Tag Archives: Schiaparelli

What Happened to Schiaparelli?

New glimpses from the Mars Reconnaissance Orbiter and ongoing data analysis are revealing the fate of the Schiaparelli lander.

Schiaparelli landing details

The Mars Reconnaissance Orbiter’s newest image of Schiaparelli’s landing site.
NASA / JPL-Caltech / University of Arizona

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A week after Schiaparelli’s fatal plunge, a picture is emerging (literally) to explain what happened to the ExoMars lander.

There is no shortage of derelict spacecraft dotting the surface of Mars, some of whose ends have remained mysterious for decades. But unlike the loss of Beagle 2 in 2003 or NASA’s Mars Polar Lander in 1999, the European Space Agency’s Schiaparelli Entry, Descent and landing Module (EDM) demonstrator was designed to transmit data though all stages of descent. The Giant Metre-wave Radio Telescope tracking station in Pune, India and ESA’s very own Mars Express were listening to the lander’s “six minutes of terror,” during entry and descent.

What Happened to Schiaparelli?

Based on that data, here’s what appears to have happened. Atmospheric braking against the tenuous Martian atmosphere and parachute deployment were flawless and on time. Then, about 90 seconds prior to landing, things went awry.

First, the module jettisoned its heat shield and parachute early. Then to make matters worse, a computer glitch seems to have confused the lander, as miscommunication between its onboard navigational system and radar erroneously told Schiaparelli it was near the surface. So the braking rockets shut off after burning for only 3 seconds rather than the planned 60 seconds. At about 2 to 4 kilometers (1 to 2.5 miles) above the surface, Schiaparelli went into free fall.

Ultimately, Schiaparelli slammed into the Meridiani Planum region of Mars at an estimated 300 kilometers per hour (186 mph). The lander most likely exploded on impact. This past Friday (October 21st), NASA’s Mars Reconnaissance Orbiter captured a view of an ugly new crater of Mars, as well as a white spot that appears to be the parachute, which seems to bear this story out.

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Remote Sensors detect…

Robot looks up
  •  Frozen water found on asteroid
  • Planet 9 may be affecting our solar system
  • NASA’s MRO takes picture of Schiaparelli crash site
  • Curiosity and Opportunity still on the job
  • Juno update

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1) Asteroid   has frozen water on its surface: 16 Psyche, a metallic relic of the early solar system, just got weirder.

New research suggests that the asteroid 16 Psyche may have traces of water splattered across its surface. Infrared observations reveal the characteristic absorption of unexpected volatiles, hinting at impacts by water-bearing rocks crashing into the iron-rich asteroid that is suspected to be the relic core of a failed planet. READ MORE

2) Is Planet 9 (no, not Pluto!) messing with our solar system?

Earlier this year an announcement raised a tantalizing possibility: a ninth planet lurking in the outer reaches of our solar system. The announcement turned the astronomy and planetary science world upside down.

Caltech astronomer Michael Brown and theoretical astrophysicist Konstantin Batygin found evidence for a possible 10 Earth mass planet that may be tilting long-orbiting dwarf planets on their sides and shepherding them into clusters far past the orbit of Neptune in highly eccentric orbits. In the last several months, more and more papers have been published about the possible planet and how it might prove an explanation for other strange things happening in our solar system. READ MORE

3) NASA’s Mars Reconnaissance Orbiter has identified new markings on the surface of the Red Planet that are believed to be related to ESA’s ExoMars Schiaparelli entry, descent and landing technology demonstrator module.

A pair of before-and-after images taken by the Context Camera (CTX) on NASA’s Mars Reconnaissance Orbiter on 29 May 2016 and 20 October 2016 show two new features appearing following the arrival of the Schiaparelli test lander module on 19 October.

One of the features is bright and can be associated with the 12-m diameter parachute used in the second stage of Schiaparelli’s descent, after the initial heat shield entry. …

The other new feature is a fuzzy dark patch roughly 15 x 40 metres in size and about 1 km north of the parachute. This is interpreted as arising from the impact of the Schiaparelli module itself following a much longer free fall than planned, after the thrusters were switched off prematurely.

BTW, the loss of the lander is not a disaster for the ESA, the orbiter is doing fine. READ MORE

4) They’re aging, a bit wobbly, and some parts don’t work anymore, but they’re hanging in there…  They’re even taking selfies!  READ MORE

http://www.skyandtelescope.com/astronomy-news/curiosity-opportunity-udpate/?

5) Juno Update (October 19)  An anomaly caused the spacecraft to enter electronic hibernation at 1:47 a.m. EDT. The spacecraft acted as expected during the transition into this “safe mode,” restarted successfully, and is healthy. High-rate data has been restored, and the spacecraft is conducting flight software diagnostics. All instruments are off, and the planned science data collection for today’s close flyby of Jupiter did not occur. Scott Bolton (NASA) explained at the ongoing meeting of the Division of Planetary Sciences that the problem was with valves in propulsion system. Find more information from NASA’s recent press release. Meanwhile, data from the first perijove flyby are still revealing intriguing results, showing that Jupiter’s belt-zone structure extends at least 400 km deep!