Astronomy 2025 Practice Final

This Greek astronomer was able to measure the circumference of the Earth back in 240 BC by observing shadows.

• Polaris

• Democritus

• Eratosthenes

• Leonidas

This German astronomer studied under Tycho Brahe, and used his data collection to produce three laws of planetary motion.

• Jeppe

• Hipparchus

• Johannes Kepler

• Albert Einstein

Tags

NGSS.HS-ESS1-4

Which of the following descriptions best describes Hubble's Law?

• Cepheid stars pulsate at a rate proportional to their size

• The faster one moves, the slower time moves in their reference frame

• Celestial objects that are further away are receding away faster

• The faster one moves, the more massive they become

Tags

NGSS.HS-ESS1-2

A star’s structure is the constant push and pull between two forces. What are these two forces?

• Electromagnetic and gravity

• Electromagnetic and nuclear fusion

• Weak and strong nuclear force

• Gravity and nuclear fusion

Tags

NGSS.HS-PS1-8

Which law/observation did NOT help to support the formation of the Big Bang Theory?

• Cepheid variables

• Elliptical orbits of planets

• Cosmic Microwave Background

• Hubble’s Law

Tags

NGSS.HS-ESS1-2

The brightest star in this constellation is Alioth, from the Arabic alyat, meaning 'fat tail of a sheep.' It also contains the Big Dipper as an asterism.

• Canis Major

• Orion

• Cancer

• Ursa Major

This planet is the home to the four Galilean Moons: Io, Europa, Ganymede, and Callisto.

• Mars

• Saturn

• Jupiter

• Mercury

Tags

NGSS.HS-ESS1-4

Hot stars are _____ while cool stars are _____

• Blue; Red

• Red; Blue

• Red; Orange

• Yellow; Blue

What does the Big Bang Theory state?

• As you approach the speed of light, time slows down relative to a stationary observer

• The universe is static and unchanging

• The universe began as a small, hot, dense point before rapidly expanding into the universe we know today

• Black holes are the gateways to another universe

Tags

NGSS.HS-ESS1-2

This constellation is within the constellation Taurus, and Orion’s belt can be used as a pointer to see this fuzzy point in the night sky. More of a cluster of stars than a constellation, nearly every culture had an omen related to it.

• Pleiades

• Southern Cross

• Libra

• Andromeda