ch. 27-28 Jeopardy Astronomy

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Transcript ch. 27-28 Jeopardy Astronomy

Ch 27 & 28 Astronomy
Early Models
and
Astronomers
Planets
May the
Force be with
you
Shoot for
the Moon
Objects in
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Space
Model where planets revolve
around the Earth
Answer
Geocentric
Home
What astronomer proposed the Geocentric
model?
Answer
Aristotle
Home
Who proposed the
Heliocentric model?
Answer
Copernicus
Home
The law that describes the
path of a planet that orbits
the sun is called ________
Answer
Law of Ellipses
Home
What astronomer said
planets moved in
epicycles, which are little
circles as they went
around Earth?
Answer
Ptolemy
Home
What is the least dense planet
that also has bands and rings
made of dust and ice?
Answer
Saturn
Home
What is the largest planet
in the solar system?
Answer
Jupiter
Home
Planet who’s axis is
almost parallel to its
plane of orbit
Answer
Uranus
Home
What planet gets its color
from large amounts of
methane?
Answer
Uranus
Home
What 2 inner planets are
most alike in their size
and mass?
Answer
Venus and Earth
.
Home
Degree of elongation
of an elliptical orbit
Answer
Eccentricity
Home
The time required for a body to complete a single orbit
Answer
Orbital Period
Home
Force that PULLS on a
body in space
Answer
Gravity
Home
When a moving body
remains in a constant
motion unless acted on by
an outside force
Answer
Inertia
Home
Pattern in which is
appears as though the
planets are moving
backward relative to the
stars
Answer
Retrograde Motion
Home
The force of gravity
between Earth and moon
cause _____ in bodies of
water
Answer
Tides
Home
Dark areas on the moons
surface
Answer
Mare
Home
When the lighted part
of the moon appears
to increase, the moon
is said to be
__________.
Answer
Waxing
Home
This occurs when the
shadow of one celestial
body falls on another
celestial body
Answer
Eclipse
Home
Name one lunar surface feature
Answer
Answers may include: Mare,
rilles, ridges, craters,
regolith
Home
Fragments of rock that orbit
the sun
Answer
Asteroid
Home
Small bodies of ice, rock and
dust that follows highly
elliptical orbits around the
sun
Answer
Comets
Home
Any part of a meteoroid that
didn’t burn up when
entering the Earth’s
atmosphere and reached
Earth’s surface
Answer
Meteorite
Home
Region that starts beyond
Neptunes orbit which
contains dwarf planets and
other small bodies of ice
Answer
Kuiper Belt
Home
Large cloud of dust and ice
believed to hold nuclei of
billions of comets and
possible origin of our comets
Answer
Oort Cloud
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