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The Nine Planets

The Nine Planets. Thomas. Mercury . Mercury is the closest planet to the Sun. Mercury. I have calculated that Mercury is 4,879 km along its equator. Mercury.

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The Nine Planets

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  1. The Nine Planets Thomas

  2. Mercury • Mercury is the closest planet to the Sun.

  3. Mercury • I have calculated that Mercury is 4,879 km along its equator.

  4. Mercury • Mariner 10 did observe a tiny amount of helium 1000 km above the surface, but this is probably caused by the solar wind and the breakdown of Mercury's crust.

  5. Mercury • The length of one year (one revolution around the Sun) on Mercury is 88.0 days.

  6. Mercury • It is the most cratered planet in the Solar System. It has an extremely thin atmosphere. It is named after the Roman delivery god, Mercurius, since it moves quickly along the sky. You can't see it through a telescope since it's too close to the Sun. Mercury has no moons. Since Pluto isn't a planet anymore, Mercury is the smallest planet in the Solar System.

  7. Venus The distance between the sun and Venus is 67,230,000 miles which is 108,200,000 km.

  8. Venus • Venus's diameter is 7,257 miles (11,677 kilometers)

  9. Venus • The temperature and pressure at the surface are 740 K (467°C, 872°F) and 93 bar, respectively.

  10. Venus • There is no magnetic field around it.

  11. Venus • Venus orbits once every 224.7 days.

  12. Earth • Planet Earth is third planet from the Sun.

  13. Earth • Diameter: 12,800 km.

  14. Earth • Atmosphere: Mainly nitrogen 78.084% Nitrogen,  20.946% Oxygen. The other small parts include Argon, Carbon Dioxide, Helium, Hydrogen and Methane.

  15. Earth • Earth Year: 365 days (rotation around the sun).

  16. Earth • Age: more than 4.5 billion years old.

  17. Mars • Mars is the fourth closest planet to the Sun and the next planet beyond the Earth.

  18. Mars • Diameter: 6796 Km’s (4223 Miles).

  19. Mars • Atmosphere: Mainly Carbon Dioxide.

  20. Mars • About 1 Earth-year and ten and a half months it takes the planet Mars to orbit the sun.

  21. Mars • Mars was explored in flybys by Mariner 4, 6 and 7 in the 1960s and by the orbiting Mariner 9 in 1971 before NASA mounted the ambitious Viking mission, which launched two orbiters and two landers to the planet in 1975. The landers found no chemical evidence of life. Mars Pathfinder landed on the planet on July 4, 1997, delivering a mobile robot rover that explored the immediate vicinity. Mars Global Surveyor is creating the highest-resolution map of the planets surface.

  22. Jupiter • Jupiter, a gas giant, is the fifth planet from the Sun. It is 778.5 million km (483.7 million miles) from the Sun.

  23. Jupiter • Jupiter is the largest planet in our solar system. Its diameter is 11 times the size of Earth's.

  24. Jupiter • A day on Jupiter is only 9 hours 55 minutes long.

  25. Jupiter • It takes 12 Earth years for Jupiter to orbit the Sun. Jupiter rotates on its axis quickly.

  26. Jupiter Jupiter might have a small core of ice-rock about the size of Earth but is mostly a giant ball of liquid hydrogen and helium gases. The "stripes" are caused by strong winds in the upper atmosphere.

  27. Saturn • Saturn is more than 1.4 billion km (885 million miles) from the Sun.

  28. Saturn • Saturn, a gas giant, is the sixth planet from the Sun and the second largest planet in our solar system.

  29. Saturn • The planet does not have a solid surface. It is made up of very light gases (hydrogen and helium). Like Jupiter, Saturn has a small core of rock and ice. It is difficult to study the surface of Saturn because it has such a thick atmosphere of swirling clouds caused by strong winds.

  30. Saturn • It takes twenty-nine and a half Earth years for Saturn to orbit the Sun.

  31. Saturn • Wind speeds can reach 1,800 km per hour (1,100 m per hr), much faster than the winds on Jupiter. The swirling spots on this photo are storms on the planet.

  32. Uranus • Uranus is the seventh planet from the Sun.

  33. Uranus • Uranus is the third largest planet.

  34. Uranus • Uranus is 46 million km from the Sun.

  35. Uranus • The atmosphere is made up of gases (mainly hydrogen, some helium and a small amount of methane). The planet looks blue-green because of a gas called methane in its atmosphere.

  36. Uranus • An odd thing about this planet is that it spins on its side. Long ago a very large object may have smashed into Uranus and changed the direction of its spin. A day on Uranus is just over 17 hours (shorter than a day on Earth). It takes 84 Earth years to revolve around the Sun. One pole faces the sun continuously while the other pole faces away. Each pole gets about 42 years of continuous sunlight followed by 42 years of darkness.

  37. Neptune • Neptune is the eighth planet from the Sun.

  38. Neptune • Neptune is the fourth largest planet in the solar system.

  39. Neptune • Neptune is one of the gas giants (along with Uranus, Saturn and Jupiter). Its atmosphere is mostly hydrogen and helium gases.

  40. Neptune It takes nearly 165 Earth years for Neptune to orbit the Sun.

  41. Neptune • Even though Neptune is so far from the Sun and a very very cold planet, there appears to be seasonal changes. Since the planet takes almost 165 years to orbit the Sun, a single season may last more than 40 years. The images below (made over six years) show changes in the planet's southern hemisphere.

  42. Pluto • Pluto was once known as the ninth planet and the furthest from the Sun.

  43. Pluto • It was also the smallest planet.

  44. Pluto • Pluto is so cold that air can freeze and fall to the ground like snow. Its surface is frozen nitrogen, methane, and carbon dioxide. The interior is probably a rocky core surrounded by ice. There are dark and bright regions across its surface.

  45. Pluto • It takes 248 Earth years to orbit the Sun.

  46. Pluto • The New Horizons Pluto-Kuiper Belt mission was launched in January 2006 and should reach Pluto in July 2015. It takes nine and a half years for the spacecraft to reach Pluto. An airliner would take more than 800 years to get to Pluto!

  47. Sun • The Sun is the centre of our solar system andthe largest object in our solar system .

  48. Sun • The diameter of theSun is 1,390,000 kilometers.

  49. Sun • The corona is the outer part of the Sun's atmosphere. It is in this region that prominences appears. Prominences are immense clouds of glowing gas that erupt from the upper chromosphere . ... This image of 1,500,000°C gas in the Sun's thin, outer atmosphere (corona) was taken March 13, 1996 by the Extreme Ultraviolet.

  50. Sun • Don’t stare at the Sun because it can damage your eyes.

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