ELI5: Explain Like I'm 5

Astronomical symbols

Astronomical symbols are pictures that astronomers use to represent things like planets, stars, and other celestial objects. They are kind of like little pictures that help astronomers talk about space without having to use a bunch of words.

For example, the symbol for the planet Venus looks like the symbol for female (♀). The symbol for the planet Mars looks like the symbol for male (♂). So when an astronomer wants to talk about Venus or Mars, they can just use those symbols instead of saying the whole name.

Some of the symbols look like the objects they represent. The symbol for the sun looks like a circle with a dot in the middle (☉). The symbol for the moon looks like a crescent shape (☽). The symbol for the constellation Orion looks like a stick figure of a person with a belt around their waist (♃).

Astronomical symbols have been used for hundreds of years, and they make it easier for astronomers all over the world to communicate with each other. Plus, they're kind of like a secret code that only astronomers know!