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What is the difference between planets and exoplanets?
Extra solar (or Exo) planets are planets that do not orbit the Sun. Planets in our solar system orbit the Sun.
What are the planets all part of?
The solar system, the extra solar orbitting mass.
Are there planets in spiral galaxy?
yes, for example us and the rest of the planets in the solar system. to date there are also approx 400 extra solar planets discovered (planets beyond our solar system)
What is the latest count on the number of extra-solar planets?
Fomalhault
How many planets in our solar system?
Eight
The extra matter at the center of the solar nebula became the?
Inner planets
What planet do most known extra-solar planets most resemble?
neptune
Why do astronomers find it difficult to locate extrasolar planets with telescopos?
extra solar planets are not bright compared to the stars they orbit
Haw many known planets are there?
9. Actually, there are 8 planets in our solar system. Pluto is no longer considered a planet. However, we have now found approx. 400 extra-solar planets, or planets in other star systems.
Are humans able to visit extra solar planets?
Potentially yes. We do not have the technology to get people out very far (maybe as far as Mars at present, but even that's debateable), but in theory we would be able to visit extra-solar planets as technology improves in the future.
Are there some planets that are not in the solar system?
Yes, there are planets outside our solar system known as exoplanets. These planets orbit stars other than the Sun. Thousands of exoplanets have been discovered so far using various techniques like the transit method and radial velocity method.
Are there moons orbiting planets in other solar systems?
Most likely there are. But just detecting the presence of the 'extra-solar' planets is so delicate and difficult, we don't have the ability yet to detect the presence of their satellites.
