The Great Debate
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Debating the size of the universe
Telescope Allocation Committee
This activity acquaints the students with the telescopes and instruments available at an astronomical observatory: McDonald Observatory.Astronomers apply for observing
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Astro-Madness
In this activity, students learn about the different telescopes and instruments that are available at McDonald Observatory using the “What
What do astronomers do at an observatory?
Before using a research telescope, an astronomer submits a proposal detailing project goals and equipment needs for approval by a
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Is there a tenth planet in our solar system?
No. On August 23, 2006, the International Astronomical Union decided that the solar system contains only eight planets. Pluto, which
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