Scale of Universe

The hottest stars are_______.

• white

• blue-white

• red

• blue

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

The __________________ is made up of all of space and everything in it

• universe

• solar system

• severalverse

• bifrost

A light-year is a measure of

• distance

• time

• velocity

• velociraptor

Astronomers use _________________ to measure the distance to the stars that are within several hundred light-years of Earth.

• parallax

• unilax

• Hertzsprung-Russell equation

• Theory of relativity

A light year is about

• 9.46 trillion kilometers

• 9.46 trillion years

• 300,000,000 m/s

• 300,000,000 km/s

Which of the following is in order from biggest to smallest

• Universe, Galaxy, Comet, Solar System

• Solar System, Comet, Universe, Galaxy

• Universe, Galaxy, Solar System, Comet

• Comet, Solar System, Galaxy, Universe

Name 1 of the 2 units to measure distance in space

Tags

NGSS.MS-ESS1-3

Using the scale above, what is bigger than a solar system from smallest to biggest? (Space every thing out using commas. Ex, "moon, planet")

What is the largest known structure in the universe?

• The Great Wall

• The Milky Way Galaxy

• The Local Group

• The Virgo Supercluster

Which unit is commonly used to express astronomical distances within our solar system?

• Light-year

• Astronomical Unit

• Parsec

• Kilometer