NASA told, how is the solar eclipse on Mars

Highlights

A solar eclipse occurs on Mars like Earth.
There is a very different type of solar eclipse on Mars
Three NASA rovers have made videos of solar eclipse on Mars

The system of Earth and Moon is very unique. There are many reasons for this. One of them is that the size of the Moon and the Sun are visible from the Earth itself. Due to this, the Solar Eclipse on Earth is also very unique. In which the Moon covers the Sun properly. But Mars and its moons Phobos and Deimos also cause solar eclipses. But there is a big difference between the solar eclipses of both Earth and Mars. NASA’s Opportunity, Curiosity and Perseverance rovers have recorded videos of solar eclipses of Mars. NASA has released these videos. NASA has told about this difference.

Moon is very small in size
Like Earth, the shadow of the moons of Mars also falls on Mars. Where Phobos can complete one revolution of Mars in 7.65 hours and Deimos in 30.35 hours. Both these moons are much smaller than our Earth’s moon. Apart from this, the shape of both of them is also not completely round. In this way, technically they are not able to actually make a complete eclipse of the Sun.

never seems to be a complete eclipse
When both the Moons of Mars come between Mars and the Sun in their respective times, observers on the surface of Mars will never see the Sun completely covered, as in a solar eclipse of Earth. Rather, these natural satellites from Mars will be visible only as a spot on the Sun during transit.

also an effect of eclipse
Scientists have observed a strange effect of the shadow of Phobos on Mars. The InSight lander tilts slightly during such an event to measure the seismic activity of Mars. Scientists say that this is due to deformation in the surface of Mars, which cools the surface slightly due to less solar radiation.

On Mars, the solar eclipse of its moon Phobos does not completely cover the Sun. (symbolic photo: NASA)

Different effects of the two moons
Of the two moons, Phobos casts the largest shadow on the surface of Mars and at the time of eclipse it blocks 40 percent of the light coming from the Sun. At the same time, the second moon Deimos is a little farther away and is also smaller, which can block very little light. This makes it clear how accurate the positions of the Earth and the Moon are.

Read also: Now those places of the moon can be seen which are always in darkness

Why Earth’s Solar Eclipse Is So Unique
Where the spherical moon completely covers the sun at the solar eclipse of the earth while the moon is much smaller than the sun in size. This is because while the Moon is 400 times smaller than the Sun, it is also 400 times closer to the Earth than the Sun. That is why the size of both of them appears the same in the sky and when a solar eclipse occurs, the Moon covers the Sun almost completely.

Research, Space, Mars, Earth, Moon, Solar Eclipse, Solar Eclipse on Mars, Phobos, Deimos,
The moons of Mars have very different effects on it. (symbolic photo: shutterstock)

Why do rings appear?
But the shapes of the orbits of the Sun and the Moon are also not perfectly circular, so that the two are not always at the same distance from the Earth. Because of this, their shape also changes. This is the reason why we get to see such a solar eclipse only once in a year when the Moon is not able to completely cover the Sun and a ring is seen around it.

Read also: Which plant will be the first to be grown on Mars and why?

An interesting thing is that the Moon is moving away from us by 3.82 cm every year and after 600 million years the situation will be that the Moon will move so far away from the Earth that the solar eclipse will stop visible on the Earth’s surface. But Mars is in reverse with Phobos, it is slowly coming near Mars and at one point a total solar eclipse will be seen on Mars.

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Tags: earth, Mars, Moon, Research, Science, Space

FIRST PUBLISHED : September 01, 2022, 12:04 IST

The article is in Hindi

Tags: NASA told solar eclipse Mars

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