Ib astrophysics questions and answers

D.1 – Stellar Quantities

The solar system is comprised of the Sun, eight planets, several dwarf planets, numerous moons, and hundreds of thousands of other material left over from the construction of the solar system such as asteroids and comets. However, the solar system in which we live in is merely a speck of dust in the vast universe. Single star: A luminous sphere of .

D.2 – Stellar Characteristics and Stellar Evolution

The stellar spectra can be used to identify elements in stars. Most stellar spectra use the absorption spectrum which is a continuous spectrum that passes through a cool gas and has specific spectral lines removed (inverse of an emission spectrum). The missing wavelengths in a star’s absorption spectra correspond to the absorption spectrum of a num.

The solar system is comprised of the Sun, eight planets, several dwarf planets, numerous moons, and hundreds of thousand…

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