The true distance of a nearby object can be calculated from the size of the apparent shift in its position relative to the background as seen from two viewing positions. That shift is called _____.
A) occultation
B) parallax
C) focal ration
D) collimation
Question 2
Which of the following statements is true of coronal holes?
A) Open magnetic fields allow ionized gas to flow away as the solar wind.
B) Reconnection events prevent the release of ionized gases outward from the corona.
C) Discharge of solar materials is prevented because the region is extremely thick.
D) Magnetic field loops back into the Sun to trap the solar wind.
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