Professor Scheiner; his Letters on the Subject of the Solar
Spots
These Letters answered by Galileo
Faculæ or Luculi discovered on the Sun's Disc, by Galileo
His Observations on Saturn
The Subject of floating Bridges discussed
Professor Scheiner; his Letters on the Subject of the Solar
Spots
These Letters answered by Galileo
Faculæ or Luculi discovered on the Sun's Disc, by Galileo
His Observations on Saturn
The Subject of floating Bridges discussed