The Tomorrow Today viewer's question comes from Tanzania.
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?
NASA has officially named a small icy rock beyond Pluto, scrapping a nickname which was accused of having Nazi connotations. It marks a new beginning for scientists studying 2014 MU69.
The NASA spacecraft that studied Pluto has successfully performed its flypast of Ultima Thule, an icy rock in the outer solar system. Scientists hope the mission will help them understand how planets were formed.
Scientists at NASA have revealed details of the icy minor planet at the edge of the solar system known as Ultima Thule. The New Horizons probe sent back images that show the frosty object is shaped like a snowman.
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