Unit 7 Lesson 3 Vocabulary

Nearly round bodies whose orbits cross the orbits of other bodies.

• comet

• planet

• moon

• dwarf planet

Tags

NGSS.MS-ESS1-2

Huge balls of hot, glowing gases that produce their own heat and light.

• star

• meteor

• galaxy

• asteroid

Meteoroids that reach Earth's surface

• asteroid

• meteoroid

• comet

• meteorites

The measure of luminosity of a star as seen from Earth.

• universe

• apparent brightness

• absolute brightness

• light-year

A star and the planets and other space objects that revolve around it.

• revolution

• solar system

• rotation

• moon

Tags

NGSS.MS-ESS1-2

A chunk of frozen gases, rock, ice, and dust.

• asteroid

• meteor

• comet

• meteoroid

everything that exists

• galaxy

• light-year

• universe

• astronomy

Tags

NGSS.MS-ESS1-3

Movement in a circle round an axis

• revolution

• moon

• meteorite

• rotation

the planets that are the farthest from the sun

• inner planets

• outer planets

Tags

NGSS.MS-ESS1-3

The study of objects in space and their characteristics.

• apparent magnitude

• universe

• astronomy

• star

Tags

NGSS.MS-ESS1-3