Before there was NINE, but now still it is believed as NINE because when Pluto was out,some people started spreading that an unknown person discovered a new planet.
Most planets' atmospheres are carbon dioxide, but that varies depending upon many factors.
There are many other planets in many other galaxies.
1...Earth
There are four gaseous planets.
Earth has no planets of its own. It is one and has one moon.
Yes Oxygen is present in other planets.
Shoot a MASSIVE rocket at it and see what happerns
they were discovered millions and millions of centuries ago and no use of thinking about it now,instead we can try to discover many other planets at present
The pull of gravity.
No it is not. Ozone is not present on all planets.
Most planets' atmospheres are carbon dioxide, but that varies depending upon many factors.
Astrology is the study of the influence of stars and planets on your future (and past and present).
Earth has an ozone layer in atmosphere. It is present in the stratospheric region. Other planets which have oxygen in their environment might have ozone.Some planets like earth do. Others might have.
Yes. Nothing has happened to them.
In this star system there are eight known planets. Previously there were nine, but Pluto has since been reclassified as a dwarf planet. Charon, previously regarded as a satellite of Pluto, has also been reclassified as a dwarf planet.
Within our solar system at the present time, no. Regarding planets orbiting other stars outside our solar system, our present technology is nowhere near able to tell.
Astrology is the study of the influence of stars and planets on your future (and past and present).