Using the ideas discussed in your textbook, in what sense are we star stuff?
A) Movie stars and other people are all made of the same stuff, so we all have the potential to be famous.
B) The overall chemical composition of our bodies is about the same as that of stars.
C) We could not survive without light from our star, the Sun.
D) Nearly every atom from which we are made was once inside of a star.
Question 2
Which event in the history of the universe happened last?
A) Stable helium nuclei formed.
B) The electroweak force separated into electromagnetic and weak nuclear forces.
C) The GUT force separated into the electroweak force and strong force.
D) Neutral atoms formed.
An example of a Hertzsprung–Russell diagram for a set of stars that includes the Sun
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Surface magnetic field of SU Aur (a young star of T Tauri type), reconstructed by means of Zeeman-Do
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