Michael H. Hecht

Last updated
Michael H. Hecht
39273 mars2020-moxie-michael-hecht-oxygen-pia20761 (cropped).jpg
Alma mater Princeton University, Massachusetts Institute of Technology, Stanford University
Known for Microscopy, Electrochemistry, and Conductivity Analyzer, Mars Oxygen ISRU Experiment, Event Horizon Telescope
Awards NASA Exceptional Achievement Medal, Breakthrough Prize in Fundamental Physics
Scientific career
Fields Planetary Science, Surface Science
Institutions Jet Propulsion Laboratory, Haystack Observatory
Website www.haystack.mit.edu/researcher/mike-hecht/

Michael H. Hecht is a research scientist, associate director for research management at the Massachusetts Institute of Technology's Haystack Observatory, [1] and former deputy project director of the Event Horizon Telescope. [2] He served as lead scientist for the Microscopy, Electrochemistry, and Conductivity Analyzer instrument on the Phoenix Mars lander, [3] and as principal investigator for the Mars Oxygen ISRU Experiment (MOXIE) instrument on the Mars 2020 rover. [4]

Career

Hecht obtained an A.B. in Physics from Princeton University, an MS from the Massachusetts Institute of Technology, and a Ph.D. from Stanford University in 1982. [5]

Hecht joined the staff of California Institute of Technology's Jet Propulsion Laboratory (JPL) in 1982, [6] where he researched microelectromechanical systems, surface and interface science, scientific instrument development, and planetary science. [5] He co-invented the Ballistic Electron Emission Microscopy system [7] and published several highly-cited papers on metal-semiconductor interfaces, [8] [9] for which he received the newly-renamed Lew Allen Award for Excellence in 1990. [6] [10] At JPL, as the supervisor of the Microdevices Laboratory's In-Situ Exploration Technology Group, [11] he developed the concept for the Deep Space 2 micro-landers, [12] which flew to Mars in 1999. [13] He was later named the project manager, co-investigator, and project scientist for the Mars Environmental Compatibility Assessment (MECA) instrument for the cancelled Mars Surveyor 2001 mission. [5] [14] The MECA instrument was later flown as the Microscopy, Electrochemistry, and Conductivity Analyzer on the Phoenix mission to Mars in 2007, [15] with Hecht as lead scientist and co-investigator, and was instrumental in the discovery of perchlorate in Martian soil. [16] [17] Based on that work, Hecht published highly-cited papers on the chemistry of Martian soil and the existence of water on Mars, [18] [19] [20] [21] and was awarded the NASA Exceptional Achievement Medal in 2010. [22]

After almost 30 years at JPL, Hecht was appointed as an associate director of MIT's Haystack Observatory. [23] In 2014, the MOXIE instrument, for which Hecht is the principal investigator, was selected as one of the instruments on the Perseverance rover for the Mars 2020 mission. [24] [25] [26] In 2019, Hecht was one of the scientists awarded the 2020 Breakthrough Prize in Fundamental Physics for his work with the Event Horizon Telescope to produce the first image of a supermassive black hole. [27] [28]

Related Research Articles

<i>Mars Pathfinder</i> Mission including first robotic rover to operate on Mars (1997)

Mars Pathfinder is an American robotic spacecraft that landed a base station with a roving probe on Mars in 1997. It consisted of a lander, renamed the Carl Sagan Memorial Station, and a lightweight, 10.6 kg (23 lb) wheeled robotic Mars rover named Sojourner, the first rover to operate outside the Earth–Moon system.

<i>Phoenix</i> (spacecraft) NASA Mars lander

Phoenix was an uncrewed space probe that landed on the surface of Mars on May 25, 2008, and operated until November 2, 2008. Phoenix was operational on Mars for 157 sols. Its instruments were used to assess the local habitability and to research the history of water on Mars. The mission was part of the Mars Scout Program; its total cost was $420 million, including the cost of launch.

<span class="mw-page-title-main">Life on Mars</span> Scientific assessments on the microbial habitability of Mars

The possibility of life on Mars is a subject of interest in astrobiology due to the planet's proximity and similarities to Earth. To date, no proof of past or present life has been found on Mars. Cumulative evidence suggests that during the ancient Noachian time period, the surface environment of Mars had liquid water and may have been habitable for microorganisms, but habitable conditions do not necessarily indicate life.

<span class="mw-page-title-main">Viking lander biological experiments</span> Mars life detection experiments

In 1976 two identical Viking program landers each carried four types of biological experiments to the surface of Mars. The first successful Mars landers, Viking 1 and Viking 2, then carried out experiments to look for biosignatures of microbial life on Mars. The landers each used a robotic arm to pick up and place soil samples into sealed test containers on the craft.

