The moons of Jupiter are
A) all made of rock.
B) all made of ice.
C) made of a mixture of rock and ice.
D) all captured asteroids.
E) made mostly of hydrogen and helium gas.
C) made of a mixture of rock and ice.
Physics & Space Science
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A chemical reaction is one in which
A. atomic nuclei change form. B. a substance gets hot. C. atoms change mass. D. atoms get rearranged.
Physics & Space Science
Young's double slit experiment relies on the ___________________ of light.
A: Dampening B: Interference C: Refraction D: Reflection
Physics & Space Science
How do you measure the speed of a galaxy relative to you?
A.) Radar. B.) Doppler shifts. C.) Light echoes. D.) Lorentz transformations. E.) All of the above.
Physics & Space Science
Measured densities of extrasolar planets range from ________
A) water to iron B) styrofoam to iron C) styrofoam to water
Physics & Space Science