News Astronomy

Astronomers detect the first astrosphere around a sunlike star

A comparable hot gas bubble around the sun shields Earth from galactic cosmic rays

A yellow circle surrounded by concentric circles fading from orange to blue, with the blue stopping at an arc at the bottom of the image and sweeping back towards the top.

A young star nicknamed the Moth plows through a dense cloud of interstellar dust and gas. That movement pushes the star's own dust disk back into a winglike shape, as seen in this simulation, but does not affect the bubble of stellar wind the star blows around itself.