Explain why Pluto is no longer considered a planet
What will be an ideal response?
Although it orbits a star and is large enough for its own gravity to make it round, Pluto has not cleared most other objects from its orbital path.
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Halley's comet orbits the Sun approximately every 76 years, therefore it is a short-period comet.
Answer the following statement true (T) or false (F)
Among the other planets, probably the most likely place to find evidence for life either now or in the past is on
A) Venus B) Mercury C) Jupiter D) Mars
A 2.00-L container holds half a mole of an ideal gas at a pressure of 12.0 atm. What is the gas temperature? (R = 0.082 1 L/atm/mol/K)
a. 292 K b. 438 K c. 731 K d. 585 K e. 365 K
The sun's magnetic field is evident in the looped shapes of
a. solar flares. b. sunspots. c. the corona. d. granules. e. prominences.