In addition to the above disturbing facts, of the 20 407 taxpayers that did claim (there is no specific statistics regarding autism), the total amount of medical expense tax deductions claimed for the 2008 tax year was only R905 million.
When Earth and Mars are furthest apart. On the opposite end of the scale, Mars and Earth can be 401 million km apart (249 million miles) when they are in opposition and both are at aphelion. The average distance between the two is 225 million km. When Mars is Close, Youâre Go For Launch. Mars and Earth reach this closest point to one another approximately every two years. And this is the perfect time to launch a mission to the Red Planet.
The distance to Mars from Earth varies as the planets orbit the sun. Every two years, they get as close as 55 million kilometers (34,175,400 miles). Space agencies time spacecraft launches to that planet to take advantage of such orbital alignments.