Stars are often born in nebulae composed of interstellar gases called stellar nurseries.
a star
the north star
It is called "birthright" when one acquires citizenship based on their place of birth.
A Nebula
Typically it is a star. The star represents the star of Bethlehem, the star the wise men followed to the birth place of Jesus.
he was born in Arabia in a place called "Uz"
a nebula !
Star Yoo's birth name is Star Byol Yoo.
Darren Star's birth name is Darren Bennett Star.
Priscilla Star's birth name is Priscilla Star Diaz.
In astrology there aren't star signs but there are Sun, Moon, Mercury, Venus, Mars, Jupiter, Saturn, Uranus, Neptune and Pluto signs. You will need to know your date of birth, place of birth and time of birth for an accurate astrology chart which also includes angles, houses and aspects. A professional astrologer (myself included!) will able to do this for you if you give them your date, place and time of birth.
A new star is called a new nova. It is the result of an explosion from an old star after reaching the end of its life. The remains will compress to form another star in its place.