Download Our Solar System Do Nows and Discussions

Do Now: Intro to the Solar System
How big is the solar system? Where does the solar
system end?
1.

Neptune= Neptune, the Solar System would have a
km and a 9.09 billion km diameter.

Sedna=Sedna is three times farther away from Earth than Pluto, making it the
most distant observable object known in the solar system. It is 143.73 billion km
from the Sun, thus giving the Solar System a diameter of 287.46 billion km.
radius of 4.545 billion

A third way to look at the diameter of the Solar System is to assume that it ends
at the edge of the heliosphere. The heliosphere is often described as a bubble
where the solar wind pushes against the interstellar medium and edge of where
the Sun’s gravitational forces are stronger than those of other stars. The
heliopause is the term given as the edge of that influence, where the solar
wind is stopped and the gravitational force of our Sun fades. That occurs at
about 90 AU, giving the Solar System a diameter of 180 AU. If the Sun’s
influence ends here, how could Sedna be considered part of the Solar System,
you may wonder. While it is beyond the heliopause at aphelion, it falls back
within it at perihelion(around 76 AU).
Do Now: Solar System Review
1.
Which planet has huge iron rick core?
Mercury
2.
Which planet has a revolution of 687days?
Mars
3.
Which planet’s day is longer than its year?
Venus
4.
Which planet has a diameter of 74,898 miles?
Saturn
5.
Which planet has the volcano Mat Mons?
Venus
6.
Which is the hottest planet?
Venus
7.
Which planet has the most violent winds?
Neptune
8.
Which planet has soil coated in iron oxide?
Mars
9.
Which planet has carbon dioxide ice on its poles?
Mars
10.
Which planet has a 98° due to a large impact?
Uranus
Grading for End of Earth Project
(30Points) Research- detailed and
completed tables
 (30 Points) Presentation- your personal
statements, facts, knowledge,
ORGANIZATION and fun!
 Props, customs and accents are highly
encouraged!

Do Now: Review for Lab
1.
When was our solar system formed?
4.6 bya
2.
How was our solar system formed and what is the
name of this theory?
The Nebular Theory state that our solar system
formed from a swirling gas cloud (nebula) that was
generated from the supernova of a massive star.
3.
What EVIDENCE is there to support this theory?
The flat planet to which the planets revolve
The characteristics/composition of the planets
Central mass- the sun
4.
What is the shape of the orbits of our planets?
Elliptical- slightly oval rather than circular
5.
How do dwarf planet orbits differ from Terrestrial and
Jovian orbits?
The dwarf have more elliptical orbits
Do Now: Review
What are the three categories of planets?
Terrestrial
Jovian
Dwarf
How does the speed of rotation change with mass?
It increases with mass, Jovian rotate extremely fast,
creating the
unique cloud lines
How does the speed of revolution change as we enter the perihelion?
The planet will speed up when closest to the sun
(observed by Kepler)
What are some of the ways that life could end on earth?
1.
2.
3.
4.
1.
2.
3.
4.
5.
6.
7.
Big Crunch
Big Rip
Aliens
Asteroid
Gamma Ray Burst
Planet X
Sun becomes a red giant
Review of Formation of our Solar System
1.
2.
Why do the inner, terrestrial planets, lack the high gas
composition that the Jovian planets have?
What was the shape of our young solar system, before the sun
and planets formed? Why?