Q:

Which planets can be seen without a telescope?

A:

Quick Answer

Mercury, Venus, Mars, Jupiter and Saturn are the five planets that are visible without a telescope. These five planets were known to ancient astronomers long before the invention of telescopes. Some experts also include the Earth on the list of planets you can see with the naked eye.

Continue Reading
Which planets can be seen without a telescope?
Credit: Mitja Kobal Moment Getty Images

Full Answer

Ancient astronomers considered these five planets, along with the moon and the sun, to be the seven special celestial objects. This gave rise to the notion of seven heavens in many ancient religions. Ancient astronomers used the movements of the planets to track the seasons, decide when to plant crops and to predict the future.

Learn more about Planets

Related Questions

  • Q:

    How far are the planets from the sun?

    A:

    The eight described planets all orbit the Sun at different distances; Mercury is the closest planet to the sun, followed by Venus, then Earth, Mars, Jupiter, Saturn, Uranus and Neptune. The distances of the planets are normally measured in kilometers, because scientists use metric measurements. However, scientists also use a unit called an “astronomical unit,” which is equal to the distance between Earth and the sun.

    Full Answer >
    Filed Under:
  • Q:

    What are the names of the planets in this solar system in order from the biggest to the smallest?

    A:

    From largest to smallest, based on total circumference, the planets that make up this solar system are Jupiter, Saturn, Uranus, Neptune, Earth, Venus, Mars and Mercury. Any publication that lists Pluto as a planet is out of date. Astronomers now consider Pluto a dwarf planet.

    Full Answer >
    Filed Under:
  • Q:

    What is the order of positions of the nine planets?

    A:

    According to Space.com, the order of planets is Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune, starting with the one closest to the sun. After Pluto was discovered in 1930, it was introduced as the ninth planet in the solar system. It is the furthest from the Sun. However, astronomers struck Pluto off the list of planets, after classifying it as a dwarf planet.

    Full Answer >
    Filed Under:
  • Q:

    What are the planets in order from the sun?

    A:

    The order of the planets from the sun is Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune. Before 2006, Pluto was considered to be a planet; as of 2014, it is considered to be a dwarf planet.

    Full Answer >
    Filed Under:

Explore