Could we put out the sun with a sun-sized orb of water?
18 July 2023
What would happen if we pushed a sun-sized ball of water into our star? The Dead Planets Society podcast dives into the possibilities
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Found 13 results for dwarf planet
Our solar system could be hiding an extra planet the size of Uranus
27 June 2023
Many planets are thought to be flung away from their stars, but it’s possible that some get trapped on the way out – and one could be lurking at the edge of our own solar system
A long-lost rogue planet could explain unexpectedly distant asteroids
1 October 2022
The outer solar system holds some chunks of ice and rock that orbit so far from the sun it’s hard to imagine how they got there – but an ancient rogue planet may hold the key
Surprisingly round asteroid may actually be the smallest dwarf planet
28 October 2019
The best ever image of the asteroid Hygiea has revealed its shape for the first time and it looks as if it is round enough to be a tiny dwarf planet like Pluto
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
By Jupiter! How the solar system’s giant made Earth ripe for life
22 May 2019
An audacious mission circling Jupiter’s poles is probing the planet’s deepest mysteries - including how it shaped our solar system and paved the way for our existence
You can help name the largest unnamed world in the solar system
9 April 2019
A dwarf planet known only as 2007 OR10 is about to get a proper name after more than a decade - and the public can help decide what we call it
Earth may be partly made of rocks from elsewhere in the galaxy
14 March 2019
We’ve only seen one interstellar object, a rock called ‘Oumuamua that passed by in 2017, but they may be crucial to speeding up the planet-building process
NASA probe will hurtle past the most distant object we’ve ever visited
22 December 2018
In 2015, NASA’s New Horizons spacecraft whizzed past Pluto. Now it is about to arrive at Ultima Thule, a tiny space rock 6.6 billion kilometres away from Earth
A new dwarf planet called Farout is the most distant we’ve ever seen
17 December 2018
Astronomers have spotted a tiny world 18 billion kilometres away, the most distant dwarf planet we’ve ever seen, and it may help us find the elusive Planet X
