E2N1_Sep20[1] - Did we really go to the moon Let s see what...

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Did we really go to the moon … Let ` s see what LROC has to say
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Apollo 11 lunar module, Eagle. Image width: 282 meters (about 925 ft.)
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Apollo 12 Landing Site
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Released last week!
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Mercury ` s Orbit
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Mercury in Transit Across the Sun
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Lowell Observatory Photos Showing Phases of Mercury 7 June 1934 11 June 1934
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Mercury Fact Sheet • Physical Properties (relative to Earth): density=0.39; Mass=0.06 (10 x Moon); radius=0.38; gravity=0.38 (100lbs=>38lbs) • Sidereal rotational period is 59 Earth days • Orbital period 88 Earth days • Solar day is 176 Earth days ó tidal locking because of proximity to Sun and oblong shape, elliptical orbit inFuences locking
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Surface Geology • Heavily cratered , very Moon-like – Impact craters and lava seas – Global B -Feld (0.01 Earth ` s) and high density => ±uid iron core Essentially no atmosphere , a few trace gases from Solar wind • Day Temps over 600 degrees ²ahrenheit • Night Temps under –270 degrees ²ahrenheit
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reveals heavily cratered surface similar to Moon
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E2N1_Sep20[1] - Did we really go to the moon Let s see what...

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