Which two jovian planets have magnetic field tilts that are NOT along their rotation poles?
A) Saturn and Neptune
B) Uranus and Neptune
C) Jupiter and Uranus
D) Jupiter and Saturn
E) All jovian planets have magnetic fields close to their rotational axes.
B
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Double-lobed radio galaxies appear to be emitting jets of gas and radiation
Indicate whether the statement is true or false
Wave Characteristics: The wavelength of an electromagnetic wave is 600 nm. What is its frequency? (c = 3.0 × 108 m/s)
A. 200 × 1012 Hz B. 300 × 1012 Hz C. 400 × 1012 Hz D. 500 × 1012 Hz E. 600 × 1012 Hz
Match the words in the left-hand column to the appropriate blanks in the sentences in the right-hand column. Use each word only once.
1. Our solar system was created by the gravitational collapse of the ________. 2. Our Moon was most likely formed by a collision between Earth and a Mars-sized _____. 3. The first few hundred million years of the solar system's history were the time of the _____, during which Earth suffered many large impacts. 4. Mars was formed by the ____ of smaller objects. 5. The era of planet formation ended when the remaining hydrogen and helium gas of the solar nebula was swept into interstellar space by the _____. 6. Ice can form from a gas through the process of _____. 7. Hydrogen compounds in the solar system can condense into ices only beyond the _______. 8. _______ allows us to determine the age of a solid rock.
A 17-mm-wide grating has rulings of 530 lines per millimeter. White light is incident normally on the grating. What is the longest wavelength that forms an intensity maximum in the fifth order?
A) 377 nm B) 352 nm C) 402 nm D) 427 nm E) 452 nm