While I sit here drowning in a sea of Greek characters and hypothetical quantities, you benefit, as I am able to bring you SpaceMath@NASA.
Consider how fascinated your students are by black holes and the search for life on other planets and apply that to teaching your math standards. It's all there in fantastic, FREE booklets with questions that you can work through with your students. I'm talking to you too, Elementary School Teachers! He has something for everyone! You can download whole PDF books of problems by clicking on the "Problem Books" tab at the top.
And, if you like what you see here, you can also get some great astronomy books and other useful tools by Dr. Odenwald for reasonable prices at the astronomy cafe.