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Found 273 results for dwarf planet
Planets near dangerous stars could shield alien life under smog

Planets near dangerous stars could shield alien life under smog

4 December 2017

Red and white dwarfs make nasty neighbours due to spurts of deadly radiation, but alien life could still form on planets nearby if shielded by smog or oceans


Odds on: 10 science breakthroughs you can bet on

Odds on: 10 science breakthroughs you can bet on

10 May 2017

Human clones, a colony on Mars, alien contact... what world-changing breakthroughs will come in the next decade? We asked the experts – with some surprising results


aliens

How the sun abducted dwarf planets from an alien solar system

8 June 2016

The weird orbits of some bodies in the outer solar system reveal they are booty from an interstellar smash and grab raid, says astronomer Simon Portegies Zwart


solar system

Your explosive guide to the end of the universe

1 June 2016

Our sun will swell, our galaxy will collide with its neighbour and the universe could suddenly be swallowed by a vacuum bubble


Elliot crater

Pluto: A whole new world in 5 strange photos

22 March 2016

Floating mountains, ice volcanoes and a churning plain of nitrogen sludge – pin-sharp pictures beamed back from Pluto are changing how we think planets work


Oort cloud

The Oort cloud surrounds our solar system – why can't we see it?

16 March 2016

It's a giant sphere of a trillion rocks encircling us that occasionally sends comets slinging our way. That's a convincing story – but we'd love some direct evidence


Lighthouse

Galactic GPS: How dead stars will guide us in deep space

3 February 2016

Plotting a course through outer space is tricky, but stellar corpses called pulsars are pointing the way to a new form of celestial navigation


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Solar system mysteries: Is there a planet X?

20 January 2016

Wobbles in the orbit of two distant dwarf planets are reviving the idea of a planet hidden in our outer solar system. Two new discoveries could fit the bill


Journeys of a lifetime: Events in a far galaxy tweak your DNA

Journeys of a lifetime: Events in a far galaxy tweak your DNA

11 November 2015

Billions of years ago, an iron nucleus forged in another galaxy was flung into space at close to the speed of light – headed for your cells


Journeys of a lifetime: How your bones began in a star's core

Journeys of a lifetime: How your bones began in a star's core

11 November 2015

Find out how 13-billion-year-old calcium atoms forged in the stars got to be part of your bones – and how you may one day become stardust again


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