Question

When Galilio watched the Jupiter? What he seen its erect or inverted?​

Answer 1

Answer:

The astronomical Telescope produces real and inverted image of object

so Gallelio watched Jupiter inverted

but at that distance of 1000's of kilometres erect or inverted looks the same .

Answer 2

Peering through his newly-improved 20-power homemade telescope at the planet Jupiter on Jan. 7, 1610, Italian astronomer Galileo Galilei noticed three other points of light near the planet, at first believing them to be distant stars.