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Transcript of Solar System
Did you know that 3/4 of Mercury is its core?
Mercury is the closest planet to the Sun
Mercury is the smallest planet of the Solar System
One day on Mercury is 58 Earth days
One revolution around the Sun in Mercury is 88 Earth Days
At night, Mercury can be -279 degrees Fahrenheit
During the day, Mercury can be 801 degrees Fahrenheit
Mercury has almost no atmosphere; the reason for all of the craters that cover its surface
Even though Mercury is the closest planet to the Sun, it is one of the coldest in the Solar System!
MESSENGER, or MErcury Surface, Space ENvironment, GEochemistry and Ranging, was the second spacecraft to visit Mercury. MESSENGER entered orbit around Mercury on March 18, 2011. Its purpose is to study the surface composition, inner makeup, and magnetic field of Mercury. The MESSENGER gave us data and images that showed that Mercury has a unique geological makeup that was different from the views of the first spacecraft that visited Mercury, Mariner 10. MESSENGER also solved the question whether there are volcano deposits on the planet's surface. Images from the spacecraft show that there are large volcanic vents that have been sources of very hot lava that created valleys and ridges in the planet's terrain.
Mercury is 28.5 million miles away from the Sun
Venus is the second planet from the Sun
Venus can be called Earth's evil twin because both are similar in size
Venus is the hottest planet in the Solar System
A single day on Venus is 243 Earth Days
A revolution around the Sun on Venus is 225 Earth days
Venus has a atmosphere with 90 times the pressure as Earth's atmosphere. That is the same as being 1 km below the ocean surface unprotected!
On Venus, it can be 864 degrees Fahrenheit
Venus has no moons like Mercury
Venus has very few craters because of constant volcanic eruptions over its surface that cover any impact sites
Sulfuric clouds clog the atmosphere of Venus and block the view of the planet's surface. Evidence of lightning has been found in the clouds. Sulfuric acid rains down from these orange-tinted clouds onto the surface below.
Like Mercury, Venus can only be seen at dawn and dusk.Venus can be called the "morning star" and "evening star."
Venus is the brightest planet in the Solar System
The Venus Express traveled to Venus in April 2006. It discovered that Venus has been volcanically active for that last three million years, indicating that the planet may still be geologically active.
The Moon is about 1/4 the size of Earth's diameter
Earth is the third planet from the Sun
Earth's diameter measures 12,756 km. across
Earth is the only known planet to have life
Earth is the only known planet with plate tectonics
The moon causes tides in our oceans
Both the moon's rotation and orbit around the earth takes 27.3 Earth days. This is where we get a month on Earth.
To find your weight on the Moon, multiply your weight by .17.
Temperatures on the Moon can range from -272 degrees Fahrenheit to 243 degrees Fahrenheit.
Aquarius is a satellite mission to measure global sea surface salinity. Its instruments measure the salinity in a gallon of ocean water. The satellite was launched June 10. 2011. It is very precise and has showed us how the ocean reacts to climate changes and the water cycle. Monthly measurements have shown us changes in freshwater input and output due to precipitation, ice melt, evaporation, an runoff. Aquarius has also helped us track large water masses that regulate ocean circulation and Earth's climate.
Mars is the fourth planet from the Sun
Mars is about half the size of Earth
Temperatures on Mars can range from -220 degrees Fahrenheit to 80 degrees Fahrenheit
A day on Mars is 24.6 hours
Mars has two tiny moons: Phobos and Deimos. They orbit around Mars four times a day.
Olympus Mons, the tallest mountain on Mars, is 27 km high.
Evidence has been found that Mars once had rivers, lakes, and maybe oceans!
If you're sick of Earth's blue sky, go to Mars because it has a pink sky!
Curiosity, a Mars rover, has explored the planet Mars in search of evidence of life. It found that Mars once had rivers, lakes, and maybe even oceans. It also tests for methane, a gas living things produce. So far, no methane or signs of life have been discovered.
Jupiter is the largest planet in the Solar System. Over 1,400 Earths can fit inside Jupiter.
Jupiter's rotation takes 9 hours and 55 minutes.
Jupiter has three rings that are very hard to see
This is one of Jupiter's moons passing in front of Jupiter. We know Jupiter has 63 moons.
This red spot is a storm that has been raging on Jupiter for hundreds of years. It is more than 3 times Earth's diameter.
Jupiter is the fifth planet from the Sun
Jupiter's moon, Ganymede is the Solar System's largest moon. It has a diameter of 3,210 miles. It is larger than the planet Mercury.
Jupiter's moon, Io, has about 80 volcanoes. Earth's surface was raging with volcanoes much like Io's surface billions of years ago. Scientists hope to study Io to learn more about Earth's creation.
Jupiter is a gas planet.
The spacecraft, Galileo, was launched October 18, 1989. It has recorded the wind speeds of Jupiter, and found that in the Great Red Spot, winds blow up to 620 kilometers an hour. Galileo has studied Jupiter and its moons, gathering information about the biggest planet in our Solar System
Saturn is the sixth planet in the Solar System
The clouds in Jupiter are about -229 Fahrenheit
Saturn is the second largest planet in the Solar System
A day on Saturn is 10.7 hours
One revolution around the Sun on Saturn is 29 Earth years.
Saturn has an Aurora Borelis
Heat and energy from the center of Saturn is slowly releasing into the atmosphere creating glowing clouds. This makes Saturn one of the brightest objects in our sky.
There are 62 moons and 100's of moonlets found in Saturn's rings
Voyager I was a space probe that launched September 5, 1977 and discovered that Saturn's rings were not made of several large rings, but thousands of tiny rings.
Uranus is the seventh planet from the Sun
Uranus is about 5x the size of Earth
Uranus has a temperature of -224 degrees Celsius
One day on Uranus is 17 hours
One year on Uranus is 84 Earth years
Uranus has 10 rings
Scientists believe there are billions of diamonds in the center of Uranus.
Many scientists believe the reason for the extreme tilt in the axis of Uranus is that a large object smashed into the planet tipping it onto its side.
Voyager 2 passed by Uranus on January 24, 1986. It discovered several of Uranus's moons and its unique atmosphere because of its dramatic axis tilt.
On August 24, 2006, Pluto was no longer considered a planet in the Solar System, but a dwarf planet. Poor Pluto! :(
It takes Pluto 248 years, 197 days, and 5.5 hours to make one revolution around the Sun. That's a long time!
Pluto is so far away from the Sun that even during the "day" Pluto is as dark as Earth's night. From Pluto's surface, the Sun just looks like a very bright star.
Neptune is about the same size as Uranus
It takes 164 years, 288 days, and 13 hours for Neptune to orbit the Sun.
Neptune has very strong winds. Some winds go up to 2,100 km. and hour.
Neptune's rotation takes 16.11 hours
Temperatures on Neptune can be at -221.4 degrees Celsius
Neptune has 13 moons that we know of
Voyager 2 passed by Neptune on August 25, 1989. It discovered the "Great Dark Spot" on Neptune that mysteriously disappeared when Hubble telescope searched the planet. It is thought to be a break in Neptune's cloud cover.
A year on Mars is 687 Earth Days.
A year on Jupiter is 12 Earth years.
Saturn has a temperature of -288 degrees Fahrenheit.
Pluto is made up of frozen methane and other ices
The temperature on Pluto ranges from -240 to -218 degrees Celsius.