Adam Rains: Interferometry: When One Telescope Just Isn't Good Enough
Telescopes are big, but sometimes even the largest telescopes in the world aren't big enough. How do astronomers solve this problem? Telescope teamwork! By combining the light from multiple telescopes, we're able to see the Universe in astonishing detail - including its stars, galaxies, and even black holes!
Recommended age: 10-18 years
You can also watch a recording of the talk here on our Facebook page (see the 'Astronomy at Home' playlist).