Birthday in 1701 of Anders Celsius, inventor of the Celsius temperature scale.
On the Celsius scale, 0 is the freezing point of water and 100 is the boiling point. How do scientists know how hot it is on Jupiter?
Dr. Marc answers questions about the solar system
Read Dr. Marc's clear and interesting answers to questions about the solar system. Click on a question to learn the answer.
If there's a next to a question, Dr. Marc can read the answer to you!