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Hera asteroid mission goes on trial

Hera asteroid mission goes on trial

[ad_1] At some point, statistically speaking, a large asteroid will impact Earth. Whether that’s tomorrow, in ten years, or a problem for our ancestors, ESA is getting prepared.As part of the world’s first test of asteroid deflection, ESA’s Hera mission will perform a...

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Neptune: Size, distance from the Sun, orbit

Neptune: Size, distance from the Sun, orbit

[ad_1] Size: Neptune is slightly smaller than Uranus and has a diameter of 31,000 miles (50,000 kilometers), so about 4 Earths would fit across its face.Distance from the Sun: Neptune is the eighth planet from the Sun. It orbits at an average distance of 2.8 billion...

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Juno Completes its Closest Flyby of Io Yet

Juno Completes its Closest Flyby of Io Yet

[ad_1] Jupiter’s ocean moons capture most of our attention because of their potential habitability. But Io, Jupiter’s bad-boy volcanic moon, is in a class of its own. There’s nothing else like it in the Solar System, and NASA’s Juno spacecraft captured new images of...

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What astronauts do: Science, spacewalks and chores

What astronauts do: Science, spacewalks and chores

[ad_1] Back to Article List It's definitely not all glory. What astronauts do is a combination of research, maintenance and, always, exercise. Buzz Aldrin walking on the Moon. Credit: NASA. The stars, planets, and galaxies that speckle the cosmos are not the only...

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