Who formulated the law of universal gravitation, explaining why planets orbit the Sun?
Who discovered that the Milky Way is just one of many galaxies in the universe?
What key observation did Edwin Hubble make about distant galaxies?
Who proposed the theory of general relativity, which redefined our understanding of gravity and spacetime?
What is the Big Bang theory?
Choose the correct answer for this Astronomy review prompt: Who formulated the law of universal gravitation, explaining why planets orbit the Sun?
Which answer best matches this Modern Era prompt? Who discovered that the Milky Way is just one of many galaxies in the universe?
Review Modern Era: What key observation did Edwin Hubble make about distant galaxies?