through a helmet :D
yes you can see Jupiter from venus
no, it is highly impossible to see a crescent Jupiter.
You can see Jupiter's moons any night whenever you can see Jupiter, with the possible exception of times when the Moon is close to it. Just now (2014) Jupiter is mostly visible in midwinter.
you can see the great red spot with the colours of Jupiter
What we see are the tops of clouds in Jupiter's atmosphere. We see the storms on the giant gas planet.
in 1454
With a telescope
Jupiter's many moons
Jupiter is not known as the blue planet because it is not blue. See the link for a picture of Jupiter.
yes you can see mars and venus you can also see Jupiter at times either at midnight or sometime during the night but it is very small
Yes. You are able to see Jupiter with a telescope from Earth at certain points in the year.
It means literally "I need to know when the hour of Jupiter is." I suspect it is saying that if you want to see Jupiter in your telescope you need to know what hour you can see it.