We don't have the means to detect or observe planets in other galaxies.
But so many hundreds of them have been discovered in our own galaxy
that it's a safe bet that other galaxies must have them too, in abundance.
Yes.
The other planets are not similar to dwarf planets.
The other planets do have gravity.
yes we can live
The other two planets are Mercury and Venus.
no thunder does not appear in other planets
No, other planets are rotating at other speeds.
There are many other planets in many other galaxies.
As of now, the only planet known to have its own moon is Earth. Other planets in our solar system have moons but no planets of their own. In our solar system, moons primarily orbit around planets rather than planets orbiting around other planets.
NO- People have found water on other planets but there is no life there.
Yes Oxygen is present in other planets.
Very probably