Marcus Chown

@marcuschown

Writer. Books include Tweeting the Universe, We Need to Talk About Kelvin, Quantum Theory Cannot Hurt You & Solar System for iPad

Photos and Videos by @marcuschown

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"One is very happy!" (courtesy of Sunday Times)

"One is very happy!" (courtesy of Sunday Times)

98% of Universe is invisible: 73% dark energy; 23% dark matter; 4% atoms (of which only 1/2 seen with our telescopes)

Moonrise - from space

It's a beautiful day in low Earth orbit

"Space is big. You just won't believe how vastly, hugely, mind-bogglingly big it is" - Douglas Adams

The Earth through Saturn's rings

Sunset on Mars

If there is anyone you know who still doesn't believe Cameron is abolishing the NHS, show them this

Under Jupiter's Red Spot - 10,000x bigger Hurricane Katrina - it's been raining 300 yrs. & ppl complain abt UK summer!

Wouldn't you like to rise above it all and get some perspective on the world?

The iron in your blood, the calcium in your bones- all were forged in stars that lived & died before the Earth was born

The "Sun" newspaper's glamour model, Danni, reflects on the significance of the discovery of the Higgs boson

Cameron is abolishing the NHS while lying to you that he isn't. If there's anyone who still doesn't believe this, see

If there's anyone you know who doesn't believe Cameron is abolishing the NHS (while lying he isn't), show them this

If there is anyone you know who still doesn't believe Cameron is abolishing the NHS, show them this

If there is anyone you know who still doesn't believe Cameron is abolishing the NHS, show them this

NASA's "Curiosity" rover lands on Mars. Hope it can take better snaps than this one! http://tinyurl.com/cwjfo92

South Pole of the Moon: foreground crater, Skackleton, is in permanent shadow & may contain frozen water from comets

It's a beautiful world