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Found 674 results for dwarf planet

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

Tides on exoplanets could drive alien biological clocks

24 July 2017

On watery worlds that lack days and nights because one face always points toward their star, tides may help life emerge – and algal blooms might be the giveaway

two maps of heat maps of twin plants side by side

Mistaken brown dwarf is actually two planets orbiting each other

14 June 2017

New observations reveal a rare binary planet system made of two gas giants four times as massive as Jupiter that likely formed in the breakup of a protostar 10 million years ago

illustration of a white dwarf in front of a red star

Mass of a white dwarf star directly measured for the first time

7 June 2017

Einstein said it couldn’t be done, but astrophysicists have used his prediction that gravity bends light to directly measure the mass of a dense stellar remnant

Huge impact could have smashed early Earth into a doughnut shape

31 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

Diagram of the shape of a synestia – like a red blood cell or a doughnut

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

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