Transcript Where do planets get their light?

Where do planets get
their light?
From the sun
What is the sun?
• A medium sized star around
which the planets revolve
What is the brightest
and largest light we
see at night?
• The moon
What does waning
mean?
• Getting smaller- shrinking
light
What are moon
phases?
• Different amounts of
sunlight reflected off the
moon
What does a star
do?
• Burns gasses and creates
light & heat
True or False
Did the President
John F. Kennedy
vow to put a man
on the moon? • TRUE
What is the fraction
comparing the
moon to the Earth?
• 1/4
What are
astronomers?
• People who study planets,
moons, and stars
What is the order
of a lunar eclipse?
• Sun, Earth, Moon or
• Moon, Earth, Sun
What is the
Earth’s only
natural satellite?
• The moon
What features will
you see on the
moon’s surface?
• Craters, mountains,
or seas (plains)
What causes the
tides?
• The moon’s gravity
Would you weigh
more or less on the
moon?
• Less because the moon has less
gravity than the Earth
What is the
order of a solar
eclipse?
• Earth, Moon, Sun
• Or
• Sun, Moon, Earth
When does the
moon have a
reddish glow?
• Lunar eclipse
How did the
moon form?
• Maybe when an object collided
with Earth creating a ball of gas
and dust that formed the moon
When was the
moon thought to
be formed?
• About 4.5 billion years ago
What formed the
craters on the
moon?
• Meteoroids hitting its surface
What is it called
when there are
two full moons
in a month?
• Blue Moon
How long
does a solar
eclipse last?
• About 7 ½ minutes
Is there life on
the moon?
• No, because there is no
atmosphere or water?
What are the
phases of the
moon?
•
•
•
•
•
•
•
•
•
New moon
Waxing crescent
Waxing 1st qtr moon-half
Waxing gibbous
Full moon
Waning gibbous
Waning 3rd qtr moon-half
Waning crescent
New moon
Who was
involved in
the space
race?
• USA versus
the Soviet
Union
What is the
moon made of?
• Rock, dust and space debris
What is an orbit?
• A path of an object around another object
Does the moon
make it own light?
• No, it reflects the sun’s light
Who was the first
person to walk on the
moon?
• Neil Armstrong
Who was Neil
Armstrong’s partner?
• Edwin “Buzz” Aldrin
What date did
Neil Armstrong
walk on the
moon? • July 20,
1969
What did Neil
Armstrong say?
• “One small step for man, one
giant leap for mankind”
What is a satellite?
• An object orbiting a larger
object
How long does it
take the moon to
orbit the Earth?
• About 1 month
How far away is
the moon?
• About 238,900 miles away
How many moons
does Earth have?
• one
What is the Latin
word for moon?
• Luna or lunar
Does the moon
change shapes?
• No
What is the
another word
for sun?
• sol
What holds the
moon in orbit
around the Earth?
• Earth’s gravity
Do all planets
have moon?
• No – Mercury and Venus
doesn’t
What are two
movements the
moon makes?
• Rotation and revolution
•
How are the rotations
and revolutions of the
moon and Earth
different?
The moon’s
rotation and
revolution is
about the
same
• The Earth
rotation takes
much less
time than its
revolution
What should
one never do
during a solar
eclipse?
• Look directly at
the sun
What are tides?
• The rising and falling of the
oceans caused by the
moon’s gravity
How often do
high and low
tides occur?
• Every 13 hours
What does waxing
mean?
• Getting bigger- light is growing
How long can a
lunar eclipse last?
• Up to 3 ½ hours
What are tools
for seeing the
moon?
• Telescopes and binocular
Can
planets • Yes
have more • Mars has twoPhobos and
than one
Deimos
moon? • Saturn has the
most
Do we see both
sides of the moon?
• No we see the same side
What should you
call the “dark side”
of the moon?
• The Far Side
What do the
phases of the
moon depend on?
• Position of the earth,
moon, and sun