Comets & Meteors (10)

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Transcript Comets & Meteors (10)

Comets &
Meteors
Asteroids &
their Belt
Outer
Planets
Dwarf
Planets
Far
Out!
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Comets & Meteors (10)
Which – comets or meteors –
appear from time to time in
Earth’s atmosphere?
Comets & Meteors (20)
The word “comet” come from a
Latin word meaning...
Comets & Meteors (30)
Complete the sequence:
Meteoroid, meteor, …
Comets & Meteors (40)
What the relationship between
comets and meteor showers?
Comets & Meteors (50)
Which is larger? A comet’s
nucleus, tail, coma, or head?
Asteroids & their Belt (10)
Between which two planets is the
main asteroid belt located?
Asteroids & their Belt (20)
Asteroids are composed primarily
of what two main ingredients:
metals and …
Asteroids & their Belt (30)
Do astronomers believe that the
asteroids were once a planet that
was pulled apart by Jupiter’s
gravity?
Asteroids & their Belt (40)
Do Earth-orbit crossing asteroids
exist?
Asteroids & their Belt (50)
Is there any evidence that Earth
has been hit by an asteroid, even
once?
Outer Planets (10)
Which of the following is NOT a
planet according to astronomers?
Uranus, Neptune, Pluto
Outer Planets (20)
Are Uranus and Neptune
considered by astronomers to be
rocky, gaseous, or icy planets?
Outer Planets (30)
Which of the outer planets – if
any – spins like planet Venus
(backward)?
Outer Planets (40)
Every other century, Pluto crosses
over which outer planet’s orbit?
Outer Planets (50)
What is it about the outer planets
that their atmospheres appear
blue or blue-green?
Dwarf Planets (10)
Pluto is no longer considered a
planet by most astronomers.
What classification do they use
for it today?
Dwarf Planets (20)
Has a space probe from Earth
ever visited a dwarf planet?
Dwarf Planets (30)
Is it true that Pluto is the largest
of all the dwarf planets?
Dwarf Planets (40)
Are the largest asteroids
nowadays considered to be
classified among the dwarf
planets?
Dwarf Planets (50)
Give the name of the largest
known dwarf planet orbiting the
sun.
Far Out! (10)
What is the name of the belt in
the deep solar system from
where comets typically come?
Far Out! (20)
What is the name of the cloud of
comet bodies that generally is
considered the outermost
portion of the solar system?
Far Out! (30)
What is the name of the solar
boundary that is the farthest
extent of the solar system?
Far Out! (40)
What is the name of the star
located nearest to Earth?
Far Out! (50)
Which is more distant, the solar
system’s “deep freezer” of comet
bodies or Alpha Centauri located
a mere 4.3 light years distant?