ASTR 102 Actual exam With Questions & 100% Solutions| A Guaranteed
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Course
ASTR 102
Institution
ASTR 102
What is a falling star? - Debris from a comet or asteroid that has fallen and is evaporating.
What is the farthest object in our Solar System? - The Oort Cloud
Describe the Oort Cloud - 1. Made up of Comets - icy dirty glaciers
2. Comets: the melted debris that is trailing behind us because it i...
ASTR 102 Actual exam With Questions
& 100% Solutions| A Guaranteed
What is a falling star? - ✔✔Debris from a comet or asteroid that has fallen and is evaporating.
What is the farthest object in our Solar System? - ✔✔The Oort Cloud
Describe the Oort Cloud - ✔✔1. Made up of Comets - icy dirty glaciers
2. Comets: the melted debris that is trailing behind us because it is being pulled by the Sun and shrinking
and melting.
Terrestrial Planets - ✔✔1. Earth like
2. Earth is the largest
3. Few to NO moons
4. Little to NO atmosphere
5. Dense objects
Mercury, Venus, Earth, Mars
How many moons does Mars have? - ✔✔2, Phobos and Deimos
What Planet is the largest Terrestrial Planet? - ✔✔Earth
Does Mercury have an atmosphere? - ✔✔No
Venus' atmosphere is thicker than hours? True or False? - ✔✔True
Mars has a thin atmosphere? True or False? - ✔✔True
, Jovian Planets - ✔✔Jupiter, Saturn, Uranus, and
Neptune 2. They are gaseous
3. Virtual atmosphere all the way through
4. Dozens of moons
5. All have ring systems
6. Less dense
7. Many Moons
8. Saturn only thing in the solar system less dense than water
What is the only thing in the solar system less dense than water? - ✔✔Saturn
Describe Dwarf Planets - ✔✔1. Enough mass to be round in shape: gravity holds them together
2. Tiny, small
3. Has not cleared it or it which means it doesn't have enough mass mime gravity to move other
objects around
Pluto
Ceres
Eris
Haumea
Makemake
Where is 99% of all the mass in the Solar System? - ✔✔Sun 99%, 3/4% Jupiter
1930 Pluto - ✔✔1. 30degree tilt
2. Never thought it was a planet but didn't have a name for what it was. Named it a Planet.
3. Pluto has 5 moons: its biggest Moon is half of Pluto's size: Sharron (size smaller than the US)
2003 Eris - ✔✔1. Finding orbit and mass and diameter: in Kuiper belt & is bigger than Pluto.
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