NEW
Font size
WorksheetsQuiz - 22.19 Comets
Total questions: 10
Worksheet time: 3mins
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
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
In the early solar system, comets that struck Earth may have brought in
Water
Plankton
Advanced life
All of these
The Kuiper belt is home to
Dwarf planets
Asteroids
Short-period comets
All of these
