Astronomers use space probes to gather information about and images of the solar system. Space probes are unmanned spacecraft that can travel through our solar system and beyond. There are two kinds of space probes. Identify them and describe what they do.

Which statement about relative potential energy of electrons is correct? a. an electron in the 2 p orbital of the second electron shell has more potential energy than an electron in the 2 s orbital of the second electron shell. b. an electron in the 2 p orbital of the second electron shell has more potential energy than an electron in the 3 p orbital of the third electron shell. c. an electron in the 3 p orbital of the third electron shell has more potential energy than an electron in the 2 p orbital of the second electron shell.