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Because it will appear larger, and it will thus (and also because its closer) appear brighter. Remember that the intensity of light perceived is proportional to the surface area of the emitter, and inversely proportional to the square of the distance to the emitter.

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Q: Why is it easiest to see mars when it is closer to earth?
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Why is it easiest to see mars when it is closest to the earth?

because it is colder and the earth moves sidewards towards the face so mars to make it possible it makes it look easier to see.


Why is it easiest to see mars when its closest to the earth?

Because it is closest to us so it looks bigger in the sky....


Is Mars moving closer to earth August 2009?

On that date, the red planet will be nearly 250 million km away from Earth and completely absent from the evening sky. See related question for information about the Mars email hoax.


Was mars ever close to earth before 2003?

Yes. Mars comes fairly close to Earth about every 26 months or so as the Earth passes Mars in its orbit. Some approaches are closer than others, due to the fact that both planets are in elliptical orbits. You can see a simulation of Mars and Earth in their orbits at http://www.windows.ucar.edu/tour/link=/mars/mars_orbit.html. When Mars is closer and Earth is farther away from the Sun, as in August 2003, they do get quite close. But they have had such close approaches every few hundred years since the planets formed 4+ billion years ago.


Can you ever see a crescent Mars?

No, you can't ever see a crescent Mars from Earth. Because Mars is farther from the sun than Earth is, there is no point at which less than half of Mars' illuminated size is facing Earth. In other words Mars will always appear as "full" or "gibbous."


Does the earth's moon look bigger or smaller from Mars?

Without a telescope you probably couldn't see earth's moon from Mars.


Can you see the Milky Way from Mars?

Yes. The view of the stars on Mars is the same as it is on Earth.


What can the Hubble telescope see?

You can see Earth, Mars, the Moon and galaxies!


When can you see mars without a telescope from earth?

yes


Can you see earth from Mars?

While no humans have gone to Mars yet to look, we would certainly expect to be able to see Earth from Mars. It would probably look very much like Venus does to us here on Earth.


Which planet is easiest to see from earth?

Venus can be the brightest planet. Jupiter is the next brightest and can be seen in the middle of the night when the sky is darkest. Venus (whos orbit is closer to the Sun than the Earth orbit) can never be seen at midnight.


How can you see mars when it doesn't give out light?

You see Mars the same way you see the other planets such as Jupiter or Venus; the same way that you see ANYTHING. Light from the Sun shines on all the planets just as it does on Earth, and the reflected light from Mars comes back to your eye here on Earth.