Chapter #2 Flashcards
The distance to bodies in the solar system are a few light minutes to light hours.
True
If a star rises about 9 PM tonight, and with the sidereal day being four minutes less than the solar one, then ina month it will rise about 7 PM.
True
A light-year is a measurement of time
False
It was Aristotle who used the scientific method to show the Earth was a sphere.
True
Constellations are close clusters if stars, all at about the same distance from the Sun.
False
From the South Pole, would appear directly overhead.
False
Only at the equator are all the stars visible over the course of the year.
True
Over the course of a night, Polaris moves less than any other visible star in the sky.
True
Which of these was NOT a part of the original Copernican model?
Mercuary speeds up at perihelion, and slows at aphelion.
Which of the statments is part of both the Ptolemaic and Copernican models?
The Moon orbits the Earth once a month.
Which of these was NOT seen telescopically by Galileo
Stellar parallax
Which of the following is a contribution to astronomy made by Galileo?
all above
It took two centuries for the Copernican model to replace the Ptolemaic model because
there was not scientific evidence to support either model until Galileo made his observations.
Kepler’s first law worked, where Copernicus’ original heliocentric model failed, because Kepler described the orbits as:
elliptical, not circular
The most accuarte Greek attempt to explain planetary motion was the model of
Ptolemy
