What is SETI? How is it being done?
What will be an ideal response?
The Search for ExtraTerrestrial Intelligence is a systematic project listening to radio waves worldwide, by many teams and individuals, in the hope of detecting the first proof that an intelligent civilization beyond our solar system is broadcasting signals, either to contact us, or from random broadcasts, much as we are now sending our radio signals all over the Galaxy.
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Parallel-Plate Capacitor: Two large parallel plates are separated by 1.0 mm of air. If the potential difference between them is 3.0 V, what is the magnitude of their surface charge densities? (?0 = 8.85 × 10-12 C2/N ? m2)
A. 2.7 × 10-8 C/m2 B. 1.6 × 10-4 C/m2 C. 5.3 × 10-8 C/m2 D. 3.3 × 10-4 C/m2
Find the momentum and speed of a proton whose kinetic energy equals its rest energy. (The mass of a proton is 938.3 MeV/c2)
Which one of the following is not a surface feature
of the Moon? a) a maria. b) A ray. c) A node. d) A rill.
It is not possible to resolve detail of objects smaller than the wavelength of the radiation being used
Indicate whether the statement is true or false