New analysis of asteroid dust reveals evidence of salty water in the early solar system
In October 2020, a van-sized robotic spacecraft briefly touched down on the surface of Bennu, a 525-meter-wide asteroid 320 million kilometers from Earth.
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Which planet is closest to the sun?
Mercury is the closest planet to the sun, followed by Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune. Mercury orbits ...
Flickering, invisible space loops may help predict solar flares
It’s notoriously difficult to predict when the sun will belch out a large solar flare — an explosive burst of radiation that ...