PPT-Terrestrial Planets 表面均为坚硬的岩石圈。金星，地球和火星表面有大气，水

水星离太阳最近难以肉眼发现表面温度 173427 o C 金星无海洋表面包裹着非常浓密的高速旋转的云温度高达 462 o C 压力相当地球海洋 900m. V.Aravinthan. 2011/FM/034. WHO WE ARE?. WHAT IS LIFE?. The condition that . distinguishes. . animals and plants from inorganic matter. , including the capacity for growth, reproduction, functional activity, and continual change preceding death .. Sotirios Karathanasis, Karalyn Berman, Leah Cassens. Overview. What is a habitable planet?. How do they form?. How do we find them?. Possible habitable planets. Future goals. What makes up a habitable planet?. Lecture by C.P. Dullemond. Institute for Theoretical Astrophysics. Heidelberg University. Image . Credit. : NASA. The Big Questions. After C. Mordasini. > 10 billion galaxies in the Universe. 100 billion stars in each. Exam on Monday. I’ll have a Mock exam to work on Friday. Solar Eclipse. Freds_excellent_eclipse.mpg. Solar Eclipses . Umbra. – region of total shadow. Penumbra. – region of partial shadow. Totality lasts only a few minutes!. Chapter 23. 23.1 The Solar System. 99.85%. of the mass of our solar system is in the Sun, planets make up the rest.. Gravity holds planets in orbit.. Overview of the Planets. . Terrestrial planets. . . Victoria Meadows, Eddie . Schwieterman. , . Giada. . Arney. , Drake Deming. ,. . Amit. . Misra. , Benjamin . Charnay. , Ty Robinson, . Antigona. Segura, Shawn. . By AJ, Aidan, Cheryl, and Emma. The Dwarf Planets. A dwarf planet is a smaller planet that shares an orbit around the sun such as an asteroid comets.. Scientists believe there may be as many as a few 100 other dwarf planets in the . The Solar System. Sun, planets, moons, comets, asteroids, meteoroids.. Sun at the center.. Eight planets, thousands of asteroids, and millions of comets and meteoroids orbit the sun.. Dozens of moons orbit the planets.. 4.2 pgs. 94 - 100. Biomes. A large geographical region with a specific range of temperatures and precipitation, and the organisms that are adapted to those conditions of temperature and precipitation. . Inc. .. Question 1. Which of the following are . terrestrial. planets?. Only Earth. Earth, Moon, and Venus. Mercury, Venus, Earth, and Mars. Mercury, Venus, Earth, Moon, Mars, and Pluto. Mercury, Venus, Earth, Moon, Mars, and Ceres. By: Virginia. . Speirs. The Solar System. The solar system is made up of many different things. There are 8 planets in our solar system. . The Inner Planets. The inner planets are the four planets closest to the sun. The inner planets are - Mercury, Venus, Earth, . Mercury – terrestrial planet. It has almost no atmosphere, so meteors hit its surface. It is as pockmarked as our moon. .. Venus – terrestrial planet. hottest of all the planets. Its atmosphere is toxic. This work is protected by U.S. copyright laws and is provided solely for the use of instructors in teaching their courses and assessing student learning. Dissemination or sale of any part of this work (including on the World Wide Web) will destroy the integrity of the work and is not permitted. The work and materials from it should never be made available to students except by instructors using the accompanying text in their classes. All recipients of this work are expected to abide by these restrictions and to honor the intended pedagogical purposes and the needs of other instructors who rely on these materials.. spinels. would also corroborate evidence for mantle or . ultramafic. material in KT boundary . ejecta. as proposed by:. . DePaolo. , . Kyte. , Marshall, O’Neil & . Smit. ; EPSL Vol. 64, Sept. 1983. .