🔤 EHT A-Z
We’re breaking down the science behind the Event Horizon Telescope - one letter at a time.

📡 X is for X-ray Emission
Sgr A*, the supermassive black hole at our galaxy’s center, emits X-rays. Astronomers often observe X-ray flares when the emission suddenly brightens.

Learn more in this video from the Chandra Observatory: https://www.youtube.com/watch?v=jHPWq4x92vI