Who first discovered that there were craters on the surface of the moon?a.Galileob.Copernicusc.Keplerd.Hubblee.All of the abovef.None of the above

What do scientists think caused the moon's craters?

Why did it take so long for geologists to recognize that the lunar craters had an impact origin rather than a volcanic one?

Which of the following astronomical phenomenon were already observed by the ancientpeople even before the telescope was invented?A. Sunspot B. Craters of the Moon C. Solar eclipse D. Atmosphere of Mars

Of the Jovian satellites, which shows the oldest, most cratered surface?Group of answer choicesMirandaEnceladusGanymedeTritonCallisto

What was the scientists’ first reaction to the moon rocks?