Comets may be visible with the naked eye

• Never

• For a short time when they are near the Sun

• During their entire journey around the Sun

• None of these

Halley’s comet, with a period of 75 years, will next be seen in _____.

• 2045

• 2050

• 2061

• 2090

Tags

NGSS.MS-ESS1-3

Possibly the most famous comet, Halley’s, has a period of ____ and will next be seen in ____.

• 75 years; 2061

• 50 years; 2053

• 25 years; 2035

• 100 years; 2082

Comets are made of ice, dust, and small rocky particles.

• True

• False

A thin, temporary atmosphere around a comet is called a(n) _____.

• Kuiper belt

• Nebula

• Asteroid

• Coma

A small, icy object with a bright tail in orbit around the Sun is known as a comet.

• True

• False

Comets remain frozen in the _____ solar system.

• Inner

• Outer

• Whole

• Extra

The Oort Cloud is closer to the Sun than the Kuiper Belt.

• True

• False

Tags

NGSS.MS-ESS1-3

In the early solar system, comets that struck Earth may have brought in

• Water

• Plankton

• Advanced life

• All of these

Tags

NGSS.MS-ESS2-4

The Kuiper belt is home to

• Dwarf planets

• Asteroids

• Short-period comets

• All of these