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Which sources of light have been found to be collections of billions of stars and not individual stars?
They are called Galaxies.
What are the three natural sources of heat and light?
sun,stars and fireflies.
What objects in space emit or reflect light?
sun, stars, galaxies, nebulae, and meteors
What are three other sources of light besides the sun?
-- fireflies -- campfire -- stars -- match -- compact fluorescent light
What is the purpose of stars?
The stars are energy sources.
What are two sources of visible light waves?
A primary light source is one that actually produces light, such as a light bulb or the sun. A secondary light source in one that ONLY reflects the light produced by a primary light source. It doesn't produce light itself, such as a mirror or the moon.
What are the primary sources of light?
The primary sources of light are natural sources like the sun, stars, and lightning, as well as artificial sources like light bulbs, candles, and fires. Light is electromagnetic radiation that our eyes can detect in the visible spectrum, allowing us to see our surroundings.
Why stars are light sources?
It have its own light
What sources of bright light in the universe?
Stars.
Why is light an important tool used in astronomy?
Stars are the sources of light. If they did not emit light, there would be no stars and thus no astronomy.
Which of the following are sources of bright light in the universe?
stars
What are sources of bright light in the universe?
Primarily stars, more specifically stars where fusion is occurring.
Are all-stars light sources?
Yes , cause it has it's own light
What is often a secondary sources?
A secondary source is one that pulls from primary sources. Primary sources are direct reporting or accounts of historical events from those who witnessed them, and secondary sources analyze and summarize those.
What is the universe's primary source of light?
Most of the light in the universe comes from the stars. Stars create their own light using nuclear fusion.
Which sources of light have been found to be collections of billions of stars and not individual stars?
They are called Galaxies.
What are common sources of light?
Some common sources of light are celestial light (stars/the sun), oil, gas, fire, and bioluminescent objects.
