Which of the following correctly lists the described speeds from slowest to fastest?
A) Earth's orbital speed about the Sun
Earth's speed of rotation on its axis
Earth's orbital speed about the Sun
typical speeds of stars in the local solar neighborhood relative to us
the speed of our solar system orbiting the center of the Milky Way Galaxy
the speeds of very distant galaxies relative to us
B) typical speeds of stars in the local solar neighborhood relative to us
Earth's speed of rotation on its axis
Earth's orbital speed about the Sun
the speed of our solar system orbiting the center of the Milky Way Galaxy
the speeds of very distant galaxies relative to us
C) Earth's speed of rotation on its axis
Earth's orbital speed about the Sun
the speed of our solar system orbiting the center of the Milky Way Galaxy
the speeds of very distant galaxies relative to us
typical speeds of stars in the local solar neighborhood relative to us
D) Earth's orbital speed about the Sun
the speeds of very distant galaxies relative to us
Earth's speed of rotation on its axis
typical speeds of stars in the local solar neighborhood relative to us
the speed of our solar system orbiting the center of the Milky Way Galaxy
E) typical speeds of stars in the local solar neighborhood relative to us
the speed of our solar system orbiting the center of the Milky Way Galaxy
Earth's orbital speed about the Sun
the speeds of very distant galaxies relative to us
Earth's speed of rotation on its axis
A) Earth's orbital speed about the Sun
Earth's speed of rotation on its axis
Earth's orbital speed about the Sun
typical speeds of stars in the local solar neighborhood relative to us
the speed of our solar system orbiting the center of the Milky Way Galaxy
the speeds of very distant galaxies relative to us
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Diffraction Gratings: Monochromatic light of wavelength 500 nm is incident normally on a diffraction grating. If the third-order maximum of the diffraction pattern is observed at 32° from the centerline, what is the distance between the slits of the grating?
A. 0.93 ?m B. 1.4 ?m C. 2.8 ?m D. 8.5 ?m
Stellar parallax provides concrete proof that the
A) Earth rotates on its axis B) Earth is roughly spherical C) Earth moves around the Sun D) Moon moves around the Earth
How does Pluto's behavior at perihelion support its planetary status?
What will be an ideal response?
Why is Jupiter denser than Saturn?
A) The extra mass of Jupiter compresses its interior to a greater extent than that of Saturn. B) It is made of a different composition than Saturn, including a higher proportion of hydrogen compounds and rocks. C) Its core is much larger than Saturn's. D) It has a greater proportion of helium to hydrogen compared to Saturn. E) Scientists do not know why this is so.