Curiosity is the newest Mars rover built by NASA. It was launched November 26, 2011. It landed on Mars August 6, 2012. It will be staying there for two Earth years, (or 1 Mars year) in order to carry out many important scientific tasks for the analysis of Mars soil in the search for life on Mars.
The Hubble Space Telescope cost about $1.5 billion to build and place into orbit. From its first pictures, imaging teams realized there was a problem. It turns out the primary mirror was ground incorrectly. The curvature was not to specification, and as an image was analyzed from the center out, the clarity of the image fell off. Poor resolution at the edges of an image made analysis of anything little more than a point object out of the question. The problem was traced to a null corrector at the mirror manufacturer's site. It was assembled with incorrect spacing in a component, and the null corrector was then used to check the mirror and guide grinding during the shaping of the surface of the reflector. The flaw in the instrument was translated onto the mirror. A link to the Wikipedia article on the Hubble is provided. So is one to a N.Y. Times article on the glitch. Incidentally, the Mars Rovers have been spectacularly successful, and continue operating a full six years beyond their expected mission lifespan. The question might be referring to the unsuccessful Mars Climate Orbiter, which was launched in December, 1998.
planet mars udiscy ?
they gather samples and data from planets we cant get to like mars
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No one has sent 15 rovers to Mars
Mars rovers were made sometime in the 1970's
All of their Mars Rovers have wheels.
the two rovers are:- Spirit and Opportunity.
They are taken there, by spacecraft.
rovering mars
No. But rovers have.
Rovers
yes, the mars rover
As of November 2016 there are two operational Mars rovers: Opportunity and Curiosity.
There have been four Mars rovers: Sojourner, Spirit, Opportunity, and Curiosity. The Perseverance rover is the fifth Mars rover launched and is currently active on Mars.
There have been seven attempts at sending rovers to Mars of which four landed successfully.