NASA | Fermi Finds Radio Bursts from Terrestrial Gamma-ray Flashes

The video explores the phenomenon of terrestrial gamma ray flashes (TGFs) associated with lightning. Most lightning remains in clouds, but TGFs are linked to high-energy radiation. NASA's Fermi Gamma Ray Space Telescope has advanced our understanding of TGFs, revealing that they are caused by high-speed electrons and produce gamma rays and radio signals. Fermi's data shows that TGFs emit strong radio signals, previously thought to be from lightning. This discovery helps track electrical activity globally and clarifies weather patterns linked to TGFs.

What is the relationship between lightning bolts in the clouds and terrestrial gamma ray flashes (TGFs)?

How do scientists use the Fermi Gamma Ray Space Telescope to study TGFs?

Describe the process that occurs when lightning flashes high in the clouds and its effect on electric fields.

What significant findings did the GBM team discover regarding the source of radio signals associated with TGFs?

What implications do the findings about TGFs have for understanding thunderstorms and their energy output?