Lets visit Florence Italy 1610 to appetite the journey and Cambridge UK 1642 to set some pieces upon the table, but to those in the search for new detail after the steps of the Lion, dive inhere

After 400 years of instrumentation, here an example of a ground base telescope.

This movie is from an space observatory on solar physics, where you can see the Mercury transit on May 9th. The CME strongly support our current understanding of plasma physics.

… the far journey is enlightened in this cosmography video.