Bipolar Outflows Create Bright Bow Shocks Because

question 13

Multiple Choice

Bipolar outflows create bright bow shocks because

• A) the gas "piles up" when it encounters ultraviolet light.
• B) the material collides with particles in the interstellar medium.
• C) the star's magnetic fields trap the outflow material there.
• D) the gas cools enough to allow H ^- ions to build up.
• E) the outflows encounter newly forming planets.

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