Finding the Mass of the Black Hole in the Milky Way

Essential information

Key stage: 
Key Stage 4
Resource type: 
Classroom activity
Royal Observatory
School subject: 
Astronomy, Maths, Science

Students use Kepler's 3rd law to calculate the mass of the supermassive black hole in the core of the Milky Way. Accompanies the video 'What's inside a black hole?'