Which one? mars
the only planet that scientists do not consider a planet is Pluto, (but they also found new planets in the asteroid belt.)Pluto
The vetting by the body in charge is the final step that the scientists have to follow before a new planet is announced.
they have learnt a bunch of new things
The simple predicate is "have learned" because it shows the action or the verb that the subject "scientists" is doing.
They have learned that Earth revolves around the Sun.
list three things that the scientists learned about earth in the 1800's?
As of now, there is no evidence of life on the new planet. The exploration and study of exoplanets are ongoing, but detecting life beyond Earth remains a challenging task. Scientists are searching for signs of habitability and potential biosignatures to determine the possibility of life on exoplanets.
Scientists have discovered that the rings of this planet are very thin, that it is way more larger than and massive than our own moon but a lot remains a mystery!!!!!!!!!!!!!!!!!!
Currently scientists are finding many new planets every year orbiting other stars.
Scientists have learned how to synthesize new elements. The ability to synthesize human tissues is a great medical advance.
Don't think so. Some scientists think that but others thought it was just a really big meteorite.
The IAU arrived at a new definition for "planet" which left Pluto out in the cold. It is now designated as a "Dwarf Planet". also it was called a planet when is was larger but now it has become smaller scientists no longer class it as a planet