The Mars Pathfinder mission

The Mars Pathfinder mission was designed to be a revelation of the technology to put a lender and a rover on the surface of Mars so for cost effective and resourceful. Pathfinder not only met their goal, but also sent to Earth an amount of data and outshine extraordinary uptime for which it was designed.

Mars Pathfinder used an innovative method to enter directly into the Martian atmosphere, aided by a parachute to slow its descent through the thin Martian atmosphere and a giant system of airbags to cushion the impact. 

Astronomical unit has been changed

At the meeting in Beijing, the International Astronomical Union conference, present her scientists decided that would make a redefinition of the astronomical unit. One astronomical unit will continue to be equal to the distance from the Earth to the Sun, but at the same time, scientists now will be secure the monotonous exact evaluation. Now assumed the value of one astronomical unit is equal to 149597870700 meters.