Sort the following hypothetical discoveries into the appropriate bins as follows:
Consistent with theory: The statement describes a discovery that we could reasonably expect to find if the nebular theory is correct.
Not consistent with theory: The statement describes a discovery that would force us to modify or discard the nebular theory.
Ans:
Consistent with theory:
-Beyond its jovian planets, a star has two ice-rich objects as large as Mars.
-A star has 20 planets
-A star is surrounded by a disk of gas but has no planets.
-Of a star's 5 terrestrial planets, 1 has a moon as large as Earth's moon.
Not consistent with theory:
-A star's 4 jovian planets formed in its inner solar system and its 4 terrestrial planets formed farther out.
-All 6 of a star's terrestrial planets have a moon as large as Earth's moon.
-A star's 5 terrestrial planets orbit in the opposite direction of its 3 jovian planets.
-A star has 9 planets, but none orbit in close to the same plane.
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The direction of a magnetic field at a point can be determined by
a. a generator. b. a compass. c. a transformer. d. electromagnetic induction. e. none of the above.
Captain Jirk reports to headquarters that he left the planet Senesca 1.88 × 10^4 seconds earlier. Headquarters sends back the message: "Was that spaceship proper time?" It will be spaceship proper time if it was
a. measured by one clock fixed at one spot on Senesca. b. measured by one clock fixed at one spot on the spaceship. c. measured by a clock on Senesca at departure and by a clock on the spaceship when reporting. d. measured by a clock on the spaceship when departing and by a clock on Senesca when reporting. e. calculated by dividing the distance from Senesca according to Senesca by the speed of the spaceship.
Which can be seen by the naked eye?
a. mv = +10 b. mv = +18 c. mv = +6 d. mv = +8
The ________ is (are) the hot gases that are the moving extension of the Sun's corona
a. spicules b. prominences c. flares d. supergranules e. solar wind