Sun and other stars, like Sirius are able to produce light of their own.
the sun
Cities can be seen from space.
comets and asteroids
Well many things one of them is the moon! Many people used to think that is would shine or produce it's own light but now people know that the light from the sun is reflected off of it.
Planets, planetesimals, moons, comets, asteroids, and space dust all orbit the Sun and none produce any light.
the sun
Cities can be seen from space.
Illuminated objects
Because light can't directly reach the objects, or reflect well off the inside walls of the box. So not enough light bounces off the walls, then bounces off the objects, and then goes to your eyes.
a lightbulb
they use light-years to determine the space between objects in space
from the sun
comets and asteroids
Hubble
Stars.
Light goes incredibly fast through space, bouncing off objects.
Objects in space that can only be viewed from earth becouse of reflected light energy are said to be