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Mercury Mercury is the closest planet to the Sun. Mercury orbits at 29 miles per second. Temperatures range from 700 degrees to –300 degrees Fahrenheit.
Venus Venus is the second planet from the Sun. Temperature is about 900 degrees Fahrenheit. Venus spins backwards on its axis.
Earth Earth is the third planet from the Sun. Earth has oceans of water, and an oxygen-rich atmosphere. Earth has intelligent life. The distance from the surface to the center of the Earth is about 2,000 miles. Our home planet
Mars Mars is the fourth planet from the Sun. Mars is smaller and colder than Earth. Temperatures range from 30 degrees to –220 degrees Fahrenheit. Our nearest neighbor
Jupiter Jupiter is the fifth planet from the Sun. Jupiter is the largest planet in the solar system. Jupiter’s fast rotation causes the clouds to form bands. Big red spot in southern hemisphere is a hurricane-like storm.
The planet Jupiters four largest moons are called the Galilean satellites,after Italian astronomer Galileo Galilei, who observed them in 1610.These large moons are Io, Europa, Ganymede, and Callisto.Ten of the Moons of Jupiter:1. Metis 5. Io 9. Themisto2. Adrastea 6. Europa 10. Leda3. Amalthea 7. Ganymede4. Thebe 8. CallistoThe German astronomer Simon Marius claimed to have seen the moonsaround the same time, but he did not publish his observations and soGalileo is given the credit for their discovery.
Saturn Saturn is the sixth planet from the Sun. Saturn is known as the “ringed” planet. Rings are made of ice and rock. Winds at the equator reach speeds of 1,100 miles per hour.
Uranus Uranus is the seventh planet from the Sun. Uranus is the third largest planet in the solar system. Named after the father of Saturn in Roman mythology. Summers and winters on Uranus last 42 years.
Neptune Neptune is the eighth planet from the Sun. Neptune is the fourth-largest planet in the solar system. Neptune is sometimes further from the Sun than Pluto.
Pluto Pluto is the ninth planet from the Sun. Pluto is smaller than the Earth’s moon. Pluto is the smallest planet. Pluto has an elliptical orbit.
Planet Distance from SunSun Million km Distance from in in Million km7000 Mercury 57.96000e n u s V 108.2 Earth 149.65000 Mars 227.84000 p it e r Ju 778 Saturn 1,427.003000 Distance from Sun in Uranus 2,870.00 Million km2000 p t u n e Ne 4,500.00 P lu t o 5,900.001000 0
Astronomy Class Lecture
What is the Sun? Is a ball of hot gases. Is 70% hydrogen, 28% helium, 1.5% carbon, nitrogen, and oxygen, and 0.5% all other elements. The Suns temperature is 10,000 degrees Fahrenheit at the surface and 27,000,000 degrees Fahrenheit at the center.
The Sun Distances The average distance from the Earth to the Sun is 93,000,000 miles. It takes light eight and a half minutes to travel from the Sun to the Earth. The diameter of the Sun is 870,000 miles, 109 times larger than the Earths. Its volume is big enough to hold over 1 million Earths.
Looking at the sun? DO NOT LOOK AT THE SUN, EVEN WITH DARK OR SMOKED GLASSES. DO NOT LOOK AT THE SUN WITH BINOCULARS OR SMALL TELESCOPES. YOU CAN DAMAGE YOUR EYES!ED AT THE SUN DIRECTLY
Studying the Sun Scientists study the sun with instruments on the Ulysses spacecraft. Ulysses is a joint effort of NASA and the European Space Agency. Ulysses was launched in October 1990. It is the first spacecraft to orbit the Suns North and South poles.