It describes both the Galilean telescope and sunspots, which had in fact been known about for some time in China.
The sunspots had in fact been known for some time in China. It describes both the Galilean telescope and sunspots.
It describes both the Galilean telescope and sunspots. The sunspots had in fact been known for some time in China.
It describes both the Galilean telescope and sunspots. The sunspots had in fact been known for some time in China.