The orbital period of the Moon with respect to a star (other than the Sun) is called a(n) ______________ month

Fill in the blank(s) with correct word


sidereal

Physics & Space Science

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The first life to originate on Earth must be

A) at least as old as the oldest fossils B) exactly the same age as the oldest fossils C) younger than the oldest fossils D) much older than the oldest fossils

Physics & Space Science

Which one of the following physicists strongly disagreed with quantum theory, arguing that some of the theory's predictions could not be correct?

A) Max Born B) John Bell C) Albert Einstein D) Erwin Schroedinger E) Niels Bohr

Physics & Space Science

If one object has a large redshift and another object has a small redshift, what can we conclude about these two objects?

A) The one with the large redshift is moving toward us faster than the one with the small redshift. B) The one with the large redshift is moving away from us, and the one with the small redshift is moving toward us. C) The one with the large redshift is moving away from us faster than the one with the small redshift. D) The one with the large redshift is hotter and therefore is putting out more radiation. E) The one with the large redshift is redder in color than the other one.

Physics & Space Science

Olbers's paradox is based on the assumption that the Universe began at some time in the past

Indicate whether the statement is true or false

Physics & Space Science