Title: A History of Our Knowledge of the Solar System

Aristotle

Fill in the Blanks

Q: Ancient Greek Aristotle (in 350BC) proved that Earth is spherical from Earth's [...] on the Moon during Lunar [...].
A: shadow; eclipse

Eratosthenes

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Q: Ancient Greek Eratosthenes (in 240BC) calculated Earth's [...] during summer [...] by using simply geometry.
A: circumference; solstice

Claudius Ptolemy

Fill in the Blanks

Q: Claudius Ptolemy's [...] (in 150AD) was considered one of the most important scientific works of all time, cause it was an extended documentation of the collective [...] knowledge from the prior few centuries.
A: Almagest; astronomical

Middle Ages

Q: Middle Ages was a quiet time for European Astronomy, but a golden age period for Indian and Persian Astronomy.
A: true

Heliocentric model

Q: Which one of the following European astronomers first suggested the Heliocentric model?
- Aristarchus of Samos (ancient Greek) (correct)
- Nicolaus Copernicus (Polish)
- Galileo Galilei (Italian)

Inventor of telescope

Q: Galileo Galilei first invented the telescope to observe the Moon.
A: false
If wrong: The earliest existing record of a telescope was a 1608 patent submitted to the government in the Netherlands by Middelburg spectacle maker Hans Lippershey for a refracting telescope. The actual inventor is unknown but word of it spread through Europe. Galileo heard about it and, in 1609, built his own version, and made his telescopic observations of celestial objects.

Johannes Kepler

Q: German astronomer Johannes Kepler stated that planets don't revolve in perfect circles, but rather ellipses, while their velocity is not constant.
A: true

Isaac Newton

Fill in the missing words

Q: Isaac Newton is famous for his law of universal [...], which explains gravity is the [...] that causes planets to orbit the Sun or an apple's falling from a tree.
A: gravitation; force

William Herschel

Fill in the missing words

Q: British astronomer William Herschel discovered planet [...] in 1781AD.
A: Uranus

Planets

Q: How many planets astronomy textbooks listed till 1845AD, cause of the asteroid belt which exists between Mars and Jupiter?
- 11 (correct)
- 5
- 9
- millions

Johann Gottfried Galle

Fill in the Blanks

Q: German astronomer Johann Gottfried Galle discovered planet [...].
A: Neptune

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