All of them - you just have to know where to look.
Try installing this free opensource program called stellarium.
It highly probable. Though we are unable to confirm this at the moment.
by a telescope
See below-
The light we see from the planets is sunlight that has been reflected.
it is the only one we know about that contains life at the moment.
You can see some of the planets with the naked eye. The following can be seen easily; they appear as bright stars: Mercury, Venus, Mars, Jupiter, Saturn. To see other planets, telescopes are required.
You can see five of the planets in our Solar System with the naked eye - they appear as bright stars. To see Uranus and Neptune, you need telescopes.
because soem planets are to far away and our eyes cant see that far
Horoscope
because we have eyes
through a telescope
The Philippines are a very good place to see all the planets.