Do we know everything about the Sun? (Beginner)

Hi i am doing a report for my 6 grade science class. I was wondering if you could answer the following question?

Do you think you know everything about the sun?

There are still many unanswered questions about the Sun which Astronomers are trying to find out about. These include how come the corona is so much hotter than the visible surface of the sun, how sunspots form and why their numbers vary on an 11 year cycle, among other things.

This page was last updated June 28, 2015.

About the Author

Karen Masters

Karen Masters

Karen was a graduate student at Cornell from 2000-2005. She went on to work as a researcher in galaxy redshift surveys at Harvard University, and is now on the Faculty at the University of Portsmouth back in her home country of the UK. Her research lately has focused on using the morphology of galaxies to give clues to their formation and evolution. She is the Project Scientist for the Galaxy Zoo project.

Twitter:  @KarenLMasters
Website:  http://icg.port.ac.uk/~mastersk/

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