How does an optical telescope make objects seem nearer and larger?
Magnification, through the use of lenses and/or mirrors.
What is the biggest obstacle in using an optical telescope?
The atmosphere makes faraway objects appear fuzzy.
How is a telescope in space better than an optical telescope on Earth?
It's unobstructed by Earth's atmosphere.
How do radio telescopes help us create images?
They collect and focus radio waves and record the data into computers, which make images.
What is a planet and how many are there in our solar system?
Spherical bodies orbiting the Sun; eight.
What reasons could you give for placing an optical telescope in orbit instead of a radio telescope?
Cool, makes sense to me! / Sorry, we were looking for...
How do the surface materials of the inner and outer planets differ?
Wow, you really know your stuff! / Sorry, we were looking for...
Name all eight planets in order.
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune.
Who invented the telescope?
Galileo Galilei is usually credited with it, though he probably didn't make the very first one.
