Apparently:
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Earth, also called the world and,
less frequently, Gaia (and Terra in
some works of science fiction) is the third planet from the Sun, the
densest planet in the Solar System, the largest of the Solar System’s
four terrestrial planets, and the only astronomical object known to
accommodate life. The earliest life on Earth arose at least 3.5 billion
years ago. Earth’s biodiversity has expanded continually except when
interrupted by mass extinctions. Although scholars estimate that over 99
percent of all species, amounting to over five billion species, that
ever lived on the planet are extinct, Earth is currently home to 10–14
million species of life, of which about 1.2 million have been documented
and over 86 percent have not yet been described. Over 7.3 billion humans
depend upon its biosphere and minerals. Earth’s human population is
divided among about two hundred sovereign states which interact through
diplomacy, conflict, travel, trade and communication media.
From https://codepoints.net/U+2641?lang=en which refers to https://en.wikipedia.org/wiki/Planet_symbols#Earth_symbol.