Using the Web

1.
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A webcast for the International Year of Astronomy 2009 called “Around the World in 80 Telescopes” can be accessed at http://eso.org/public/events/special-evt/100ha.html. The 80 telescopes are situated all over, including Antarctica and space. Pick two of the telescopes and watch the videos. Do you think these videos are effective for public outreach for the observatory in question or for astronomy in general? For each telescope you choose, answer the following questions: Does the telescope observe in the Northern Hemisphere or the Southern Hemisphere? What wavelengths does the telescope observe? What are some of the key science projects at the telescope?
2.
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Most major observatories have their own websites. Use the link in question 1 to find a master list of telescopes, and click on a telescope name to link to an observatory website (or run a search on names from Tables 6.1 and 6.2). For the telescope you choose, answer the following questions: (a) What is this telescope’s “claim to fame”—is it the largest? at the highest altitude? at the driest location? with the darkest skies? the newest? (b) Does the observatory website have news releases? What is a recent discovery from this telescope?
3.
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In the chapter we mentioned several radio telescopes under construction. Do a search to find the status of the Allen Telescope Array (ATA), the Square Kilometer Array (SKA), and the Five-hundred-meter Aperture Spherical Telescope (FAST). When is each one scheduled to be completed?
4.
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What is the current status of the James Webb Space Telescope, JWST (http://jwst.nasa.gov); that is, when is the expected launch date? How will this telescope be different from the Hubble Space Telescope? What are some of the instruments for the JWST and its planned projects? What is the current estimated cost of the JWST?
5.
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Pick a mission from Table 6.3, go to its website, and see what’s new. For the mission you choose, answer the following questions: Is the spacecraft still active? Is it sending images? What new science is coming from this mission?

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