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How many light years from earth is mars?
Well traveling at the speed of light would take 4 minutes, so if you want to convert that to years...have fun :)
What is the distance between sun and earth in light years?
The Earth is 8.3 light-MINUTES(0.0000152207001522070015220700152207 light years) from the Sun.
How many light years is nearest star to earth?
The Alpha Centauri star system is the nearest to the earth, and it actually consists of 3 stars locked together in a gravitational arrangement. They are about 4.3 light years from the earth.
If a spiral galaxy is 11 billion light-years from Earth and its apparent size is 0.01 arcmin what would its diameter be?
30,000 light-years (3 times smaller than the Milky Way).
If a spiral galaxy is 3 million light-years from Earth and its apparent size is 140 arcmin what would its diameter be?
120,000 light-years (1.2 times larger than the Milky Way).
If an elliptical galaxy is 3 billion light-years from Earth and its apparent size is 0.2 arcmin what would its diameter be?
170,000 light-years (1.7 times larger than the Milky Way).
What percent of the sun light that reaches the earth that absorbs by plants?
On average, about 2-3% of the sunlight that reaches the Earth is absorbed by plants during photosynthesis. This energy is used by plants to convert carbon dioxide and water into glucose, which fuels their growth and development.
How far away is Kochab from Earth?
From Wiki:126 ± 3 ly(38.8 ± 0.8 pc)
How many light year away from home was et?
In the movie "E.T. the Extra-Terrestrial", E.T. is from a planet located 3 million light years away from Earth.
How many light years is venous from the earth?
Its way less than 1 lightyear, so it's not counted in lightyears. Its about 3 light minutes depending on orbit
How far is the star alderamin from earth?
Any unit of length can be used; for example the official unit of length, which is the meter. However, to avoid having to write large numbers, the following three units are often used in astronomy: (1) The astronomical unit, the average distance between Earth and the Sun. Used mostly for measurements within the Solar System. (2) The light-year; the distance light travels in a year. Approximately 9.5 x 1015 meters. (3) The parsec. A star at this distance would appear to have a parallax of one arc-second. Equal to approximately 3.26 light-years.
How far from earth to betelgeuse in miles?
Betelgeuse is 640 light-years away from the Earth. 1 light-year is the distance traveled by light in 1 year. speed of light = 3 x 108 meters per second So, 1 ly = 3 x 108 x 365 x 24 x 60 x 60 = 9.46 x 1015 meters 640 light-years = 640 x 9.46 x 1015 = 6.05 x 1018 meters 1 meter = 0.621 x 10-3 miles 640 light-years = 6.05 x 1018 x 0.621 x 10-3 = 3.76 x 1015 miles That is 3,760,000,000,000,000 miles.
