spacecraft was launched by the U.S. National...
- The Outer Shell
Earth - Core, Crust, Mantle: Earth’s outermost, rigid, rocky...
- Structure, Composition, Development
Earth - Structure, Composition, Development: The origin of...
- Impacts, Planetesimals, Craters
1 day ago · Earth is about to celebrate its annual “Aphelion Day,” but its ever-changing distance to the sun is not what explains the seasons—that's the tilt of its axis. Subscribe To Newsletters.
2 days ago · NASA Reveals Images of Large Asteroids That Just Sailed Past Earth. A close-up glimpse of 2024 MK tumbling through space. (NASA/JPL-Caltech) Last week, Earth was treated to a rare event: not one, but two large asteroids, passing by within hailing distance. Neither 2024 MK nor 2011 UL21, as the asteroids are named, came close enough to pose a ...
Jun 13, 2024 · All About Earth. Our home planet Earth is a rocky, terrestrial planet. It has a solid and active surface with mountains, valleys, canyons, plains and so much more. Earth is special because it is an ocean planet. Water covers 70% of Earth's surface. Explore Earth!
Jun 27, 2024 · On April 13, 2029, Apophis, a 1,100-foot-long asteroid, will fly less than 20,000 miles above Earth’s surface, closer than the orbits of geosynchronous satellites — meaning it will be visible ...
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- Robin George Andrews
Jun 13, 2024 · All About Earth. Since we live here, you might think we know all there is to know about Earth. Not at all, actually! We have a lot we can learn about our home planet. Learn more about Earth and all the planets in our solar system. Play. Go With the Flow!
Jun 20, 2024 · 50 interesting facts about Earth. References. By Stephanie Pappas, Robert Roy Britt, Ailsa Harvey. last updated 20 June 2024. From extreme climates to peculiar creatures, here are some top facts...
