The proton-proton chain
a. combines two hydrogen nuclei to produce a single helium nucleus and energy.
b. splits a helium nucleus to produce 4 hydrogen nuclei and energy.
c. is the mechanism that increases the temperature between the photosphere and corona of the Sun.
d. is the interactions between protons in Earth's atmosphere that produces auroras.
e. produces energy in the core of the Sun in the form of gamma rays, positrons, and neutrinos.
Question 2
An object has been located orbiting the Sun at a distance from the Sun of 65 AU. What is the approximate orbital period of this object?
a. 65 years
b. 275,000 years
c. 4225 years
d. 8.1 years
e. 524 years
A guanacaste tree, Enterolobium cyclocarpum, growing in Costa Rica. Guanacaste trees, which produce
Spectrum of Hydrogen Gas
The cell membrane, cytoplasm, nucleus, nucleolus, ribosomes, centrioles, and mitochondria.
The side injector combines with the shape of the piston to create a swirl as the piston moves up ...
In 1964 a team of Russian scientists smashed a neon nucleus into a plutonium tar
Assembly of a к light-chain gene in a B cell