The apparent shape of an elliptical galaxy is an effect of perspective.
Answer the following statement true (T) or false (F)
False
Physics & Space Science
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Mid-sized black holes of a few thousand solar masses have been found in the cores of some
a. open clusters. b. emission nebulae. c. elliptical galaxies. d. globular clusters. e. dark molecular clouds.
Physics & Space Science
Temperature Scales: Express a body temperature 98.6°F in Celsius degrees.
A. 37.0°C B. 45.5°C C. 66.6°C D. 72.6°C
Physics & Space Science
Nuclear Binding Energy: The carbon in our bodies was formed in nuclear reactions in long-dead stars. How much energy was released when the right number of 4He nuclei combined to make 12C? The mass of 4He is 3728.40 MeV/c2 and the mass of 12C is 11,177.93 MeV/c2.
A. 7.27 MeV B. 372 MeV C. 8.42 MeV D. 2.11 MeV
Physics & Space Science
A sound level of 93 dB is how many times as intense as one of 73 dB?
Physics & Space Science