Evolution of the Atmosphere. Evolution of our atmosphere. Original Atmosphere of Hydrogen (H) and Helium (He) lost. Secondary atmosphere develops. planetesimal collisions released volatiles trapped in grains. Early Atmosphere. Vapor Methane (CH 4 ) and Sulfur. Volcanic outgassing.By yovela
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“Earth - Moon System”. I. Earth’s Motions:. A. Earth has 2 real motions. 1. Rotation- The turning or spinning motion of an object on an axis. * Axis-. The imaginary line around which an object spins.
Earth Moon Sun System. TIDES. A TIDE IS…. The periodic rise and fall of the waters of the ocean and its inlets, produced by the attraction of the moon and sun. Usually we say…. the tide is high when the water is deeper, and low when the water is more shallow. . Tides are “bulges” of water.
The Earth-Moon System. Moon Mass 7.3483 x 10 22 kg Equatorial Radius 1737.4 km Earth Mass 5.97219 x 10 24 kg Mean Radius 6371.00 km. Orbital Parameters. Average distance from Earth 384,400 km (0.00257 A.U.) Perigee 363,300 km Eccentricity 0.05490
Earth (Physical Characteristic). Approximately 149,597,890 km (92,955,820 miles) or 1 AU from the SunDiameter at the equator is 12,756 km (7,926 miles), and its circumference is 40,075 km (24,901 miles) Mass is 5.9737 x 1024 kg (6.58 x 1021 tons) Gravity is 9.8 m/s2 Density is 5.515 g/cm3The av
Earth Moon Sun System. Earth’s Motions!. Rotation. Turning or spinning of a body on its axis.
The Solar System. The Earth – Moon System. Martin Crow Crayford Manor House Astronomical Society. The Solar System : Earth Moon system. Last time:. The formation of the Sun (and Solar system). About the Sun. The Sun’s effect on the Earth.
Sun-Earth-Moon System. Aristotle – “Earth is round because it casts a round shadow on the moon during an Eclipse.”. Earth. Aristotle (350 BC) – “Earth is round because it casts a round shadow on the moon. Earth is sphere – shaped Not a perfect sphere Bulges at equator Flattened at poles.