the planet makes a dim in the light given star
Extrasolar planets are planets found orbiting stars other then our own.
Orbiting stars. We know of eight planets orbiting our Sun, and we know of over 300 planets orbiting other stars.
You can find the names of some 260 different stars with planets circling them here: http://exoplanet.eu/
No. Other stars have been found to have planets orbiting them.
That doesn't make sense. There are stars, and there are planets. If you mean "planets around stars, other than the Sun", those are usually called "extrasolar planets" or "exoplanets".
no
Yes, hundreds of "extrasolar" planets, i.e., planets outside our own Solar System, have already been discovered.Yes, hundreds of "extrasolar" planets, i.e., planets outside our own Solar System, have already been discovered.Yes, hundreds of "extrasolar" planets, i.e., planets outside our own Solar System, have already been discovered.Yes, hundreds of "extrasolar" planets, i.e., planets outside our own Solar System, have already been discovered.
Solar system
Most extrasolar planets are found close to their parent stars because current planet detection methods are biased towards detecting larger planets that are closer to their stars due to the limitations of technology. These close-in planets are easier to detect because they have a greater impact on their star's light or motion. As technology and detection methods improve, we are discovering more distant planets from their stars.
There may be planets orbiting stars in the constellation Gemini, but planets do not orbit whole constellations.
Perhaps orbiting around other stars, but we have yet to find them.
We expect the Andromeda galaxy to be just like our own Milky Way galaxy. We can see stars (suns) in the Andromeda Galaxy and just as stars have planets orbiting them in our galaxy, we believe that there must be planets also orbiting stars in the Andromeda galaxy.