How to write two sentences with the explanation method of "giving examples, listing numbers, making comparisons and making metaphors"?

For example, scientists have put forward many ideas, for example, establishing an immigration base on Mars or the moon.

Numbers: The earth is a planet with a radius of only over 6,300 kilometers.

Compared with the vast universe, the earth is very small.

For example, Sete Caidas Falls hangs its head helplessly in the mountains, trying to become a dying old man, looking haggard and dying.

Quote: Einstein once said: "Genius equals 1% talent and 99% sweat". (Quoting other people's words or materials usually appears in the explanatory text)

Suppose: If there were no sun, the earth would be dark and cold everywhere, without wind, frost, rain and dew, without plants and animals, there would naturally be no people.