#wanttoknow! – This week’s viewer question comes from Kevin Mwachiro in Mombasa, Kenya.
The Parker Solar Probe is designed to unveil a great secret of the sun. To do so, it must travel closer to our star than any other spacecraft before it to collect data in a hellish environment.
The Perseid meteor shower is as regular as clockwork. It peaks August 12, same as last year. This time we can expect to see twice as many shooting stars, perhaps even a "double peak." But there's loads we don't know.
The convergence of a 'blood moon' and an unusually bright red planet Mars in the night sky promises to be a celestial extravaganza for sky watchers. Such cosmic events have been celebrated by artists for millennia.
NASA images show a large field of dunes on the surface of the dwarf planet apparently composed of grains of frozen methane. But how did Pluto's extremely thin atmosphere muster the wind to form the dunes?
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