Name: ____________________ Date: ___________________ Building Our Solar System Profile Asteroid Belt Rocky or Terrestrial planets Use the provided information page to summarize key features of the 8 planets of our solar system. Color your each planet in each box (planet size is not to scale). The numbers represent the order of the planets from the Sun 1. Mercury 3. Earth - Solid planet; has crater surface like Earth’s moon - closest to Sun - slighly larger than Earth’s moon - high temp fluctation between day (430oC) - no atm to trap the heat, night temp drop to 280oC - such huge difference in day and nigh temperature causes rocks to expand and contract forming immense cracks on Mercury’s surface - our home - just the right distane from Sun to support life - ¾ water - water found in 3 phases: s, l and g - atm. Contains N2, O2, and H2O vapour 1. Venus 4. Mars Earth’s twin: because it’s similar in size, mass, density, and distance to the Sun compared to Earth - cloudy atmosphere mainly of CO2 and N2 - lots of acid rain -its thick cloud reflect sunlight Venus appears as the brightest planet - have areas with volcanoes, lava and cracks called rifts - - crust covered with iron appears red - high wind speed (4x that on Earth) - intense volcano activity - 2 polar ice caps - thin atm of mostly CO2 - experienced largest flood occurred 3.5 bil. Years ago but H2O has diappeared. Reason unknown. - located between Mars and Jupiter - rocky remains from formation of our solar system 4.6 bil. Years ago - rocks of various sizes: a few feet to several miles in diameter -Ceres: largest asteroid 950 km wide -Jupiter and Mars can absorb these asteroids or fling them into orbits of other planets Gas giants 5.Jupiter 7. Uranus - largest planet - mass = 2.5x sum of mass of all planets - has a great red spot (size= 3 Earths combined) for > 300 years = storm of H2 and He - rotates every 10 hrs shortest day - has a very thin ring of ice particles; can’t be seen from Earth - atm of H2 and He -has such high pressure that H2 turns into liquid and metal (!) deep in core - ring system of ice and dust - CH4 (methan) in atm appear blue green - Atm composed of CH4, H2, and H - unsual orbit: flipped on its side 6.Saturn 8. Neptune - wide, thin ring made of ice particles - composed mainly of H2 and He - Largest gap in rings called Cassini division - thin ring of ice particles - atm contains CH4 just like Uranus but appears depper blue - components that cause Neptune’s color remains unknown - has 6 rings of various thickness An easy phrase to remember the order of the planet: “MY VERY EXCITED MOTHER JUST SENT US NACHOS” Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune