Astronomy 0.0 / 5 ? AstronomyAstronomyGCSEEdexcel Created by: TychocraterCreated on: 05-05-14 17:28 Whats the earths atmosphere made up of? Mainly oxygen and nitrogen, also liquid water(70%), life. 1 of 10 Earths diameter? 13 000km 2 of 10 How much is the earth flattened by? 42km (at the poles) 3 of 10 Shape of the earth? Oblate Spheroid 4 of 10 Evidence that the earths not flat? 1.Ships disappear over the horizon. 2.Satellites orbit the earth. 3.Images of earth from space. 5 of 10 How many halves does the equator divide the earth into? 2 (Northern and Southern hemispheres) 6 of 10 Whats latitude? The centre of the earth and a point on the equator 7 of 10 How much is the earths polar axis tilted by? 66.5 degrees to the plane on which it orbits the sun (the elliptic) 8 of 10 how many times a year does the sun lie directly above the equator? 2 (21st of march and the 22nd/23rd september, these are the spring and autumnal equinoxes) 9 of 10 Whats longitude? A point on the earths surface is angular displacement east or west of the observers meridian 10 of 10
Astronomy - Chapter 1 - Earth, Moon and Sun - SUN - EARTH - MOON INTERACTIONS 5.0 / 5 based on 4 ratings
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