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Solar System Basics

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by

Rod Williams

on 14 May 2017

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Transcript of Solar System Basics

Outer planets
The Sun
Inner Planets
2 Far Out Places
What about Pluto?
OK, that is was an overview...
Solar System Basics
Click through this Prezi the same way you would a power point. Try a few.

Click the space bar, now...
Nice... Codeword -
Omaha
. Click the right arrow, now...
Nice... Codeword -
Galaxy
. Click either of those the rest of the way
a) At the center
b) 99.85 % of all mass!
c) Made of about 92% H and about 8 % He.
Symbol -
Things they have in common:
1)Small
2) Close to Sun
3) Dense and rocky
4) Short orbital periods
5) Few moons
6) No rings
Things they have in common:
1)Far from Sun
3) Gassy
2) Large
4) Many moons
5) Long orbital periods
6) Rings
1) Kuiper Belt
...say "kyper", rhymes with viper
2) Oort Cloud
...say "orte", rhymes with court
It is a planet, it was a planet, it's not a planet...
What the heck?
Reasons Pluto is no longer considered a planet
What it is not
- like the 4 gas giants
- orbit in the plane of the ecliptic
- cleared out orbit
- slightly elliptical orbit
What it is
- like many of the Kuiper belt objects
- very elliptical orbit
- small, icy ball
Sorry Pluto, not a Planet...
...but, you are a dwarf planet!
And, the first ever Kuiper Belt object discovered, woohoo!
Check this link for some interesting facts about Pluto, like...
Who discovered it
Where it's name came from
Why it was "demoted"
http://www.space.com/43-pluto-the-ninth-planet-that-was-a-dwarf.html
Time for some more detailed information about each place.
Mercury
Venus
Earth
Mars
Oh yea... between Mars and Jupiter
1) where we divide inner and outer planets
2) Asteroid belt
a) millions of small objects
b) gravitationally locked into orbit
c) occasionally, one is thrown out of orbit and makes an encounter with Earth
Jupiter
Saturn
Uranus
Neptune
Jovian Moons
1) also called Galilean moons because Galileo first discovered them.
2) one of the best things to look at in the night sky
3) could be some very interesting things going on there
Ganymede
4) named after Zeus' nymphs
Callisto
Io
Europa
A little bit on distance in space
AU -
1) Astronomic Unit
2) The average distance from the Earth to the Sun
3) About 92 million miles
Light Year -
1) the distance light travels in a year
2) 2.4 x 10
13
3) That's 24,000,000,000,000 miles
miles
Parsec -
1) Has to do with very small angles
2) Equals 3.62 ly
For each of the 8 planets record the following information
Distance to Sun
Equivalent Earth diameters
# of moons
Length of:
-day
-year
2 interesting facts
Take a quick break from the planet info to checkout the 4 major moons of Jupiter
At last count Jupiter had 67! But let's just worry about the big 4 for now...
Large
Mix of slushy ice and rocks
You should probably go back to the last slide and write down those things if you didn't already.
Really, do it...
Do it now!
Go to this website for the planet info...
https://lco.global/spacebook/solar-system/
Or, go to your own spot if you need to be a rebel...
2nd Largest
Recent evidence suggests it might also have water...
Lots
of volcanoes
Gives the surface cool colors
Ice covered, but...
HUGE
ocean beneath.
Good chance some stuff lives there.
For some interesting trivia...
...scroll manually beneath 2 of the s' in the title of this prezi...
...check the two green squares.
Most moons -
Jupiter
Hottest temp -
Venus
No moons -
Mercury
...and...
Venus
Nebular theory of Solar System formation:
1) Large cloud of dust and gas
2) Gravity caused it to contract and spin
3) Heavy elements stayed close to center, inner planets
4) Lighter elements pushed out by Proto-sun, outer planets
Check here for some more detailed information -
http://solarsystem.nasa.gov/planets/profile.cfm?Object=KBOs
Full transcript