Topic 2: Stronger Eyes and Better Numbers

Question 1

Telescope

Answer 1

• Tube with convex lenses at each end
• Used to magnify objects from great distances
• Invented by Hans Lippershey

Question 2

Convex Lens

Answer 2

• Thicker in middle than around the edges

Question 3

Reflecting Telescope

Answer 3

• Uses mirrors in telescope

Question 4

Refracting Telescope

Answer 4

• Uses lenses in telescope
• Improved by Galileo

Question 5

What determines resolving power of telescope?

Answer 5

• Diameter of objective lenses
• Increased diameter increases power

Question 6

Johannes Kepler

Answer 6

• Furthered proof of heliocentric model by conforming that orbits are elliptical rather than circular