That interstellar asteroid could be a shard of a shredded planet
8 December 2017
'Oumuamua, an oddly shaped asteroid from beyond our solar system, recently passed by. It may have formed when a planet was ripped into fragments by its star
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Found 28 results for dwarf planet
Volcanoes that spew stretchy ice could make dwarf planets bright
20 October 2017
Something strange is happening on dwarf planets Eris and Makemake. They’re tiny and cold, but they still show surprising signs of geologic activity, like real planets
Distant dwarf planet near Pluto has a ring that no one expected
11 October 2017
The tiny world Haumea has a ring, the most distant we’ve found in our solar system. This may mean rings encircle other far-off worlds in the solar system
The mysterious bright spots on Ceres may have a common origin
2 October 2017
The dwarf planet Ceres is dappled with mysterious bright splotches. Their make-up varies with location, but they may all come from the same process
Nine probes reached the outer solar system: Where are they now?
12 September 2017
Besides Cassini, eight missions have passed the asteroid belt – and several are still broadcasting from the furthest solar system and beyond
It could be snowing on Mars right now
21 August 2017
The Red Planet may have had intense snowstorms long ago when it was wetter, but a model shows it could still have violent snowfall at night when the clouds cool
Huge impact could have smashed early Earth into a doughnut shape
25 May 2017
Many rocky worlds may have spent time as a newly named planetary form called a synestia – a loosely connected blob of molten rock and dust with a dented middle
Stars can start shining at a smaller mass than we thought
15 May 2017
Objects with only 6.7 per cent of the sun’s mass can be stars, according to a fresh measurement of how massive an object must be to achieve nuclear fusion
