What is Local Bubble?

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What is Local Bubble? Blog Image


Researchers from the Center for Astrophysics (CfA) | Harvard & Smithsonian have recently generated a 3D magnetic map of the cavity called Local Bubble.

About Local Bubble

  • The Local Bubble is a 1,000-light-year-wide cavity or a super bubble. Which exist in the Milky Way.
  • It is thought to have originated from supernovae roughly 14 million years ago. 

What is a supernova?

  • It is a class of violently exploding stars whose luminosity after eruption suddenly increases many millions of times its normal level.
  • Supernovae explosions release tremendous amounts of radio waves and X-rays and also cosmic rays. 


Q1) What is the nearest exoplanet to earth?

The Proxima Centauri b is our closest known exoplanet which is only four light-years away from the earth.

Source: A bubble of secrets: Here’s what the new 3D map of a gigantic cosmic cavity tells us about the universe