Answer:
I'm a god. I'm a planet. I measure heat.
Add a T and I shoot through the sky. Then add an S and I multiply. What word is it?
The man who invented it doesn't want it. The man who bought it doesn't need it. The man who needs it doesn't know it. What is it?
What has a mouth but can't chew?
What is neither inside the house nor outside the house but a necessity for any home?
People take me on walks and I run and have fun. What am I?