Brief description: Cloud chambers are boxes specially made to detect charged particles and radiation. In this activity, a cloud chamber is used to observe alpha and beta particles, the charged …

Step 1 – Access the data To complete your detective’s mission you need to select your target and access the Cheops satellite data. We suggest that you start your mission …

Brief description: During these activities, students will work in small groups to model the transit of an exoplanet in front of its host star using an ‘exoplanet in a box’, …

Step 4 – Temperature and Habitability To this day, Earth is the only place in the universe that is known to host life. It is also unknown if life could …

Brief description: In this activity, students will consider whether life found in extreme environments on Earth could survive elsewhere in the Solar System. Students will examine the characteristics of different …

Hack an Exoplanet Guide for Educators Brief description: In this activity, students will characterise two exoplanets by analysing data acquired by ESA’s Cheops satellite. Students will work as real scientists …

Brief description: Find out how Cheops, the CHaracterising ExOPlanet Satellite, is going to investigate distant planets orbiting stars other than the Sun to discover what these alien worlds are made …

Step 2 – The Size of the Exoplanet The depth of the exoplanet transit is equivalent to the ratio of the area of the planet’s disc and the area of …

Brief description: In this set of activities students will learn how scientists study exoplanets with telescopes, using the transit method. Students will characterise exoplanets using model and real satellite light …

Brief description: Microbial life is known to survive in all sorts of extreme environments by going into a dormant state. Could they have survived long trips around our galaxy to …

Brief description: In this set of activities, students will learn about two concepts that influence solar panel design for space missions: the inverse square law and the angle of incidence. …

Brief description: Is there a planet like our Earth out there? Scientists have discovered over 4000 exoplanets, or planets outside of our Solar System, that ESA’s CHEOPS satellite will study …

Brief description: Join Paxi, ESA Education’s friendly alien mascot, on a trip beyond our Solar System to explore exoplanets. In this video, targeted at children aged between 6 and 12 …

Brief description: In this activity, students will use an elliptical board to obtain speed and distance measurements for an object in an elliptical orbit. The results are then plotted on …

Brief description: Find out more about the exciting hack an exoplanet activity in the videos below featuring exoplanet experts Didier Queloz, 2019 Nobel Laureate in Physics, Kate Isaak, ESA project …

Brief description: In this set of experimental activities, students will investigate the survival abilities of tardigrades, also known as water bears. They will expose conditions and come to a conclusion …

Brief description: In this activity, teachers and students simulate a comet nucleus in the classroom. Comets are considered to be time capsules containing information about the conditions of the early …

Brief description: In this activity, the principle of moments is applied to rotating systems to demonstrate the concept of a barycentre, or centre of mass, and how objects in orbit …

Brief description: In this set of activities, students will learn how scientists study exoplanets with satellites like Cheops (CHaracterising ExOPlanet Satellite), using the transit method. Students will build their own …

Step 5 – Composition In our Solar System, planets are usually divided into two categories: rocky and gaseous. However, exoplanets can be very different from the neighbouring planets we are …

Use the allesfitter software to find the exoplanets hidden in the Cheops data

Welcome Exoplanet Detectives! Start your Hack an Exoplanet challenge now! To know more about your mission, watch the Introduction to Hack an Exoplanet video below. Once you’re ready to start …

Complete the quiz to test your knowledge on exoplanets and get your certificate! Rules: The quiz is composed of 6 questions about exoplanets. Complete it successfully and you will receive …

Brief description: Didier Queloz, 2019 Physics Nobel Prize laureate, answers the questions of the best teams of the Hack an Exoplanet activity in this 1-hour webinar. Didier Queloz was awarded …

Step 3 – Orbital Period and Distance The orbital period, T, of a planet is the time it takes the planet to complete one full orbit around its star. If …