Long, long ago men and women on Earth gazed in wonder at comets that appeared in the sky. What were these mysterious objects? Rosetta and Philae learn about the history of comets from their grandfather, Giotto.
With thanks for the provision of archive material to the European Space Agency/ESA.
As the Rosetta spacecraft awakes, Dr Natalie Starkey takes us through this extraordinary comet-landing mission.
Rocks hurtling through space shape the surface of the moons and planets as collide – and now you can use your skill and knowledge to make your own mark. Can you cover a target percentage of a planet or a moon’s surface with impact craters – by choosing meteroids based on size, make-up and speed and aiming them at your chosen target.
Level: 1 Introductory