If a quasar has a redshift of 0.98, then it is receding from Earth at 98 percent the speed of light
a. True
b. False
Indicate whether the statement is true or false
False
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If a Burger’s circuit is performed around a dislocation, the Burger’s _____________closes the circuit.
Fill in the blank(s) with the appropriate word(s).
Which Galilean moons of Jupiter show evidence for subsurface oceans of water beneath their icy crusts?
A) Europa and Ganymede B) all four show evidence for subsurface oceans C) Europa D) Europa, Ganymede, and Callisto
Who discovered the period-luminosity relationship, and why was it so critical?
What will be an ideal response?
Three resistors of 12, 12, and 6.0 ? are connected in series. A 12-V battery is connected to the combination. What is the current through the battery?
A) 0.10 A B) 0.20 A C) 0.30 A D) 0.40 A E) 0.50 A