Science Questions
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The geocentric model was supported by Aristotle because a. stars didn't seem to show any parallaxb. we don't feel as though Earth movesc. objects fall towards the Earth, not the Sund. we don't see an enormous winde. all of the above were valid reasons
How did the geocentric model account for day and night? a. The Moon rotatedb. The Earth revolved around the Sunc. The Sun orbited Earthd. The Sun rotated
Earth is closer to the Sun in January. From this fact, Kepler's Second Law tells us that a. Earth orbits faster in Januaryb. Earth orbits slower in Januaryc. Earth's orbital speed doesn't changed. none of the above
Stars in the central bulge of the galaxy follow elongated orbits tipped steeply to the plane of the disk.
Copernicus' important contribution to astronomy was a. proving that planets move around the Sun in elliptical orbitsb. proposing a simpler model for the motions of planets in the solar systemc. discovering the four moons of Jupiterd. the theory of gravity
William and Caroline Herschel's map included four of the following hypotheses in their model of the galaxy. Which one was the exception?a.They placed the Sun in the center of the galaxy.b.They thought that the "holes in the sky" were caused by interstellar dust clouds.c.They provided accurate measurements of the distances to stars.d.They found errors caused by a lack of knowledge of the interstellar medium.e.They proposed that the galaxy had a disk shape.
Kepler's Third Law relates a planet's distance from the Sun to its orbital a. periodb. shapec. speedd. density
A light year is a measure of _________________. a. Massb. Distancec. Temperatured. speed
Kepler's First Law of Planetary Orbits states that a. planets orbit the Sunb. orbits are non-circularc. orbits are elliptical in shaped. all of the above are correct
Super clusters are a. 1024 m acrossb. 1021 m acrossc. 1019 m acrossd. 1015 m across
Considering the Moon's phases, everyone on Earth sees a. the same phase in 24 hoursb. a lunar eclipse once a monthc. different phases in 24 hoursd. different sides of the Moon
Precession is caused by a. the weight of the ice at the polesb. the rotation of Earth's molten corec. the gravitational pull from cometsd. the gravitational pull of the Sun and Moon
A solar eclipse would most likely happen a. every month at new moonb. every month at full moonc. every year at new moond. about every six months at new moon
Epicycles were used in Ptolemy's model to explain a. why Earth was at the centerb. why Earth wobbled on its axisc. why planets moved in the skyd. why retrograde motion occurred
Which of the following postulated three "laws" of planetary motion? a. Galileob. Newtonc. Tychod. Kepler
The heliocentric model assumes a. The Sun is at the center of the Solar Systemb. Earth's axis wobbles over 26,000 yearsc. Planets move on epicyclesd. The Earth is the center of the Solar System
Which of Galileo's initial observations was most challenging to established geocentric beliefs? a. moons of Jupiterb. craters on the Moonc. stars of the Milky Wayd. lunar maria
According to Newton's Law of Gravitation, if you were to double the mass of one of the bodies and double the distance between the two bodies, the gravitational force between the two bodies would
Stars in a constellation are a. the same brightnessb. about the same agec. in the same part of the skyd. physically close to each other
Constellations appear to move across the sky because a. The Earth orbits the Sunb. The Earth spins on its axisc. The Moon orbits the Earthd. The stars are in constant motion