The "nucleus".
Stars
No. Quasars are at the centers of distant galaxies.
visible light
cuz they are explorers
They study distant galaxies because they want to know whats out in other galaxies and how many planets it has
galaxies
Moving away from us
Away from us.
The number of stars, as in distant "suns", are large. In our solar system, there is one star. In our galaxy, there are many, many stars. In all the visible galaxies, the number is yet larger. And what about all the presumed galaxies beyond our vision?
Because in the spring, the night sky is pointed out of the Milky Way and therefore it is easier to see distant galaxies.
There are distant galaxies all around us - in all directions, and at varying distances.
the answer is "first".