A star whose parallax is 0.01 seconds arc is at a distance of 1000 pc
Indicate whether the statement is true or false
F
Physics & Space Science
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Which force binds together protons and neutrons in a nucleus?
A) strong force B) gravity C) electromagnetic force D) weak force
Physics & Space Science
The number of molecules in one mole of a substance
A) depends on the molecular weight of the substance. B) depends on the atomic weight of the substance. C) depends on the density of the substance. D) depends on the temperature of the substance. E) is the same for all substances.
Physics & Space Science
Why does the term "planet" have a different meaning when applied to brown dwarfs than in our solar system?
What will be an ideal response?
Physics & Space Science
Is it possible for heat to travel from a cold object to a hotter object?
What will be an ideal response?
Physics & Space Science