Monday, August 27, 2012

Mars Hoax Day On August 27, 2012

Mars Hoax Day
August 27, 2012 is said to be a "Mars Hoax Day."

During this day, many people will reportedly receive an email claiming that on August 27th Mars will approach Earth, swell to the size of a full Moon and "will look as large as the full moon to the naked eye."

The Mars Hoax email was first sent in 2003 and it contains the following: 
The Red Planet is about to be spectacular! This month and next, Earth is catching up with Mars in an encounter that will culminate in the closest approach between the two planets in recorded history. The next time Mars may come this close is in 2287. Due to the way Jupiter's gravity tugs on Mars and perturbs its orbit, astronomers can only be certain that Mars has not come this close to Earth in the Last 5,000 years, but it may be as long as 60,000 years before it happens again.

The encounter will culminate on August 27th when Mars comes to within 34,649,589 miles (55,763,108 km) of Earth and will be (next to the moon) the brightest object in the night sky. It will attain a magnitude of -2.9 and will appear 25.11 arc seconds wide. At a modest 75-power magnification

Mars will look as large as the full moon to the naked eye. Mars will be easy to spot. At the beginning of August it will rise in the east at 10 p.m. and reach its azimuth at about 3 a.m.

By the end of August when the two planets are closest, Mars will rise at nightfall and reach its highest point in the sky at 12:30 a.m. That's pretty convenient to see something that no human being has seen in recorded history. So, mark your calendar at the beginning of August to see Mars grow progressively brighter and brighter throughout the month. Share this with your children and grandchildren. NO ONE ALIVE TODAY WILL EVER SEE THIS AGAIN
Mars really did swell to unusual proportions in 2003. On August 27th of that year, Mars came
within 56 million km of Earth—the nearest it has been in 60,000 years. However, the hoax stemmed from a misinterpretation of the sentence "At a modest 75-power magnification Mars will look as large as the full moon to the naked eye". The message was often quoted with a line break in the middle of this sentence, leading some readers to mistakenly believe that "Mars will look as large as the full moon to the naked eye" when, in reality, this sentence means that Mars enlarged 75 times will look as big as the moon unenlarged.

It is quite obviously scientifically incorrect that Mars, normally never more than a dot in the night sky, could suddenly become visibly large due to normal variations in orbit. If Mars did appear as large as the moon it would be so close that it would cause catastrophic gravitational effects—Mars has about twice the diameter of the moon, and hence would be about 2 times as far away for the same apparent size; it has 9 times the mass of the moon, and would have over twice the gravitational effect (9 times larger mass divided by relative distance (2) squared). Source: Wikipedia

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