Examlex
All telescopes must be operated on site by an astronomer or a technician.
Cold War
The state of political and military tension after World War II between powers in the Western Bloc, led by the United States, and powers in the Eastern Bloc, led by the Soviet Union.
Soviet Union
A socialist state in Eurasia that existed from 1922 to 1991, officially known as the Union of Soviet Socialist Republics (USSR).
Global Dimensions
Relates to aspects, considerations, or activities that encompass or address the entire world, often in contexts of economy, politics, or environment.
Affluent Society
An affluent society refers to a community or nation that enjoys a high standard of living, wealth, and economic security, often characterized by the availability of goods, services, and leisure activities.
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Q31: Describe three ways in which astronomers can
Q34: During the first reaction of the proton-proton
Q39: Why have so many optical telescopes been
Q43: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX9332/.jpg" alt=" The Sky Around
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Q56: Absorption lines are produced by _.<br>A) atoms
Q64: The Chandra observatory uses _ mirrors in
Q67: What technique often requires the use of
Q70: In blackbody radiation, short-wavelength and long-wavelength photons