Comets: Question Preview (ID: 9783)

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Comets tails always point ______________the Sun.
a) toward
b) away from
c) at a 45 degree angle to
d) at a 60 degree angle to

What forms the dust and gas tails of a comet?
a) the solar wind
b) the Sun's gravity
c) the comet's motion
d) the freezing of the corona

A comet that approaches the Sun every one hundred years would be classified as a ________________ comet.
a) long-period
b) short-period
c) random-period
d) medium-period

When Earth runs into the dust trail left behind by a comet that is orbiting the Sun, Earth experiences a ______________.
a) comet strike
b) partial eclipse
c) meteor shower
d) Tunguska event

Where do long period comets spend most of their existence?
a) near the Sun
b) in the Oort Cloud
c) in the Kupier Belt
d) between the orbits of Mars and Jupiter

On a scale of 1 to 10, with 1 being very unlikely and 10 being very likely, how likely is it that a comet will strike the Earth during your lifetime?
a) 1
b) 4
c) 7
d) 9

When a long-period comet is farthest from the Sun in its orbit, which features of the comet exist?
a) coma
b) gas tail
c) nucleus
d) dust tail

Where do short-period comets originate?
a) Oort Cloud
b) Kupier Belt
c) main asteroid belt
d) Trojan asteroid belt

_______________ have a nearly circular orbit.
a) Comets
b) Asteroids
c) Meteorites
d) Meteoroids

What is the cloud of gases that forms around the nucleus of a comet called?
a) coma
b) gas tail
c) dust tail
d) Giant Red Spot

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