Virgin orbit articles
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What Is Low Earth Orbit? A Basic Explainer
Almost everything in a rocket is headed for LEO. Here's what that means and why it's significant.
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Orbiter Spots "Spiders" on Surface of Mars
Martian Creepy Crawlers The European Space Agency's Mars Express orbiter has spotted mysterious "spiders" roaming the Red Planet's southern polar region. But they're not the arachnids we've come to fear back on Earth — they're the result of a complex geological process that causes carbon dioxide to sublimate, bringing darker material from below the surface
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What to know about NASA’s latest ride to orbit
NASA astronauts will launch to orbit in a spacecraft they’ve never flown before, if all goes well in the hours ahead.