According to Gwen back on Earth, about how long does it take Jackie to reach Vega?
A) about a month
B) about 10 years
C) about 25 years
D) about 100 years
E) about 1,000 years
C
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What do most scientists believe existed before the Big Bang?
A) nothing B) the primeval fireball C) a singularity D) a black hole E) everything was inside Earth
What are Dactyl, Gaspra, Mathilde, Eros, and Ida?
A) the four largest main belt asteroids, and the first to be discovered B) the first four bodies found in the Kuiper Belt after Pluto C) newly discovered small moons of Saturn D) four asteroids that have been explored by spacecraft E) newly discovered retrograde moons of Jupiter
The proton-proton chain converts four hydrogen nuclei into one helium nucleus plus energy
Indicate whether the statement is true or false
A quantum computer built from 4 qubits
A) must be in only one of its 16 possible quantum states. B) must be in only one of its 4 possible quantum states. C) can be in all 8 of its 8 possible quantum states, simultaneously. D) can be in all 16 of its 16 possible quantum states, simultaneously. E) can be in all 4 of its 4 possible quantum states, simultaneously.