Story: Scientists Debate Pluto's Planetary Status, 1/31/07
http://www.pbs.org/newshour/bb/science/jan-june07/pluto_01-31.html

Worksheet Questions:

1. Why did Pluto not fit the new definition of a planet?

2. Why are some astronomers upset with Pluto's downgrading?

3. How might the new definition of a planet impact the other eight, according to astronomer David Weintraub?

4. What happened when the Hayden Planetarium in New York City decided not to include Pluto in its planetary display?

5. Why is it useful to have a definition of a planet, according to astronomer Mike Brown?

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