How would an astronomer use index of refraction?

I want to become an astronomer so I was wondering if it's possible to study for one or wht help me p...

an astronomer looking out into space will observe that

What does an astronomer know about a star if they know its classification in the Morgan-Keenan Spect...

You are an astronomer who has discovered a distant solar system. Within the system, you find three o...

You are an astronomer who has discovered a distant solar system within this system you find theee ob...

You are an astronomer who has discovered a distant solar system within this system you find three ob...

An astronomer estimated the distance from Earth to Mercury to be 5.9 × 107 miles, and the distance f...

PS1.2) An astronomer uses a model to estimate the energy released by nuclear fusion in a star’s core...

.PS1.2) An astronomer uses a model to estimate the energy released by nuclear fusion in a star’s cor...

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