'In 1844 Friedrich Bessel discovered that Sirius was one of these, also called a double or twin star'
a binary
LET'S GET SIRIUS: In 1844 Friedrich Bessel discovered that Sirius was one of these, also called a double or twin star
In 1844 Friedrich Bessel discovered that Sirius was one of these, also called a double or twin star
In 1844 Friedrich Bessel discovered that Sirius was one of these, also called a double or twin star
LET'S GET SIRIUS
a binary
LET'S GET SIRIUS