There are 5 planets that- at different times- can be seen with the naked eye. Mercury is one of the 5- no telescope needed.
Mercury can be seen with or without a telescope, depending on the conditions.
no
Yes, Mars can be seen at night without a telescope. It's a "naked eye object".
Often. In fact, it can often be seen at night without a telescope; it's fairly bright.
No. No. You need a telescope to see Neptune.Nope... Neptune cannot be seen from the Earth without a telescope.
Yes because Mercury is the closest planet to the sun
Yes. If you know where to look, you can evensee it without a telescope, day or night.
yes
No. No. You need a telescope to see Neptune.Nope... Neptune cannot be seen from the Earth without a telescope.
Yes.
Yes
Earth does not need a telescope, look down.