Yes when it is visible it can be seen easily, even with the naked eye. It is very bright. So you don't even need a telescope, though a telescope will show more details. It can only be seen around sunset or sunrise, never throughout the night, as it is closer to the Sun than Earth is, and so it sets at night when it is visible. At other times, it is too close to the Sun to be seen at all.
Yes. Venus is one of the brightest objects in the night sky, second only to the moon, and can easily be seen without a telescope. Using a telescope will not reveal much detail, as the surface of Venus is masked by dense clouds.
Yes, it is very easy to see. The only problem is when it is on the far side of the Sun. Venus is often the brightest thing in the night sky.
Venus
Yes, you can even see it with the naked eye.
He looked through the telescope and was able to see Venus better.
Venus is a Roman God, so, no.
You can see the six ancient planets without a telescope when they are visible, and in theory you can also see Uranus in perfect conditions. Neptune needs a moderate-sized telescope like a 3" refractor.
Yes, you can also see Mercury and Saturn without a telescope. With a telescope, you can see all the planets.
The brightest planet at night, depending on phase, is Venus. Jupiter and Mars can be a close second, depending on the season.
You might see a telescope left behind or a asteroid on the surface left behind.
Mars
Mercury, Venus, Mars, Jupiter, and Saturn are visible from Earth without a telescope. At certain times, for those with excellent vision, Uranus is visible. Some planets are best viewed just before dawn.