Sunspots aurora prominences the solar wind question

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sunspots.aurora.prominences.the solar wind.Question 14Which of these moons are most interesting to exobiologists?SelectedAnswer:[None Given]Answers:Io and TitanTitan and TritonEuropa and MirandaEuropa and EnceladusTriton and CharonQuestion 15The next moon likely to be broken up into a ring isSelectedAnswer:[NoneGiven]Answers:Io.Mimas.Ganymede.Triton.Charon.Question 16Studying the magnetospheres of the jovian planets has allowed us to measure theirSelectedAnswer:[None Given]Answers:orbital radius.ring system diameters.orbital periods.gravity.
interior rotation rates.Question 17During a period of high solar activity, the coronaSelectedAnswer:[None Given]Answers:shrinks to half its normal size.cools almost to the temperature of thephotosphere.is more irregular.disappears.becomes smooth and even.Question 18The ________-year solar cycle is characterized by a variation in the number ofsunspots through a reversal of the magnetic polarity of the Sun as a whole.SelectedAnswer:[NoneGiven]Answers:210112244Question 19The Titam probe of the ESA made a successful landing onSelectedAnswer:[None Given]Answers:none of these arecorrectSaturn.HuygensEuropa.Triton.Question 20The critical temperature to initiate the proton-proton cycle in the cores of stars isSelectedAnswer:[NoneGiven]
Answers:3,000 K.5,800 K.2,300,000 K.10 million K.100 million K.Question 21Of all the planets, the axial tilt and rotation period of ________ is most like our own.SelectedAnswer:[NoneGiven]Answers:VenusMarsEarthMercuryour MoonQuestion 22________ are large compression features on Mercury's crust, due to its corecontracting.SelectedAnswer:[NoneGiven]Answers:ScarpsRillesHollowsCratersChaotic terrainQuestion 23Adams and Leverrier predicted the position of ________, which Galle confirmed.SelectedAnswer:[NoneGiven]Answers:UranusPlutoSaturnJupiterNeptune
Question 24The equators of all four jovian planets rotate more rapidly than the polar regions.SelectedAnswer:[NoneGiven]Answers:TrueFalseQuestion 25Which common gas is less abundant in the top of Saturn's atmosphere, compared towhat we observe at Jupiter?SelectedAnswer:[NoneGiven]Answers:heliumargonnitrogenhydrogenmethaneQuestion 26The name of the NASA mission(s) that landed on Mars in 1976 wasSelectedAnswer:[NoneGiven]Answers:Galileo.Voyager.Venera14.VikingIandII.Magellan.Question 27As the Sun rotates, an individual sunspot can be tracked across its face. Fromeastern to western limb, this takes aboutSelectedAnswer:[NoneGiven]Answers:5.5 years.12 hours.a month.a week.
two weeks.Question 28A loop or sheet of gas hanging above an active region of the Sun is a(n) ________,often striking along the limb during total eclipses.SelectedAnswer:[NoneGiven]Answers:flareprominenceaurorasunspotgranuleQuestion 29One of the effects of Mercury's very slow spin isSelectedAnswer:[None Given]Answers:extreme variations in its surface temperature.

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