Transcript Welcome to your Galaxy - your own free website

Rules for our adventure
1.We will work our hardest to learn about the key facts and
figures that comprise our solar system, the Milky Way.
2.We will participate with open minds, as we journey to our
destinations.
3.We will be respectful and responsible with regards to our own
opinions and those of others.
4.We will keep our hands and feet inside
the moving spacecraft at all times, so we
do not hit any stars, planets or space
dust that we may encounter.
Our Sun:
* Is a star * Made of gases * Is our primary source of energy
• 1.3 million times bigger than Earth
70% hydrogen and 28% helium
Nuclear chain reaction (hydrogen
forming helium)
Releases radiation (gamma rays)
The gamma ray loses energy as it bounces
around inside the Sun
It is finally released at the photosphere,
primarily as visible light
Image at http://solarscience.msfc.nasa.gov/interior.shtml
Photo from http://sohowww.nascom.nasa.gov/bestofsoho/bestofsoho.html
* Closest planet to the sun.
* Not much larger than Earth's
moon.
* Has no moons of its own.
* So close to the sun so it’s hard to
get a good view of it.
* Many craters on its surface.
* Has an extremely thin atmosphere.
* Planet of extremes.
* It’s so close to the sun that during the day, the temperatures
can reach up to 430°C. (806F)
* It has almost no atmosphere so at night all the heat escapes
into space dropping the temperature to −170°C. (-274F)
* Greatest range of temperatures than any other planet.
Music provided by the Los Angeles Philharmonic Orchestra: Mercury, the Winged Messenger
http://www.google.com/imgres?imgurl=http://i.telegraph.co.uk/multimedia/archive/01682/mercury_1682334c.jpg&imgrefurl=http://www.telegraph.co.uk/news/science/space/7900309/Japanlaunches-Mercury-mirror-space-craft-mission.html&h=288&w=460&tbnid=4XgGLwOTp4s8M:&zoom=1&docid=mWlOCoZeJWF1XM&ei=pU_8VObfBMeuggTGgIHoAg&tbm=isch&ved=0CBwQMygAMAA
• Takes about 7.5 Earth months to
revolve around the sun.
• Takes about 8 months for Venus to
rotate on its axis.
• Venus rotates so slowly that its “day” is
longer than its “year.”
• Rotates from east to west, the opposite
direction from most other planets and
moons.
• This type of rotation is called
retrograde rotation.
• Similar in size to Earth.
• Density and internal structure of Venus are
similar to Earth's.
• However, in many other ways, Venus is very
different from Earth.
• Atmosphere is so thick that every day is a
cloudy one.
• Pressure of Venus's atmosphere is 90 times
greater than the pressure of Earth's
atmosphere.
• Could not breathe on Venus because its
atmosphere is mostly carbon dioxide.
• Clouds are partly made of sulfuric acid.
Music provided by the Los Angeles Philharmonic Orchestra: Venus, the Bringer of Peace
• It is the only planet that has an atmosphere
containing 21 percent oxygen.
• It is the only planet that has liquid water on
its surface.
• It is the only planet in the solar system that
has life.
• The Earth is the only inner planet
to have one large satellite, the
Moon.
• The Earth is fragile. Its surface
is split into plates (tectonic plates)
which float on a rocky mantle – the
layer between the surface of the
earth, its crust, and its hot liquid
core.
Courtesy of www.StoryBots.com: A beautiful World, Earth song
Welcome
to
Mars
Your home
away
from
home,
• Atmosphere of Mars is mostly carbon dioxide.
maybe
• Has only 1 percent the pressure of Earth's atmosphere.
• Astronomers have found that some water remains on Mars in the form of
ice at its north pole.
• Mars' south pole has an ice cap made mostly of frozen carbon dioxide.
• Axis is tilted so Mars has seasons just as Earth does.
• Barren and covered with craters like the moon.
• Regions of Mars have giant volcanoes.
• No oceans or puddles of water exist.
• Photographs taken from space do show evidence that water flowed on Mars
millions of years ago.
Music provided by the Los Angeles Philharmonic Orchestra: Venus, the Bringer of Peace
• Largest Planet
• Atmosphere: Hydrogen and Helium
• 16 Moons – (4 Large Moons)
(Ganymede, Europa, Callisto, Io )
• Great Red Spot (Huge Storm)
• Differential Rotation: The equator
spins faster than either the North or
South poles, which is a trait of Jovian
planets
• Thin ring system
• Day: 10 hrs
• Year: 12 Years
Music provided by the Los Angeles Philharmonic Orchestra: Jupiter, the Bringer of Jollity
• Nearly twice as far away from the
Sun as Jupiter
Atmosphere: Hydrogen, Helium
• 2nd Largest Planet
• Has 22 Moons
•Titan: Moon with its own
Atmosphere
• Day: 10 hours
• Year: 29.5 years
• Large ring system-ice, rock, and dust
that measures some 50,000 miles across
and 200 yards deep
Music provided by the Los Angeles Philharmonic Orchestra: Saturn, the Bringer of Old Age
Music provided by the Los Angeles Philharmonic Orchestra: Uranus, the Magician
• About the size of Neptune
• Discovered by Sir William Herschel 1781
• Atmosphere: hydrogen, helium
methane
• About 15 Moons
• Thin ring system
• Rotates on its side
• Rocky core
• Day: 18 hours
• Year: 84 years
•Most of Uranus’ moons are named after
characters in Shakespearean plays
• A little smaller than Uranus, but similar
composition
• Methane atmosphere
• Last planet seen by Voyager
• Rocky core
• 8 Moons (Triton & Nereid) The largest
• Triton is one of two Moons in Solar System
with its own atmosphere (Titan is other)
• Thin ring system
• Once a great dark spot, that recent Hubble
telescope pictures state has disappeared
• Day: 19 hours
• Year: 165 years
Music provided by the Los Angeles Philharmonic Orchestra: Neptune, the Mystic
Pluto
•Discovered in 1930
•“Dwarf” Planet
• Icy/rocky Planetoid
• 1 Moon-Charon (“double
planet”) rotate around one another
• Thin atmosphere-frozen gases
• Space probe: New Horizon 2015
• Pluto is one of many “Planetoids”
• Day: About 6 Earth days
• Year: 248 Earth Years (tilted
orbit)
Thank you for taking this voyage to discover your Solar System, now enjoy the Story Bots
As they present “We are the planets, the Solar System Song”
IMAGES CITED:
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