Hierarchical Relationships in Universe

If two stars are 100 light-years apart, what does that mean?

• It would take 100 years for a spaceship to travel between these two stars.

• It takes 100 years for light to travel from one star to the other.

• One of the stars formed 100 years before the other.

• The stars are 100 million kilometers from each other.

Which distance is the greatest?

• the distance across the Milky Way galaxy

• the distance to the nearest star cluster

• the distance across the solar system

• the distance to the nearest galaxy

Which of the following is the correct order of the objects from largest to smallest?

• sun, solar system, Milky Way, universe

• universe, Milky Way, solar system, sun

• Milky Way, sun, solar system, universe

• solar system, universe, sun, Milky Way

Which of the following is the smallest?

• sun

• galaxy

• solar system

• universe

Tags

NGSS.MS-ESS1-3

Gustavo is doing a presentation in class comparing the objects of space by their relative sizes.

If “Z” represents a planet, what would “Y” most likely represent?

• A solar system because it contains planets and stars.

• A nebula because that is what the planets formed from.

• A galaxy because it contains billions of stars and the planets.

• A universe because it contains billions of stars and the planets.

Tags

NGSS.MS-ESS1-3

What is the largest body in our solar system?

• Jupiter

• Earth

• Saturn

• Sun

Tags

NGSS.MS-ESS1-3

Which of the following list the correct hierarchy in the Universe from biggest to smallest?

• Universe, galaxies, solar system, stars and planets

• Planets, stars, solar system, galaxies, universe

• Solar system, galaxies, stars, planets, universe

• Universe, solar system, galaxies, planets and stars

Which is the bigger unit?

• Astronomical Unit (AU)

• Light Year (ly)

Tags

NGSS.MS-ESS1-3

Which unit of measurement would we use to measure the distance between Earth and another body within our Solar System.

• Astronomical Unit (AU)

• Light Year (ly)

• Miles (mi)

• Kilometers (km)

Tags

NGSS.MS-ESS1-3

An Astronomical Unit (AU) is the distance between

• Sun and Earth

• Earth and Moon

• two galaxies

• Mercury and Neptune

Tags

NGSS.MS-ESS1-3