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A classroom activity that uses mathematics to reinforce learning about resultant forces and acceleration. Accompanies the video 'Newton's Laws of Motion'.

A classroom activity in which students use data from NASA's Kepler space probe to determine the size of an exoplanet.

Students calculate the age of a meteorite by looking at the half life of one of its elements - rubidium. Accompanies the video 'How do we know how old the Sun is?'.

The Universe we see today is made from particles arranged in a wide variety of elements, but where did it all come from?

A classroom activity exploring the changing appearance of the Moon throughout the month. Suitable for advanced KS2 and all KS3 students.

In this classroom activity, students explore how stars are powered by fusion, the energy they output and why stars can't fuse the heaviest elements.

Join our Royal Observatory Greenwich astronomers as they go on an epic journey to find out how Newton's Laws of Motion work in space. Buckle your seatbelts, you're in for an adventure!

Royal Observatory Greenwich astronomer Radmila shows how you can best find the Moon in the daytime sky and how you can demonstrate the changing phases of the Moon in the classroom using hands-on models.

Join Royal Observatory Greenwich astronomers as they explore the challenges astronauts would encounter on their long journey to Mars and what it might be like to live and work on the red planet! 

Students use the Doppler equation and angular momentum to calculate the mass of an orbiting extrasolar planet. Accompanies the video 'Alien worlds and the Doppler effect'.