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A light year is the distance covered by light in a year. So a light year is greatest when the speed of light is greatest: that is, in vacuum. However, since much of outer space is near vacuum, a light year is near enough a constant measure.
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How do you measure lengths greater than a mile?
light years? :P
If the radius of an objective mirror of a telescope is tripled its light-gathering power is likely to become?
9 times greater.
When does the parallax effect become useless?
The parallax effect becomes unnoticeable after 1,000 light years.
Which has greater energy a quantum of yellow light or a quantum of violet light?
Violet light has greater energy because it has higher frequency than yellow light
What are the distances represented by a light year an astronomical unit and parsec?
A light year is the distance that light will travel in one year. A parsec is short for parallax second, which is also a measure of distance.Answer 1 Parsec = 3.26163626 light years 1 light year = 0.30659458 Parsecs
The refraction of light in a diamond is greater for?
Short Wavelength light
What has a greater frequency yellow light or green light?
green
Is a light year have greater distance or a astronomical unit?
A light year is about 63,000 times greater than an astronomical unit.
Light travels slower in a material with greater what?
Light travels slower in a material with greater optical density.
How do you become younger in fable?
You become younger by donating to the temple of light with i think $50,000 and then then the monks will take away 5 years of your age. But you can only do this once.
What rule must be applied to inequalities when you divide or multiply by a negative number?
You have to flip the inequality sign. If it is less than(<) it has to become greater than(>). If it is greater than(>), it has to become less than(<). If it is less than equal to(<=), it has to become greater than equal to(>=). If it is greater than equal to(>=)., it must become less than equal to(<=).
On the fourth day God created the greater light for what?
And God made two great lights; the greater light to rule the day, and the lesser light to rule the night...
