What Do Astronomers Mean When They Say That the Universe

question 49

Multiple Choice

What do astronomers mean when they say that the universe is homogeneous?

• A) All stars in all galaxies have planetary systems just like ours.
• B) The universe appears the same no matter where you look.
• C) Galaxies are generally distributed similarly throughout the universe.
• D) Generally speaking, there is little difference between conditions on Earth, in the Sun, or in outer space.

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Definitions:

Alleviation of Suffering

The act or process of reducing or relieving pain, distress, or hardship in individuals, contributing to improved well-being and comfort.

Absence

The state of being away or not present; in healthcare, it may refer to the lack of symptoms, disease, or issues.

Theory

A system of ideas intended to explain something, based on general principles independent of the thing to be explained, used as a basis for further study or investigation.

Meso Compound

A type of stereochemical configuration in compounds with multiple chiral centers that has an internal plane of symmetry, making it achiral despite having stereocenters.