Space · Topic 99 of 119
Light Echoes
⭐ MasteredA light echo happens when light from a bright event, such as a supernova, reflects off dust clouds and reaches Earth later. The light arrives in a series of rings or flashes.
💡 Fun fact
Light echoes can show astronomers details about explosions that happened long before the light reached Earth.
All about Light Echoes
A light echo happens when light from a bright event, such as a supernova, reflects off dust clouds and reaches Earth later. The light arrives in a series of rings or flashes. Light echoes can reveal explosions that happened long ago.
They are useful for studying dust in space as well as the explosion itself.
🎮 Try it yourself!
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