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If two objects moved towards each other with half the speed of light then are they moving at the speed of light relatively?
Wiki User
∙ 14y ago
due to relativistic effects such as time dilation, an observer in either object (an observer in the same inertial frame of reference) will see the other object moving at the speed of light
see http://math.ucr.edu/home/baez/physics/Relativity/SR/velocity.html for the mathematics behind it
Wiki User
∙ 15y ago
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What is the word for a Plant that grows towards the light?
phototropic (details from another answer) movement of or growth of plant in response to external stimulus. e.g. growth of root towards gravity - geotropism growth of shoot towards the light - phototropism hydrotropism is exhibited by lengthening of roots towards water source and finally, thigmotropism is growth towards solid objects -support by climbers
Scientists' evidence for an expanding universe is called a because the light waves emitted by stars and galaxies are shifting toward the end of the visible color spectrum.?
Many objects observed in the universe show a red shift. It is believed that this red shift is caused by a Doppler effect - that is, that the objects are moving away from us at a significant fraction of the speed of light. If this is true, then it is evidence for an expanding universe.
When the wavelength of a spectral line emitted from an object increases which end of the visible light spectrum does not move toward and what is the objects motion relative to earth?
Increasing wavelength is an indication of a Doppler shift caused by an object moving away from the viewer. Longer wavelengths (of the visible spectrum) are redder, shorter wavelengths are bluer. Objects moving away from you have a red shift, objects moving toward you have a blue shift.
Can there be purple shift aswell as blue shift and red shift?
Redshift and blueshift refer to a change in frequency of light we receive from distant objects (stars, galaxies, etc.) The light can turn different colors, and purple is one of them. However, no matter what the color the light changes to, the technical term is always "redshift" if the frequency of the light decreases (normally indicating that the object is moving away from us), and "blueshift" if it increases (normally indicating that the object is moving towards us). Blue shift and purple shift would mean the same thing because the spectrum is one-dimensional. It's like if you are in Boston, a shift towards Chicago is the same as a shift towards San Francisco. Obviously, a purple shift is a super blue shift.
What displays of light is caused by something burning up in earth's atmosphere?
Objects that are burning up in Earth's atmosphere are generally moving very quickly, therefore the display of light that you see will appear as a streak.
Objects that are moving away from us give off what light and objects that aremoving toward us gives what light?
Due to the doppler effect, objects moving toward us will be slightly more red than what they actually are, and objects moving away will be slightly more blue. Think of it like a siren coming toward you and moving away from you. If it is moving toward you, it will be slightly higher than what it really sounds like. If it is moving away it will have a slightly lower pitch.
How fast is the light from the star moving towards the earth?
47km/h
How do you make a shadow biger?
Moving the object towards the source of light
Which light is called the incident ray?
To be Specific, It would be the ray of light which is moving towards the medium.
What happens to the frequency of light and its colour when objects travel towards you and away?
It will shift towards red ( becomes lower) as it moves away and towards blue as it approaches.
What is stroboscopic light?
A stroboscopic light, or strobe light, is a device which discharges flashes of light which causes moving objects to appear stationary or slow-moving. The flashing light has been known to cause seizures in people who suffer from epilepsy.
Why are objects obscured in water?
Something about fluids constantly moving, and particles scattering light, maybe?
What does the term blue shift refer to?
It refers to an increase in frequency (and decrease in wavelength) of light or other electromagnetic waves, if the object that emits the waves is moving towards us. The opposite is REDSHIFT, which happens when the object moves away from us.
What is the word for a Plant that grows towards the light?
phototropic (details from another answer) movement of or growth of plant in response to external stimulus. e.g. growth of root towards gravity - geotropism growth of shoot towards the light - phototropism hydrotropism is exhibited by lengthening of roots towards water source and finally, thigmotropism is growth towards solid objects -support by climbers
Time difference of objects at speed of light compared to time on earth?
If you observe a clock moving past you at the speed of light, it will appear to you to have stopped.
When viewed from earth the light from very distant galaxies shows a red shift evidence that these distant galaxies moving towards or away from earth?
The "redshift" refers to the fact that the light is less energetic than when it was emitted; it shows that the galaxies move away from us. Should a galaxy move towards us - which is possible only for galaxies that are relatively close to us - then there would be a blueshift.
What is focus in science?
In physics, the point where waves of light or sound are moving towards each other and meet
