Tag archives: explainer

Earth’s Water Was Sucked Up From Space, New Theory Says

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Earth’s Water Was Sucked Up From Space, New Theory Says
Scientists have long debated the origins of Earth's water. Some believe that it came from comets and asteroids that crashed into the planet early in its history. Others believe that it was created on Earth from the chemical reactions of hydrogen and oxygen in the atmosphere. A new study published...

Astro Scale’s Robot Tug: Clearing the Path in Earth’s Orbit

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Astro Scale’s Robot Tug: Clearing the Path in Earth’s Orbit
Introduction In the vast expanse of space, Earth's orbit is becoming increasingly cluttered with defunct satellites, spent rocket stages, and fragments from previous space missions. This accumulation of debris poses a growing threat to active satellites, space stations, and future space exploration endeavors. Enter Astro Scale, a pioneering company on...

Super-High-Energy Electrons Found in Earth’s Outer Radiation Belt

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Super-High-Energy Electrons Found in Earth’s Outer Radiation Belt
New Radiation Belt Discovered Around Earth Scientists have seen a new radiation belt around Earth, according to a study published in the journal Science. The belt, which is located about 11,900 to 13,900 miles (19,100 to 22,300 kilometers) above the planet's surface, was discovered by NASA's twin Van Allen Probes....
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