• What is the largest telescope?
• Who invented the telescope?
• Why are many observatories located on mountaintops?
• How do astronomers measure distances to stars and galaxies?
• How do astronomers find planets outside our solar system?
• Who built the first observatory?
• Who made the first map of the universe?
• Are any observatories open to the public?
• What do astronomers do at an observatory?
• How do astronomers use space-based telescopes?
• How do astronomers report their discoveries?
• How do modern telescopes work?