black hole as they have a very powerful gravitational pull such that even light could not escape its gravity and fall into it
Anything hot enough - topped by stars.
A star emits light, this light travels through empty space to Earth. Note that stars are extremely bright; stars are similar to our Sun.
i don't know this thing is screwed >:)
luminous objects allows to absorb ans emits light.
a lightbulb
they use light-years to determine the space between objects in space
from the sun
Hubble
the sun
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
The objects/bodies which do not produces(emits) light on their own are known as non-luminous material. For ex- moon