The planet Venus can never reach which planetary configuration when viewed from Earth? opposition superior conjunction inferior conjunction greatest elongation The...

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Physics

The planet Venus can never reach which planetary configurationwhen viewed from Earth?
opposition
superior conjunction
inferior conjunction
greatest elongation
The strength of gravity on Mars is about 40% of that on Earth.If you were to take a standard red brick to Mars, which property ofthe brick would be significantly different on Mars than onEarth?
mass
color
volume
weight
The reason Copernicus' heliocentric theory soon came to beregarded as preferable to the geocentric theory of Ptolemy is thatthe heliocentric theory accounted for
the observed motions of the planets using complex constructionscalled epicycles and deferents, so it was considered more reliablethan the geocentric theory.
the same observed motions of the planets as the geocentrictheory but did so in a much simpler way.
retrograde motion, which the geocentric theory was unable toexplain.
the same observed motions of the planets as the geocentrictheory but did so much more accurately.
which one plz hurry

Answer & Explanation Solved by verified expert

3.9 Ratings (373 Votes)

(a)

Answer: opposition

The planet Venus can never reachÂ Â planetary configuration when viewed from Earth is opposition.

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(b) Answer : weight

Mass is amount of matter contains in the objects. It is an independent quantity. It does not depend on the gravity. That means it does not vary from place to place.

Therefore, the mass is same either on earth or on Mars.

The weight is gravitaional pull acting on pbjects. The gravity is different from one planet to other.Therefore, we observe significant change in weight.

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accounted for the same observed motions of the planets as the geocentric theory but did so in a much simpler way.

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