0.299 ວິວ
The sun is always changing and NASA's Solar Dynamics Observatory is always watching. Launched on February 11, 2010, SDO keeps a 24-hour eye on the entire disk of the sun, with a prime view of the graceful dance of solar material coursing through the sun's atmosphere, the corona.
ປ່ອຍຕົວ: Oct 31, 2015
ເວລາແລ່ນ: 30 ນາທີ
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ສະຕູດິໂອ: NASA
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