What astronomy tool collects visible light, then uses convex lenses to focus the light producing larger, brighter images of distant objects in space.
What astronomy tool collects visible light, then uses mirrors to focus the light producing larger, brighter images of distant objects in space.
Which astronomer is given credit for the heliocentric model of our solar system?
Which astronomer turned the telescope into a valuable tool for studying outer space? He also located Jupiter's four largest moons named for him.
Which astronomer located many stars and galaxies? He also developed the three laws of planetary movement.
Which astronomer made the most precise observations that had yet been made by devising the best instruments available before the invention of the telescope.
The Hubble Telescope is a combination of which two tools astronomers use to explore the universe?
Which type of tool have astronomers sent to the surface of Venus and Mars?
Which astronomer tool do we use to learn about the composition, density, and temperatures of distant stars?