When used this way in the present tense, the hay form of haber is used. 1  Hay que saltar. 2  Hay que conocerlo para comprenderlo. 3  HabrÃ¡ que salir a las dos.
So, even though we cannot actually count the number of stars in the galaxy, we can estimate the number of stars in the galaxy as roughly 100 billion (100,000,000,000). It turns out that there are many more stars with mass less than the mass of the Sun than with mass more than the mass of the Sun. So, it all works out right.
1011 (100 billion) â This is about the number of stars in the Milky Way and the number of galaxies in the observable universe (100-400 billion)âso if a computer listed one observable galaxy every second since Christ, it wouldnât be anywhere close to finished currently.