The same way you see a rock on the ground at night ... shine a flashlight on it.
That's exactly how we see anything in the solar system ... planets, comets, moons,
asteroids, etc. The sun is the 'flashlight'.
The Earth is definitely the #1 easiest. Next in line would be Venus, Mars, Jupiter, Saturn, and Mercury. Each of those is visible without a telescope, so you'd know exactly where to point your telescope by seeing the planet with your eye first. The brightest planet that you do need a telescope to see is Uranus. So you definitely won't miss it when you're pointed at it, but you need to know where to point.
Galileo first observed the planet Mercury through his telescope in 1610.
pluto
All telescopes will see Mars. The larger the scope, the more light that will be collected and the better the image will be of mars. With certain filters, you will be able to disseminate the different areas on the planet.
The primary source of light that enables astronomers to see Jupiter through a telescope is sunlight reflecting off the planet's surface and atmosphere. Jupiter also emits its own light, known as intrinsic radiation, which contributes to its visibility in the night sky.
saturn
its easy
Jupiter is not luminous in that it emits light, it reflects the Suns light so that it is visible to us on Earth. See also Albedo.
through a telescope
The Earth is definitely the #1 easiest. Next in line would be Venus, Mars, Jupiter, Saturn, and Mercury. Each of those is visible without a telescope, so you'd know exactly where to point your telescope by seeing the planet with your eye first. The brightest planet that you do need a telescope to see is Uranus. So you definitely won't miss it when you're pointed at it, but you need to know where to point.
Galileo first observed the planet Mercury through his telescope in 1610.
No, Neptune is a mythical god of the sea and he cannot be seen. A person on the planet Neptune coud not be seen with a telescope unless it was near the planet Neptune.
pluto
All telescopes will see Mars. The larger the scope, the more light that will be collected and the better the image will be of mars. With certain filters, you will be able to disseminate the different areas on the planet.
How do you see a luminous object?
The primary source of light that enables astronomers to see Jupiter through a telescope is sunlight reflecting off the planet's surface and atmosphere. Jupiter also emits its own light, known as intrinsic radiation, which contributes to its visibility in the night sky.
Yes you can through a large telescope.