Starborn

Said to be born of the stars, starborns are found on sites where meteors crashed, making them exceedingly rare specimens. Most of them came to be existence during the rain of falling stars, when the Starscourge was slain.

Traits

Ability Score Increase. Your Charisma score increases by 2.
Age. Starborn mature much slower than humans, reaching adulthood after 200 years, they can live up to 2000 years old.
Size. Starborn have the same range of height and weight as humans. Your size is Medium.
Speed. Your base walking speed is 30 feet.
Darkvision. Your eyes were made to see through the darkness of space. You can see in dim light within 60 feet of you as if it were bright light, and in darkness as if it were dim light. You can't discern color in darkness, only shades of gray.
Shard of Infinity. You are born of the galaxies and their endless void. You have resistance to cold damage.
Astral Being. You are extremely aware of the force that gravity exerts upon you. You have advantage on saving throws against being knocked prone or moved against your will.
Languages. You can speak, read, and write Common and Celestial.
Subraces. Depending on their life cycle, Starborns have different subraces, which represent their variation in age. The youngest are called Nebula, followed by Giants and finally Novas. The DC for abilities given by the subraces is equal to 8 + twice your proficiency bonus.