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Found 39 results for dwarf planet

Puzzle #89: Do you know which car set off first?

9 December 2020

Solve this week’s fiendish puzzle Sunday drivers. Plus the answer to puzzle #88

Puzzle #67: What relationship do the digits in this prime number have?

8 July 2020

Can you solve this week’s puzzle My Prime? Plus the answer to puzzle #66 set by Will Taylor

How to find Andromeda – a spiral galaxy you can see with the naked eye

11 December 2019

Amazingly, it is possible to see the spiral arms of Andromeda, our nearest galaxy 2.5 million light years away – if you just know where to look

Could Jupiter ever ignite into a star?

30 October 2019

Jupiter is big enough to be a star, so could it ever become one? The answer lies in knowing how a star forms, as readers explain

How to use the Orion constellation to find Sirius the dog star

16 October 2019

Some of the sky's brightest stars including Rigel and Betelgeuse are located in the iconic constellation Orion. Here's how to find it and then star-hop to Sirius

Nudge factor

23 August 2017

My 8-year-old son is very worried about Earth being destroyed by the sun when it becomes a red giant billions of years from now. I have tried to comfort him by suggesting we could shift Earth's orbit by hurling asteroids towards the planet on trajectories...

Feedback: Placenta pills promise new mums more Vitamin U

22 March 2017

Plus: an ocean cruise that circles the globe in a day, shining a light on the blackest of blacks, a dwarf planet made of muesli, and speed-reading the lastest John Scalzi novel.

Craters and canyons hint at violent past of Pluto's moon Charon

2 October 2015

NASA's New Horizons probe has sent back the most detailed images yet of Charon, Pluto's giant moon. A vast system of canyons suggests a turbulent history