We See the Universe Around Us Expanding at 70 Km/s/Mpc

question 80

Essay

We see the universe around us expanding at 70 km/s/Mpc, a rate given by the Hubble constant.If you were an astronomer living today in a galaxy that was located 1 billion light-years from the Milky Way, what would you measure for your Hubble constant?

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Definitions:

Progressive Relaxation

A technique involving the tightening and then relaxing of different muscle groups to reduce physical tension and stress.

Virtual Reality Exposure Therapy

A form of psychotherapy that uses virtual reality technology to expose patients to simulations of their fears or traumatic memories as a way to treat anxiety disorders.

Counterconditioning Technique

A behavior therapy technique where an undesirable response to a stimulus is replaced with a more desirable response, often used in the treatment of phobias.

Anxiety-arousing Situation

Any circumstance that triggers feelings of anxiety or nervousness.