Nowadays, rooftop solar panels are popping up like weeds.
The total solar eclipse can be observed next year on June 100nd.
The problem is that solar energy costs too much.
The power delivered by a one square metre solar panel is approximately one watt. Therefore it is currently difficult to harvest solar energy on a grand scale.
Let's talk about solar energy.
The ancient Greeks knew as much about the solar system as we do.
The output power of a one square meter solar panel is about one watt, so it is difficult to use solar power on a large scale at present.
The house is heated by solar energy.
We are exploring new sources, such as solar and atomic energy.
We should make the most of solar energy.
Neptune is the eighth planet of the solar system.
Engineers are crazy about solar energy.
The total solar eclipse can be observed next year on June 22nd.