<span class="mw-page-title-main">Atmosphere of Mars</span> Layer of gases surrounding the planet Mars

The atmosphere of Mars is the layer of gases surrounding Mars. It is primarily composed of carbon dioxide (95%), molecular nitrogen (2.85%), and argon (2%). It also contains trace levels of water vapor, oxygen, carbon monoxide, hydrogen, and noble gases. The atmosphere of Mars is much thinner and colder than Earth's having a max density 20g/m3 with a temperature generally below zero down to -60 Celsius. The average surface pressure is about 610 pascals (0.088 psi) which is less than 1% of the Earth's value.

<span class="mw-page-title-main">Compact Reconnaissance Imaging Spectrometer for Mars</span> Visible-infrared spectrometer

The Compact Reconnaissance Imaging Spectrometer for Mars (CRISM) was a visible-infrared spectrometer aboard the Mars Reconnaissance Orbiter searching for mineralogic indications of past and present water on Mars. The CRISM instrument team comprised scientists from over ten universities and was led by principal investigator Scott Murchie. CRISM was designed, built, and tested by the Johns Hopkins University Applied Physics Laboratory.

<span class="mw-page-title-main">Carbonates on Mars</span> Overview of the presence of carbonates on Mars

The formation of carbonates on Mars have been suggested based on evidence of the presence of liquid water and atmospheric carbon dioxide in the planet's early stages. Moreover, due to their utility in registering changes in environmental conditions such as pH, temperature, fluid composition, carbonates have been considered as a primary target for planetary scientists' research. However, since their first detection in 2008, the large deposits of carbonates that were one expected on Mars have not been found, leading to multiple potential explanations that can explain why carbonates did not form massively on the planet.

<span class="mw-page-title-main">Martian soil</span> Fine regolith found on the surface of Mars

Martian soil is the fine regolith found on the surface of Mars. Its properties can differ significantly from those of terrestrial soil, including its toxicity due to the presence of perchlorates. The term Martian soil typically refers to the finer fraction of regolith. So far, no samples have been returned to Earth, the goal of a Mars sample-return mission, but the soil has been studied remotely with the use of Mars rovers and Mars orbiters.

<span class="mw-page-title-main">Aeolis quadrangle</span> One of a series of 30 quadrangle maps of Mars

The Aeolis quadrangle is one of a series of 30 quadrangle maps of Mars used by the United States Geological Survey (USGS) Astrogeology Research Program. The Aeolis quadrangle is also referred to as MC-23 . The Aeolis quadrangle covers 180° to 225° W and 0° to 30° south on Mars, and contains parts of the regions Elysium Planitia and Terra Cimmeria. A small part of the Medusae Fossae Formation lies in this quadrangle.

<span class="mw-page-title-main">Water on Mars</span> Study of past and present water on Mars

Almost all water on Mars today exists as ice, though it also exists in small quantities as vapor in the atmosphere. What was thought to be low-volume liquid brines in shallow Martian soil, also called recurrent slope lineae, may be grains of flowing sand and dust slipping downhill to make dark streaks. While most water ice is buried, it is exposed at the surface across several locations on Mars. In the mid-latitudes, it is exposed by impact craters, steep scarps and gullies. Additionally, water ice is also visible at the surface at the north polar ice cap. Abundant water ice is also present beneath the permanent carbon dioxide ice cap at the Martian south pole. More than 5 million km3 of ice have been detected at or near the surface of Mars, enough to cover the whole planet to a depth of 35 meters (115 ft). Even more ice might be locked away in the deep subsurface. Some liquid water may occur transiently on the Martian surface today, but limited to traces of dissolved moisture from the atmosphere and thin films, which are challenging environments for known life. No evidence of present-day liquid water has been discovered on the planet's surface because under typical Martian conditions, warming water ice on the Martian surface would sublime at rates of up to 4 meters per year. Before about 3.8 billion years ago, Mars may have had a denser atmosphere and higher surface temperatures, potentially allowing greater amounts of liquid water on the surface, possibly including a large ocean that may have covered one-third of the planet. Water has also apparently flowed across the surface for short periods at various intervals more recently in Mars' history. Aeolis Palus in Gale Crater, explored by the Curiosity rover, is the geological remains of an ancient freshwater lake that could have been a hospitable environment for microbial life. The present-day inventory of water on Mars can be estimated from spacecraft images, remote sensing techniques, and surface investigations from landers and rovers. Geologic evidence of past water includes enormous outflow channels carved by floods, ancient river valley networks, deltas, and lakebeds; and the detection of rocks and minerals on the surface that could only have formed in liquid water. Numerous geomorphic features suggest the presence of ground ice (permafrost) and the movement of ice in glaciers, both in the recent past and present. Gullies and slope lineae along cliffs and crater walls suggest that flowing water continues to shape the surface of Mars, although to a far lesser degree than in the ancient past.

