Consider the hypothetical discovery from Part A reading: "Beyond its jovian planets, a star has two ice-rich objects as large as Mars." This discovery is consistent with the nebular theory, because this theory predicts that _________.
a. ice-rich objects the size of terrestrial planets should exist in all solar systems
b. terrestrial planets sometimes form beyond the jovian planets
c. this might have happened in our own solar system if it had taken longer for the solar wind to clear the solar nebula
Answer: c. this might have happened in our own solar system if it had taken longer for the solar wind to clear the solar nebula
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The motion of a piston in an automobile engine is nearly simple harmonic. If the 1-kg piston travels back and forth over a total distance of 15.6 cm, what is its maximum speed when the engine is running at 3 480 rpm?
a. 28.4 m/s b. 14.2 m/s c. 56.9 m/s d. 7.11 m/s e. 3.55 m/s
The center of our galaxy contains a very intense source of radio and X-ray radiation named Sgr A*. What is it about this source that supports the idea that the radiation comes from a black hole? a. The radiation is strongly blueshifted, indicating that the object is collapsing
b. The radiation is strongly redshifted indicating that the object is growing. c. The radiation is coming from an incredibly small object. d. Radio waves can only be produced by matter orbiting a black hole. e. Only radiation from a black hole could penetrate the giant molecular clouds between Sgr A and Earth.
Which of the following planets can be in opposition?
a. Mercury b. Venus c. Earth d. Saturn
If you are using a text editor to create a webpage, you specify a color for a webpage element by entering the color depth.
Answer the following statement true (T) or false (F)