What method is used to determine the distances of very remote galaxies?

The cosmic microwave background radiation is not uniform over the sky—it is slightly hotter toward the constellation Leo and slightly cooler in the opposite direction, toward Aquarius. Why?

In what way does the study of the collisions of very high-speed nuclear particles with other matter at particle accelerator laboratories help in the understanding of the early universe?

Of the entries in this list of questions about the Milky Way Galaxy, which ONE has been answered at the present time?

What is the “particle horizon”?

Stanley Milgram’s study of obedience took on a special importance in the wake of __________.

How are the Magellanic Clouds, the two nearby satellite galaxies of the Milky Way Galaxy, classified?

Lenticular galaxies, S0, have no spiral arms. What is the difference between an S0 and an elliptical E0, which also has no spiral arms?

What is the cosmic microwave background radiation?

__________ are habitual targets of displaced aggression.