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I'll introduce you [[note in margin at top of page and down right margin]] SKR < GEO PHYS PROF. OF PHYS. CHAIR = EARTH, ATMOSHERIC & PLANATARY STUDIES STRUCTURE OF PLANETS, SENDING INSTR ON S/C --> MARS, MOON DISTINGUISHED PUB SERVICE FROM NASA, 2002: DISCOVER = 50 MOST IMP. WOMEN IN SCIENCE [[//note in margin at top of page and down right margin]] -We each spend 3-5 minutes on how we get into science (you 1st). -The Moon: it's a cool place -- you've all seen it. -(as you all know!) the moon orbits the Earth, while the Earth orbits the Sun (Photo of Earth & moon) -The Moon's a long ways away. Here's what earth looks like from the moon (Apollo); compared to earth from the shuttle (Florida) -Earth & moon to scale, with distance (relative sizes, distance) -The Moon hasn't always been there (Earth didn't always have a moon. Moon's formation. (maybe: it's still slowly moving away) -Crust formed (highlands); maria - Bombarded with craters. (Earth gets hit, too) -People have been to the moon! (but a long time ago) -Apollo launch, 6 landings/12 people on the surface -Need spacesuits -1/6 g -Set up instruments (e.g. laser reflector, moon quakes) -Collected rocks: surface is old (learn about earliest days of solar system -drove around in rovers --- to get craters 10 miles away. -We've learned a lot since Apollo (Ice) -a little on GRAIL? (analogy to Grace. watching the ice sheets melt?)