What forms in nucleosynthesis?

A.) Most of the Helium-4 in the Universe.
B.) Most of the Hydrogen-1 in the Universe.
C.) Stars.
D.) The cosmic microwave background radiation.
E.) Quarks


Ans: A.) Most of the Helium-4 in the Universe.

Physics & Space Science

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The star Thuban in Draco

A) was an excellent north pole star in 3,000 BC. B) lies halfway between the bowls of the Big and Little Dippers. C) is used to locate the vernal equinox. D) is brighter than Polaris. E) lies as the center of the precession cycle.

Physics & Space Science

Contrasting a M3Ib and M3V star, they differ primarily in ________ and ________

Fill in the blank(s) with correct word

Physics & Space Science

Which of the following is that form of energy associated with an object's location in a conservative force field?

a. potential c. bio-chemical b. thermal d. kinetic

Physics & Space Science

Galaxies are aggregations of stars, stellar dust, and gas. Their masses

A) are all about the same, which is huge. B) vary greatly from one galaxy to the next. C) are small compared to blue supergiant stars. D) depend on the rate of pulsar emissions within them.

Physics & Space Science