Activity: Alphabetical

Agent Exoplanet


State that during a transit, a planet goes between us and a star and blocks some of the light we receive from the star.

Describe the shape of a light curve for a star with a transiting planet.

  • Use Agent Exoplanet to measure the brightness of a star during a planet transit and to plot a light curve of the transit.
  • Use Agent Exoplanet to calculate the mass, orbital period, orbital radius, and radius of an extrasolar planet.


Have you ever wondered how astronomers discover planets orbiting stars outside our solar system? This activity takes you through the steps astronomers use when they study extrasolar planet transits.

Asteroids, Comets and NEOs - student worksheet

This worksheet is based around the topic of asteroids, comets, NEOs and impacts and aims to help you learn about these objects in the Solar System. The worksheet can be downloaded and printed out for use in the classroom or at home.

Cassiopeia A in many colors

Supernovae are the violent explosions of stars occurring at the end of their lives. On average, one supernova goes off every 50 years or so in our Galaxy. The enormous explosion from these stars blasts material out into the surroundings at very high speeds, sweeping up the surrounding gas into  a giant bubble.  This is known as a supernova remnant.   The shell (or bubble) shines at many different wavelengths, and is very bright in the X-ray because the material from the explosion is very hot.

Craters in the classroom

After carrying out this activity, students will be able to recognise and describe how impact craters are formed on Earth.


Create a Hubble Tuning Fork diagram

Galaxies are huge collections of stars, gas and dust held together by gravity. Our Galaxy, the Milky Way, is known as a spiral galaxy as it has spiral arms that wind their way around the center of the galaxy (or bulge). The first galaxies were identified as far back as the 17th Century by Charles Messier. Messier compiled a list of 110 star clusters and spiral nebulae which he discovered while searching the sky for comets. It wasn't until the early 20th century however that these nebulae were in fact spiral galaxies.


  • Build an appreciation of satellite technology and space-to-Earth communications
  • Use mathematics to make calculations about the properties of artificial orbiting objects

CubeSats and their smaller cousins PocketQubs are tiny satellites which orbit the Earth in a LEO (Low Earth Orbit between 200km and 2000km). CubeSats are 10cm x 10cm x 10cm in size and PocketQubs are 4.3 cmx 4.3 cm x 4.3 cm. They transmit data constantly from around the globe but can only have this information downloaded when passing over a ground station.

Impact Craters on Mars

Finding your way around Mars

The first step in this activity is to change the view in Google Earth, to Mars.

Impact Craters on the Moon

Finding your way around the Moon

The first step in this activity is to change the view in Google Earth, to the Moon.

Join our search for new exoplanets


This observing programme will contribute to the observations made by professional astronomers of exoplanet candidates.

Please note: This project only runs between March and September because of the visibility of the Galactic Bulge.

By taking part in this project you and your observations can contribute to real science and could possibly help discover new exoplanets!