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The Moon

The Moon. Mass . = 7.4 x 10 25 g = 0.012 M Earth ? = 1738 km = 0.27 R Earth. Radius. Density. = 3.3 g/cm 3 (Earth 5.5 g/cm 3 ) = 1/6 that of Earth. Gravity. We always see the same face of the Moon. This means: period of orbit = period of spin Why?. Tidal Locking.

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547 views • 38 slides

Chapter 5: The Earth

Chapter 5: The Earth. Barringer Crater. Crater 1.2 km across 0.2 km deep Meteoroid 50 m across mass 200 k tons. An asteroid impact like the one that killed off the dinosaurs is expected once every: A: year B: hundred years C: thousand years D: hundred thousand years

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Week 10 Day 1 Announcements

Week 10 Day 1 Announcements. Grades First iClicker scores have posted (from 4 classes) Participation scores will be up to date after Spring Break Email Dr. Saul if there are discrepancies (include your iClicker number) Homework: Cannot do homework without Mastering Astronomy

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336 views • 21 slides

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Several km sec - PowerPoint PPT Presentation

The Moon

Chapter 5: The Earth

Week 10 Day 1 Announcements