To date, interplanetary spacecraft have provided abundant evidence of water on Mars, dating back to the Mariner 9 mission, which arrived at Mars in 1971. This article provides a mission by mission breakdown of the discoveries they have made. For a more comprehensive description of evidence for water on Mars today, and the history of water on that planet, see Water on Mars.

<span class="mw-page-title-main">Composition of Mars</span> Branch of the geology of Mars

The composition of Mars covers the branch of the geology of Mars that describes the make-up of the planet Mars.

<span class="mw-page-title-main">Sample Analysis at Mars</span>

Sample Analysis at Mars (SAM) is a suite of instruments on the Mars Science Laboratory Curiosity rover. The SAM instrument suite will analyze organics and gases from both atmospheric and solid samples. It was developed by the NASA Goddard Space Flight Center, the Laboratoire des Atmosphères Milieux Observations Spatiales (LATMOS) associated to the Laboratoire Inter-Universitaire des Systèmes Atmosphériques (LISA), and Honeybee Robotics, along with many additional external partners.

<i>Curiosity</i> (rover) NASA robotic rover exploring Gale crater on Mars

Curiosity is a car-sized Mars rover exploring Gale crater and Mount Sharp on Mars as part of NASA's Mars Science Laboratory (MSL) mission. Curiosity was launched from Cape Canaveral (CCAFS) on November 26, 2011, at 15:02:00 UTC and landed on Aeolis Palus inside Gale crater on Mars on August 6, 2012, 05:17:57 UTC. The Bradbury Landing site was less than 2.4 km (1.5 mi) from the center of the rover's touchdown target after a 560 million km (350 million mi) journey.

<i>Sojourner</i> (rover) First NASA Mars rover on Mars Pathfinder mission

Sojourner is a robotic Mars rover that landed in the Ares Vallis channel in the Chryse Planitia region of the Oxia Palus quadrangle on July 4, 1997. Sojourner was operational on Mars for 92 sols. It was the first wheeled vehicle to rove on a planet other than Earth and formed part of the Mars Pathfinder mission.

<span class="mw-page-title-main">Icebreaker Life</span> Proposed NASA Mars lander

Icebreaker Life is a Mars lander mission concept proposed to NASA's Discovery Program. The mission involves a stationary lander that would be a near copy of the successful 2008 Phoenix and InSight spacecraft, but would carry an astrobiology scientific payload, including a drill to sample ice-cemented ground in the northern plains to conduct a search for biosignatures of current or past life on Mars.

<span class="mw-page-title-main">Chemistry and Camera complex</span> Suite of remote sensing instruments for the Curiosity rover

Chemistry and Camera complex (ChemCam) is a suite of remote sensing instruments on Mars for the Curiosity rover. As the name implies, ChemCam is actually two different instruments combined as one: a laser-induced breakdown spectroscopy (LIBS) and a Remote Micro Imager (RMI) telescope. The purpose of the LIBS instrument is to provide elemental compositions of rock and soil, while the RMI will give ChemCam scientists high-resolution images of the sampling areas of the rocks and soil that LIBS targets. The LIBS instrument can target a rock or soil sample from up to 7 m (23 ft) away, vaporizing a small amount of it with about 30 5-nanosecond pulses from a 1067 nm infrared laser and then observing the spectrum of the light emitted by the vaporized rock.

<span class="mw-page-title-main">Mars Oxygen ISRU Experiment</span> Mars 2020 electrochemical experiment

The Mars Oxygen In-Situ Resource Utilization Experiment (MOXIE) was a technology demonstration on the NASA Mars 2020 rover Perseverance investigating the production of oxygen on Mars. On April 20, 2021, MOXIE produced oxygen from carbon dioxide in the Martian atmosphere by using solid oxide electrolysis. This was the first experimental extraction of a natural resource from another planet for human use. The technology may be scaled up for use in a human mission to the planet to provide breathable oxygen, oxidizer, and propellant; water may also be produced by combining the produced oxygen with hydrogen.

<span class="mw-page-title-main">Samuel Kounaves</span> American researcher, academic and author

Samuel Kounaves is an American scientist, academic and author. He is a Professor of Chemistry at Tufts University, a visiting professor at Imperial College London, and an affiliate scientist at NASA’s Jet Propulsion Laboratory.

<i>Perseverance</i> (rover) NASA Mars rover deployed in 2021

Perseverance, nicknamed Percy, is a car-sized Mars rover designed to explore the Jezero crater on Mars as part of NASA's Mars 2020 mission. It was manufactured by the Jet Propulsion Laboratory and launched on July 30, 2020, at 11:50 UTC. Confirmation that the rover successfully landed on Mars was received on February 18, 2021, at 20:55 UTC. As of 6 May 2024, Perseverance has been active on Mars for 1142 sols since its landing. Following the rover's arrival, NASA named the landing site Octavia E. Butler Landing.

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