Word: earthly
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...Parsons lives in New York and owns a 20-acre vineyard in Tuscany. In January 2005 Institutional Investor magazine named Parsons the top CEO in the entertainment industry. BusinessWeek once dubbed him the "anti-mogul" for his relaxed, down-to-earth management style...
...when did we figure out that Pluto is actually pretty minuscule? What you do is, you look at the sky chart of stars and find the day when Pluto moves to intersect the light of a star. You set up observers across the earth, and you each get a different angle of view of Pluto intersecting the light of the star. And when you do this, you can actually map the size of an object in the solar system. Here's what happened. They said, "O.K., here's a star that's going to get really close, and Pluto...
...pictures of Earth from space...
...organize by planet status. We organize by what objects look like compared to what other objects look like. So we look at the family photo of the solar system, and in it, you have the sun, which obviously is its own thing. Then you have the terrestrials - Mercury, Venus, Earth and Mars, all small, all rocky, all dense. Then you have the asteroid belt - craggy chunks of rock and metal - orbiting between Mars and Jupiter. Tens of thousands of them, likely hundreds of thousands of them. Then you have Jupiter, Saturn, Uranus and Neptune. They're all big, all bulbous...
...partly to blame, as an educator, because to third-graders you teach the planets in sequence, and books celebrate this, and kids boast about memorizing planet names, thinking that they've accomplished something. But it would be much more effective intellectually if you tell me what Mercury, Venus, Earth and Mars have in common. Or why they are different. That's a much more useful scientific inquiry than the recitation of planets in sequence. (See pictures of Earth's mysteries and miracles...