1. Tim Peake is an ESA/UK astonaut Project 6 – Sunrise and sunset

2. Demonstration of why the sky is normally blue, but at sunset/sunrise is red. Clear water (lhs), with drop of milk (middle), looking through glass of water and milk at Sun (mid morning). TAKE CARE NOT TO LOOK DIRECTLY AT THE SUN! Photos: Helen Mason

3. Rowing at dawn Photo courtesy of St Edmund’s College, Cambridge University

4. Sunset over the sea Photo: Helen Mason

5. Sunrise from the ISS, 11 June 2011 Photo taken by astronaut Ron Garan, credit:NASA

6. The Sun returns at Concordia base in Antarctica, after three months of darkness. Credit: PNRA/IPEV; Photo by Lorenzo Moggio.

7. Samantha Cristoforetti taking photos from the cupola on the ISS Credit: NASA/ESA

8. Sunset from the ISS Photo: Scott Kelly. Credit: NASA

9. The river Nile delta, as seen at nighttime from the ISS Credit: NASA

10. The moon as seen from the ISS Photo from the ISS: Samantha Cristoforetti. Credit: ESA

11. Beautiful photo of the UK at night with an aurora, seen from the ISS Credit: ESA/NASA

12. Beautiful aurora seen from the ISS Credit: NASA/ESA

13. Beautiful aurora seen from the ISS Photo: Scott Kelly. Credit: NASA

14. Beautiful aurora, called Northern Lights, in the Arctic Photo: Ole Salomonsen

15. Beautiful aurora, called Northern Lights, in the Arctic Photo: Ole Salomonsen

16. The Solar and Heliospheric Observatory, SoHO Credit: NASA/ESA

17. A huge explosion on the Sun seen by the Solar Dynamics Observatory in Helium emission at 30.4nm. Credit: NASA

18. A huge explosion on the Sun seen by the Solar Dynamics Observatory in Helium emission at 30.4 nm. Credit: NASA

19. THANK YOU Illustration of a solar storm heading towards us Credit: John Currin, Sun|trek

20. Astronauts Scott Kelly and Kjell Lindgen do some repairs on the ISS, November 2015 Photo credit: NASA/ESA/ISAS