A Fast-Moving Star is Colliding With Interstellar gas, Creating a Spectacular bow Shock - Universe Today

A star speeding through gas and dust has much to teach us about interstellar dynamics.

Zeta Ophiuchi has had an interesting life. It began as a typical large star about twenty times more massive than the Sun. It spent its days happily orbiting a large companion star until its companion… [+2638 chars]

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