Yes, Mars can be seen at night without a telescope. It's a "naked eye object".
The brightest planet at night, depending on phase, is Venus. Jupiter and Mars can be a close second, depending on the season.
The planets visible to the naked eye, from the brightest to the less bright are Venus, Jupiter, Mars, Saturn, Mercury.
Proxima Centauri is too dim to bee seen without a telescope.
Normally, the planet Mars is easily seen and recognized by its reddish color. But during certain points in Earth's orbit, Mars is nearly on the opposite side of the Sun from us, and it is not visible. Mars passed behind the Sun in December 2008, and should become visible in the eastern sky just before sunrise sometime in mid April 2009.
Mercury, Venus, mars, Jupiter and Saturn can all be seen from earth. They look like bright stars with the naked eye.
Yes.
Often. In fact, it can often be seen at night without a telescope; it's fairly bright.
Yes, the planet Mars is visible to the naked eye.
Yes, but ONLY in ideal conditions, so realistically, no.
Yes. It can also be seen without one.
No. No. You need a telescope to see Neptune.Nope... Neptune cannot be seen from the Earth without a telescope.
No. No. You need a telescope to see Neptune.Nope... Neptune cannot be seen from the Earth without a telescope.
Yes. It can also be seen from Earth without one.
Yes
Yes. If you know where to look, you can evensee it without a telescope, day or night.
yes
Earth does not need a telescope, look down.