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1, Explain the concepts "speed of light" and "light year." How
are these concepts related to the idea that astronomers can "see
into the past?" Describe your
cosmic address.
Combine this understanding , along with what you know about
the speed of light and the distances between objects in the
universe, in a discussion of what you feel is the future of
manned space travel.
2, Using vocabulary such as meridian, zenith,
etc
., describe the relationship of a star's altitude above the horizon
and the observer's latitude. If you are positioned at the Earth's
equator, and a given star is at your zenith, what happens to that
star's position (relative to you, the observer) as you walk in a
straight line to the North Pole? Why are some stars and
constellations only seen during certain seasons?
3,What role did astronomy play in ancient cultures, and how is
that role different today? What makes science --
science
? Describe how modern science operates and distinguish it from
philosophy, pseudoscience, and religion. In recognition of these
distinctions, what individual(s) and methods mark the beginning
of Astronomy as a science?
4, Explain how light and its physical properties can be used
gather information on celestial objects related to 1)
composition, 2) temperature, and 3) motion (speed and
direction).
1, Explain the concepts speed of light and light year. How a.docx

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