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Found 2 results for dwarf planet
Is there an ancient black hole at the edge of the solar system?

Is there an ancient black hole at the edge of the solar system?

31 March 2021

Hints of a hefty source of gravity beyond Pluto sparked the search for a possible “Planet Nine”. Now, some astronomers think it could instead be a black hole from the big bang, offering a rare glimpse into the early universe
The solar system has too many moons – it's time for a cull

The solar system has too many moons – it's time for a cull

23 October 2019

Designating rocks just a few kilometres across as moons is misleading and ridiculous. We need to do a Pluto and cut moons down to size, argues Leah Crane

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