Imagine That Hubble Discovered That the Recession Velocity of a Galaxy

question 68

Multiple Choice

Imagine that Hubble discovered that the recession velocity of a galaxy increased proportionally to the square of the galaxy's distance from the Milky Way.Which of the following would NOT be true?

• A) Astronomers could calculate a galaxy's distance from its redshift.
• B) The density of the Universe would decrease with time.
• C) Astronomers would observe more distance galaxies as they were farther back in time.
• D) Astronomers in any other galaxy would measure the same relationship.

---

Definitions:

Farsightedness

A common vision condition where distant objects are seen more clearly than close ones, also known as hyperopia.

Tonometer

An instrument used to measure the pressure inside the eye, important for diagnosing and monitoring glaucoma.

Intraocular Pressure

The fluid pressure inside the eye, critical for maintaining eye shape and proper vision; abnormalities can indicate glaucoma.

Measure

To ascertain the size, amount, or degree of something typically using an instrument or device designed for that purpose.