Aperson is placed in a large, hollow, metallic sphere that is insulated from the ground. if a large charge is placed on the sphere, will the person be harmed upon touching the inside of the sphere?

What would the difference of spectral lines emitted by hydrogen gas in distant galaxies which is normally found at a wavelength of 21 cm on earth, be observed at 21.1 centimeters?

Which is an example of gaining a static charge by conduction? a) rubbing a balloon against your hair. b) shuffling your shoes across a carpet. c) bringing a charged rod near an electroscope. d) touching your car on a cold day and getting a shock.

Explain why you think this diagram shows what happened to the carbon in the biodome.