Is the comma placement and capitalization correct in this sentence?

Question

The class went to the Botanical Gardens, it's a spectacular sight.

Answer 1

No, the comma placement is not correct. It's a run on sentence.

Check this site for more information.

http://grammar.ccc.commnet.edu/grammar/runons.htm

Answer 2

No, review those punctuation and capitalization rules again.

You also have a run-on that needs to be fixed.

http://grammar.ccc.commnet.edu/grammar/capitals.htm

http://grammar.ccc.commnet.edu/grammar/commas.htm

http://grammar.ccc.commnet.edu/grammar/runons.htm