Dark matter must be ____

a. baryonic
b. non-baryonic
c. neutral
d. WIMPs
e. isochronic


b

Physics & Space Science

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A system consisting of a quantity of ideal gas has the two isotherms shown. The system, initially at state C, can be taken along path C-A to final state A or along path C-B to state B

Which of the following is true?

1.QCA < QCB 2.QCA = QCB 3.QCA > QCB 4.Not enough information

Physics & Space Science

Internal forces cannot change the total momentum of a system

Indicate whether the statement is true or false

Physics & Space Science

The surface of Comet 67P/CG as detected by the Rosetta mission is best described as

A) smooth with parallel striations. B) smooth with many hilly areas. C) rough with cracks and crevices. D) rough with many craters.

Physics & Space Science

Which of these theories seems to best explain the Moon's origin?

A) Impact Theory B) Capture Theory C) Coformation Theory D) Fission Theory E) Fusion Theory

Physics & Space Science