mars
Inner planets are rock with minerals similar to those on Earth
in term of shape
It's atmosphere is similar like ours on earth
If by gas you mean an atmosphere, there are no planets with an atmosphere anywhere similar to Earth.
Astronomers have found Earth-sized planets in other solar systems.
Us & Venus. Gotta love those Venusians.
Scientists study archaebacteria because they are capable of surviving in extreme environments similar to those found on other planets. By understanding how these organisms thrive in harsh conditions on Earth, researchers can gain insights into the potential for life to exist in similar environments elsewhere in the universe. Archaebacteria also provide valuable clues about the origins and evolution of life on Earth.
Venus is most similar in size and mass to Earth. Both planets are considered terrestrial planets and have similar compositions and densities, which is why they are often referred to as "sister planets."
Mars is very similar to Earth. Mars' year and day are very similar to Earth compared to other planets.
Yes. There are estimated to be at least 100 billion planets in our galaxy alone, some of which seem to be similar to Earth. Given those numbers it seems pretty likely that life would have emerged on planets or moons aside from Earth.
Earth and Mars are both terrestrial planets. Both planets have about the same amount of dry land surface areas. Mars, like Earth, has volcanoes, canyons, and impact craters.
Yes. All planets have gravity. Earth is one of those inner planets.