Hot Jupiters have ________ period orbits
Fill in the blank(s) with correct word
short
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Kuiper Belt Objects that are caught in a 3:2 orbital resonance with Neptune are referred to as _____
A) aurorae B) plutinos C) ovoids D) ovoli
What force(s) are responsible for the collapse of an interstellar cloud?
a. nuclear b. gravity c. electric d. magnetic e. electric and magnetic
A plane is headed eastward at a speed of 156 m/s. A 20.0 m/s wind is blowing southward at the same time as the plane is flying. The velocity of the plane relative to the ground is
A) 157 m/s at an angle 7.31° south of east. B) 157 m/s at an angle 7.31° east of south. C) 155 m/s at an angle 7.36° south of east. D) 155 m/s at an angle 7.36° east of south. E) 157 m/s at an angle 7.36° south of east.
"Cosmological Redshift" refers to
A) the expansion of space itself. B) the expansion of galaxies. C) the expansion of red giants. D) the tendency of light to expand when free of gravitational influences.