In 1997 the Advanced Composition Explorer satellite, which studies solar wind and cosmic rays, maintained an orbit at the Sun-Earth L1 Lagrange point—a position directly between Earth and the Sun. __________ the gravitational forces of the Sun and Earth reach an equilibrium found in very few other locations, allowing spacecraft such as the Advanced Composition Explorer to remain in the same position relative to Earth as they orbit the Sun.
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Verbal·Expression of Ideas·Transitions
hardWhich choice completes the text with the most logical transition?
A
Regardless,
B
There,
C
For example,
D
Admittedly,