That the Earth is beautiful from space is no surprise any more - but it's still possible for the reality of that to take away your breath.
This is the latest shot to stun the internet, taken aboard ISS by Italian astronaut Samantha Cristoforetti.
It's a beautiful example of the serenity and fragility of the Earth as seen from space.
She also followed it up with this glorious shot of a small satellite being deployed from the ISS:
There it goes! Small satellite deploy yesterday... cool, ah? Nothing personal, but I trust we won't meet again ;-) pic.twitter.com/Zljt4kZrf3— Sam Cristoforetti (@AstroSamantha) February 6, 2015