WARM-UP # 32 Which planets are the terrestrial planets and which

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Transcript WARM-UP # 32 Which planets are the terrestrial planets and which

Warm-Up #27
How far apart are the inner planets
compared with the inner planets? What
are the inner planets? What are the
outer planets?
The inner planets are close together
and the outer planets are farther apart.
The inner planets are Mercury, Venus,
Earth, and Mars.
The outer planets are Jupiter, Saturn,
Uranus, and Neptune.
Warm-Up #28
Which planets are terrestrial (rocky?) and
which planets are gaseous?
Mercury, Venus, Earth and Mars are
Jupiter, Saturn, Uranus, and Neptune
are gaseous.
Warm-Up #29
A. What do all of the planets revolve
B. Which planet has the most moons?
Warm-Up #30
What is the difference between
meteor, meteorite, meteoroid?
The Quick Trick: Oids are outside
the atmosphere, ites are inside it,
and meteors are in between.
In the frozen void it's a meteoroid.
In the atmosphere it's a meteor.
At the impact site it's a meteorite
Warm-Up #31
What are asteroids? Where are most
asteroids in our solar system located?
What else are asteroids known as?
Asteroids are small, rocky worlds.
Most asteroids revolve around the sun
between the orbits of Mars and
Asteroids are also known as
WARM-UP # 32
Which planets are the terrestrial planets and
which planets are the gas planets? What are
three of their primary differences?
The terrestrial planets are made of rock, smaller,
closer together, do not have rings, and are closer
to the sun.
The gas giants are made of gas, huge, farther
apart, all have rings, and are farther from the
WARM-UP # 33
Why isn’t Pluto a planet
anymore? What makes it a
dwarf planet?
Pluto does not clear
its orbit. There are
many space objects
in Pluto’s orbit.
WARM-UP # 34
What is a light year?
A light year is the distance that light travels in
one year.
WARM-UP # 35
A – How many asteroids are in the asteroid belt?
Over 1 million
B – Why does Mars have seasons?
Tilt and revolution
WARM-UP # 36
What is a star?
A star is a large, hot ball of gas which is held
together by its own gravity and gives off its
own light.
Warm-UP #37
What is the asteroid belt from?
The remains of a 5th terrestrial
WARM-UP # 38
What is the magnitude of a star? What is the
difference between apparent magnitude and
absolute magnitude?
The magnitude of a star is the BRIGHTNESS.
ABSOLUTE – actual brightness
APPARENT – how bright is appears
What colors are the coolest stars? What
color are the hottest stars?
Cool stars are red
Hot stars are blue.
WARM-Up 40
What is an H-R diagram?
An H-R diagram compares the
temperatures and absolute
magnitudes (brightness) of stars.
Warm-Up # 41
What is a main sequence star?
What is an example of a main
sequence star?
A main sequence star is a star
fusing hydrogen into helium. It is
very stable and considered an
“adult” star.
Warm-Up # 42
You are in East Hanover. The sun rises at
5:42AM and sets at 8:44PM.
What season is this?
Why is it this season?
It is summer. The Earth is tilted toward
the sun so Earth is receiving more direct
sunlight and the days are longer.
WARM-Up # 43
What do you call it when a star’s core continues to
shrink and the surface heats up? What is the
name of this hot and dense core of a star?
WARM-Up # 44
What is another name for
a black hole? What is the
name for death by black
A black hole
is also known
as a
is death by
black hole.
WARM-UP # 45
What holds all of the planets in place
in our solar system and why?
The planets are held in place by the
Sun's gravity. The Sun is the largest
object in the solar system, its
gravitational force extends far out
into the solar system.