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Science Astronomy Lance Crossword
Down
:
1) Improved refracting telescope design to have two convex lenses which made the image upside-down.
2) The standard to which the outcome of an experiment is compared
3) Highly advanced rockets that are set into space to gather and transmit information to Earth.
6) Distortion of images because different colors of light travels and bends at different wavelengths
7) Focus light rays by bending them through glass lenses
9) Something in an experiment that you change or test.
11) in 1722 developed a reflecting telescope with parabolic (curved) mirrors
12) Permanent places in space for humans to live and work.
13) Reusable spacecraft for transporting people, satellites and other materials to and from space.
14) First to use a telescope in astronomy. His design used a combination of convex and concave lenses
15) An object which has been placed into orbit by human endeavor.
17) Special motors that do not require external air for combustion
Across
:
4) Developed reflecting telescope in 1680 in response to chromatic aberration
5) Work by focusing light by reflecting it with mirrors
8) Invented the refractor telescope in 1608
10) Study of the moon, stars, and other objects in space.
16) Sputnik 1 from the Soviet Union in 1957
18) too large, expensive to build and maintain, lenses distort and grow cloudy, suffer from chromatic aberration
19) Observation, communication, navigation, weather, research.
20) Do not suffer from chromatic aberration, less expensive, better support for light gathering and resolving power
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