Why don't we measure in meters and kilometers in space?

• Because the distance is too great for those units to be practical

• Because astronomers prefer to use their own units of measurement

• Because the speed of light makes it difficult to use traditional units of measurement

• Because meters and kilometers are not recognized by the scientific community for measuring astronomical distances

It takes 5-20 min to send a radio signal to ____

• Mars

• Venus

• Jupiter

• Saturn

Tags

NGSS.MS-PS4-1

How do astronomical units and light years compare in distance?

• Astronomical units and light years are not used to measure distance

• One astronomical unit and one light year are approximately the same distance

• One light year is greater than one astronomical unit

• One astronomical unit is greater than one light year

It takes 1 hour and 20 min to send a radio signal to ____

• Mars

• Venus

• Jupiter

• Saturn

What is a satellite?

• type of star that emits radio waves

• An artificial object that orbits the Earth or another planet

• A moon that orbits a planet

• A small planetoid that orbits the sun

A _____ is a object that massive enough for its own gravity and orbits a star.

• Moon

• Satellite

• Planet

• Coment

Tags

NGSS.MS-ESS1-2

NGSS.MS-ESS1-3

Pluto is a

• Planet

• White Dwarf

• Dwarf Planet

A small, rocky object that orbits the sun is a/an ______

• Asteroid

• Comen

• Meteoroid

The biggest asteroid is called _____.

• Ceres

• Eris

• Chelyabinsk

• Levy

Tags

NGSS.MS-ESS1-3

The biggest asteroid is the size of Texas and can be found in between which two planets?

• Mars and Jupiter

• Jupiter and Saturn

• Earth and Venus

• Mars and Earth

Tags

NGSS.MS-ESS1-3