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What would happen to light from other galaxies as it reaches Earth?
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Most of the Sun's ultraviolet light reaches the Earth's surface?
If that will happen life on earth would be wiped out. Most ultraviolet light heading for earth would be blocked by the ozone layer.
Why is it important to know how long light takes to reach the Earth?
Since light travels at a known speed and changes in frequency as it travels, it provides a way of measuring the distance to faraway stellar objects (stars, galaxies). This provides important clues to the structure of the universe. To the naked eye, dim nearer objects (asteroids, planets, stars) look the same as bright faraway ones (galaxies). Some distant stars and galaxies whose light reaches the Earth today no longer exist, at least not in the form they had when the light was emitted, many millions of years ago. As for the light from the Sun, its 8-minute travel time to Earth is an interesting concept, but has little bearing on how the Sun affects the Earth.
Do galaxies emit light?
Yes galaxies emit light
What percent of the sun light that reaches the earth that absorbs by plants?
3%
What would happen if Earth had a highly elliptical orbit when it gets as far as a light year from the sun and as close at a million miles from the sun?
If the earth moves from its orbit, might be it will be permanently dark to earth till we reaches the another solar system.
When the ultraviolet light from hot stars in very distant galaxies finally reaches us what form does it reach the Earth in?
visible light
Most of the Sun's ultraviolet light reaches the Earth's surface?
If that will happen life on earth would be wiped out. Most ultraviolet light heading for earth would be blocked by the ozone layer.
Are some spiral galaxies up to 13 billion light-years from Earth?
Yes. Some spiral galaxies are up to 13 billion light-years from Earth.
Are some lenticular galaxies nearly 13 billion light-years from earth?
Yes, there are some lenticular galaxies that are nearly 13 billion light years from the earth.
Does the Earth produce its own light?
The earth does not produce its own light but it reflects the light rays from the sun that reaches its surface.
Why is it important to know how long light takes to reach the Earth?
Since light travels at a known speed and changes in frequency as it travels, it provides a way of measuring the distance to faraway stellar objects (stars, galaxies). This provides important clues to the structure of the universe. To the naked eye, dim nearer objects (asteroids, planets, stars) look the same as bright faraway ones (galaxies). Some distant stars and galaxies whose light reaches the Earth today no longer exist, at least not in the form they had when the light was emitted, many millions of years ago. As for the light from the Sun, its 8-minute travel time to Earth is an interesting concept, but has little bearing on how the Sun affects the Earth.
Why galaxies look faint from earth?
Because they're hundreds of thousands of light years away from Earth.
Are some spiral galaxies nearly 13 billion light-years from earth?
Yes, there are some spiral galaxies that are nearly 13 billion light years from Earth (I.e. T2003 1529 in the Ursa Major constellation).
What is the light ray that reaches the earth at night called?
moon
What is the sun most responsible in producing?
Heat!!!!!! While the sun does produce a lot of heat, none of it reaches Earth. What reaches Earth is electromagnetic energy (light). Some of this light is converted to heat here on Earth, such as some of the light that hits your skin.
Why do galaxies look faint to people on earth?
because they're hundreds of thousands of light years away from earth
How many light years is the earth the the other galaxies?
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