(I'm astrophysicist Neil deGrasse Tyson.) Some with billions, others with trilions of stars, these are the fundamental building blocks of visble matter in the universe; they come in many varieties including spiral, irregular & elliptical
[DOC] [TLE] This is the most detailed map yet of our place in the universe | The ... [PAR] Nebula - a cloud of gas and dust in outer space, visible in the night sky either as 
an ... been anyone in this massive universe but by some miraculous stroke of 
probability, I'm me.