Need help with my Science question – I’m studying for my class.

I have some questions about Astronomy that I need to ask


One of the steps in the scientific method, is “Ask a question.” On average, how long does it take for scientists to completely answer that question?

A.100 years

B.10 years


D.1 year

Which of the following is NOT a scientific observation?

A.The Sun is very hot.

B.Dr. Mastrapa is 1.83 meters tall.

C.Alpha Centauri is 4.4 light years away.

D.The mass of the Earth is 5.972 x 10^24 kg.