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NASA Delays Mars Mission Over Instrument Leak
The SEIS instrument is the light-colored dome at lower left.
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The US space agency NASA said it has suspended the planned launch of a Mars lander called InSight in March 2016 due to unsuccessful attempts to fix a leak in a French-built seismological instrument.
NASA has delayed its next mission to Mars because of an instrument leak in the vacuum container that carries its main sensors.
In just three months, NASA’s Mars InSight lander was set to launch. Without a ideal vacuum environment, the results can’t be trusted.
“It’s a very close decision”, Marc Pircher, director of CNES’ Toulouse Space Center, told reporters during a teleconference.
InSight was created to study the geological conditions of the red planet including its seismic activity.
The plan was to send the “Interior Exploration using Seismic Investigations Geodesy and Heat Transport” (InSight) lander, which would then drill deep into the Martian ground to give scientists a better understanding of Mars’ evolution as a rocky planet. Essentially, the lander is purpose-built for sniffing out earthquakes (or “marsquakes”), and can measure movement in the ground as small as the width of an atom.
NASA managers said a redesign of the part could take up to five years. “The 2018 opportunity is actually energetically more favorable, so it might mean a little bit wider launch window and opportunities for us”, he said.
According to Grundsfeld, officials from the space agency are still debating if and how this financial factor will affect the upcoming mission.
“Learning about the interior structure of Mars has been a high priority objective for planetary scientists since the Viking era”, Grunsfeld said. So far, $525 million has spent on the $675 million mission.
In 2012 NASA chose InSight over other proposed missions to sail a boat on the seas of Saturn’s moon Titan and to hop across the surface of a comet. The agency will review designs to fix the problem with the instrument, and also estimate the cost of putting the mission on ice for 2 years-and whether that can be paid for.
Originally, NASA was aiming to launch the InSight mission in March of next year.
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SEIS was built with the participation of the Institut de Physique du Globe de Paris (IPGP) and the Swiss Federal Institute of Technology (ETH), with support from the Swiss Space Office and the European Space Agency PRODEX program; the Max Planck Institute for Solar System Research (MPS), supported by DLR; Imperial College, supported by the United Kingdom Space Agency; and JPL. Meanwhile, NASA is readying yet another rover for launch to Mars in 2020.