Talking about the earth getting bigger.

Theoretically, the earth is getting bigger. Because of gravity, the earth will constantly absorb the gas and dust in the universe. But this adsorption process is very slow, and it is difficult to measure even by machine. Generally, the volume of the earth will increase by about 1 cm every1100 million years. But in fact, the volume of the earth will not change much, because the crustal movement will constantly change the strata, and it is possible to form peaks, oceans, basins, etc. Natural disasters such as earthquakes and tsunamis may bring surface materials underground. So the volume of the earth will not actually increase much.