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Understanding the sun from afar isn't easy. NASA's MESSENGER spacecraft -- which orbits Mercury, and so is as close as 28 million miles from the sun versus Earth's 93 million miles -- is near enough to the sun to detect solar neutrons that are created in solar flares.
via Science Daily
Zazzle Space Exploration market place
Understanding the sun from afar isn't easy. NASA's MESSENGER spacecraft -- which orbits Mercury, and so is as close as 28 million miles from the sun versus Earth's 93 million miles -- is near enough to the sun to detect solar neutrons that are created in solar flares.
via Science Daily
Zazzle Space Exploration market place
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