Astronomy 1

Which of following is the smallest?

• the milky way galaxy

• the solar system

• the virgo super cluster

• the universe

Define Astronomy

• the study of stars

• the study of the sky and the atmosphere

• How star constellations affect our personalities

• the study of the universe beyond earth's atmosphere

Which of the following is not a legitimate branch of science

• astrophysics

• astronomy

• astrology

• biology

List the following items from smallest to largest.

• universe, planet, solar system, galaxy

• galaxy, solar system, universe, planet

• Planet, solar system, galaxy, universe

• solar system, universe, planet, galaxy

The Big Bang Theory explains the formation of the...

• Earth

• Sun

• Universe

• Solar System

What were the original two elements in our universe? If you don not recall this from one of the videos use the internet.

• Lithium and Carbon

• Hydrogen and Neon

• Helium and Chlorine

• Hydrogen and Helium

This type of reaction occurs when light nuclei combine to form a larger, single nucleus. If you do not recall this from one of the videos use the internet.

• Fission

• Fusion

• single displacement

• double displacement

Light Years are a measure of:

• time
• speed
• distance
• light

A light year is...

• The speed light travels
• How long it takes light to get to you from the sun
• The distance light can travel in a year
• How many years it takes light to be emitted

Proxima Centauri is the closest star to Earth after the Sun and is located 4.3 light years away from Earth. How long does it take light from Proxima Centauri to reach Earth?

• 1 year
• 4.3 years
• 43 years
• 10 trillion years