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Uranus

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nicholas hadfield

on 14 December 2016

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Transcript of Uranus

Uranus
Distances:
From Sun: 2 750 000 000 km
From Sun: 19.2 AU
Orbit:
An orbit is "once around" to the exact same place again.
Days:
A Day on Uranus is 17 hours and 41 mins long. But the planet spins on its side!?

Discovered by:
William Herschel
Discovered what he thought was a comet.
Originally called the planet the Georgian star' (Georgium sidus) after King George III.
The name was not accepted outside of Britain however, and took 70 years for astronomers to decide upon Uranus.
"yur-in-us"


Gravity:
Uranus would have a gravity of about 0.9 G, jor 90% as strong as Earth on the outermost layer of the 'surface.'
Temperature:
Maximum Temperature: -153 °C




Minimum Temperature: -218 °C
Circumference:
Uranus' circumference is
160 562 km around!
MASS
Uranus is far less dense than the Earth, but is about
14.5
times more massive due to its size.
Name:
Uranus
Named After
: Father to Kronos, husband to Gaia. Greek God of the heavens.
Orbit (Earth years): 83.7
Atmosphere:
Very thin on outer layers dense near the core due to pressure.

82.5% Hydrogen
15.2% Helium
2.3% Methane

Surface:
Compare the size (not the distance)
Moons:
Rings:
Magnetic Field:
yes

yes
27
How old would you be if you
were a Uranian?
Probes:
It takes years and years for probes to arrive.
Pioneer
Voyager 1 & 2
Cassini
Just gases that get more and more dense under pressure until they turn to liquid.
15 November 1738 – 25 August 1822
William Herschel
Voyager Spacecraft
Where are the Voyager probes now?
http://voyager.jpl.nasa.gov/where/
How far away do you think they are?
Named after characters from William Shakespeare's plays
Full transcript