Question 1

Which observation did the Greeks use as evidence that the Earth is spherical?

Accepted Answer

Earth casts a round shadow on the Moon

Answer

The Sun rises in the east

Answer

Stars change brightness

Answer

Planets move across the sky

Question 2

Which astronomical phenomenon was known before telescopes were invented?

Accepted Answer

Phases of the Moon

Answer

Moons of Jupiter

Answer

Craters on Mars

Answer

Rings of Saturn

Question 3

What observation of ships supports the idea that Earth is curved?

Accepted Answer

The hull disappears first

Answer

The mast disappears first

Answer

Ships fade evenly

Answer

Ships vanish suddenly

Question 4

How did Eratosthenes estimate the size of the Earth?

Accepted Answer

By comparing shadow angles

Answer

By tracking planet paths

Answer

By measuring sea travel

Answer

By timing Earth’s rotation

Question 5

Which group of events could be observed without telescopes?

Accepted Answer

Moon phases and eclipses

Answer

Galaxies and nebulae

Answer

Jupiter’s moons and Saturn’s rings

Answer

Star parallax and sunspots

Question 6

Why was Mars important in Tycho Brahe’s observations?

Accepted Answer

It moved irregularly

Answer

It stayed close to Earth

Answer

It was easy to observe

Answer

It appeared brightest

Question 7

What made Tycho Brahe’s data valuable to later astronomers?

Accepted Answer

It covered many years

Answer

It supported geocentrism

Answer

It used telescopes

Answer

It focused on stars

Question 8

Using Brahe’s data, what did Kepler discover about planetary motion?

Accepted Answer

Orbits are elliptical

Answer

Orbits are circular

Answer

Motion is constant

Answer

Motion is random

Question 9

Why is Brahe considered important in the development of astronomy?

Accepted Answer

He gathered precise data

Answer

He proposed new laws

Answer

He proved Earth was flat

Answer

He rejected observation

Question 10

Which idea best shows how astronomy progressed from Greece to Kepler?

Accepted Answer

Observation led to patterns

Answer

Technology ended debate

Answer

Beliefs replaced evidence

Answer

Science ignored math

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