How did the geocentric model and the heliocentric model of the universe explain retrograde motion?
What will be an ideal response?
The geocentric model relied on epicycles to explain retrograde motion. In the heliocentric model, Earth moves faster along its orbit than the planets that lie farther from the Sun. Consequently, Earth periodically overtakes and passes these planets. The result is retrograde motion as observed from Earth.
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In most months, there are no eclipses
a. True b. False Indicate whether the statement is true or false
List the advantages the Hubble Space Telescope has over ground-based telescopes
What will be an ideal response?
The spring tides occur in spring seasons and the neap tides in autumn.
Answer the following statement true (T) or false (F)
Which geometrical shape has the least surface area for a given volume?
A) cube B) pyramid C) cylinder D) sphere E) none of the above