Scientist believe there are but none have been found yet. We are currently in the process of searching for an exoplanet in the habitable zone. Also Scientist believe bacteria life could exist on Mars and Saturn's Moon Titan.
Compared to some other planets in the same galaxy, yes; it is actually fractions of the size of other planets in this galaxy
The closest galaxy that has planets is the Andromeda galaxy. It is the nearest galactic neighbor to the earth. The Milky Way has other planets too.
...only as a metaphor. The Earth is a planet that is in the Milky Way galaxy. The Earth is not a galaxy. No, the Earth is a planet which orbits the Sun (which is a star) along with several other plants, this is called the solar system. Our Sun and its planets along with millions of other stars form a galaxy called The Milky Way.
The milky way is a GALAXY where the earth and the other 10/11 planets are in.
mercury,venus,earth,jupiter,saturn,uranus,and neptune.
Earth is a planet. It revolves around the sun. Our solar system - earth and the other planets - are part of a galaxy called the Milky Way.
Nothing from another galaxy can affect Earth ever. Other galaxies are too far away.
No. Earth is the 5th largest of the eight planets in the solar system. There are many more planets in the galaxy in other solar systems with numbers estimated in the hundreds of billions. Many that we know of are larger than Earth while some are smaller.
It is possible that every galaxy has some planets. We just are starting to detect some planets in other galaxies.
Planets orbit stars, stars orbit a galaxy. Planets are not "on" anything. A lot of stars out there have planets - we are just finding out how many now that we have better techniques to find them. So probably all galaxies have at least some stars with planets.
The Earth, along with the Sun and all the other planets orbit around the centre of the Milky Way Galaxy.
Yes, there are eight planets in our solar system: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. There are also thousands of planets orbiting other stars in our galaxy, known as exoplanets.