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Reader response draft 3.0

  The article “NOMAD, an Integrated Suite of Three Spectrometers for the ExoMars Trace Gas Mission: Technical Description, Science Objectives and Expected Performance”, discusses a spectrometer suite incorporated into the ExoMars Trace Gas Orbiter, NOMAD (“Nadir and Occultation for Martian Discovery”). NOMAD comprises of three spectrometers: Solar Occultation (SO), Limb and Nadir Occultation (LNO) and Ultraviolet/Visible Spectrometer (UVIS). The SO spectrometer only performs solar occultation and works in the infrared range(2.3-4.3um). The LNO spectrometer is capable of performing solar and nadir occultation and limb observations and also operates in the infrared range(2.3-3.8um. The UVIS spectrometer operates in the ultraviolet and visible light range(200-650nm) and can be used to detect carbon dioxide ice grains at high altitudes. These spectrometers work with each other to collect data which allows us to understand Mars’ “atmospheric composition and the related physical and chem...

Reader Response Draft 2.0

The article “NOMAD, an Integrated Suite of Three Spectrometers for the ExoMars Trace Gas Mission: Technical Description, Science Objectives and Expected Performance”, discusses a spectrometer suite incorporated into the ExoMars Trace Gas Orbiter, NOMAD (“Nadir and Occultation for Martian Discovery”). NOMAD comprises of three spectrometers: Solar Occultation (SO), Limb and Nadir Occultation (LNO) and Ultraviolet/Visible Spectrometer (UVIS). The SO spectrometer only performs solar occultation and works in the infrared range(2.3-4.3um). The LNO spectrometer is capable of performing solar and nadir occultation and limb observations and also operates in the infrared range(2.3-3.8um. The UVIS spectrometer operates in the ultraviolet and visible light range(200-650nm) and can be used to detect carbon dioxide ice grains at high altitudes. These spectrometers work with each other to collect data which allows us to understand Mars’ “atmospheric composition and the related physical and chemical p...

Reader Response Draft 1.0

The article “NOMAD, an Integrated Suite of Three Spectrometers for the ExoMars Trace Gas Mission: Technical Description, Science Objectives and Expected Performance”, discusses a spectrometer suite incorporated into the ExoMars Trace Gas Orbiter, NOMAD (“Nadir and Occultation for Martian Discovery”). The article mentions that the purpose of NOMAD is to study the trace gases, clouds and dust present within Mars’ atmosphere. The main purpose of the Trace Gas Orbiter (TGO) is to detect and quantify trace gases on Mars, a process that is only possible with NOMAD since it was specifically designed to detect and quantify these gases. The NOMAD satellite is equipped with three spectrometers which allows it to measure the spectral emissions from the atmosphere, spanning ultraviolet, visible light, and infrared wavelengths. According to the article “NOMAD, an Integrated Suite of Three Spectrometers for the ExoMars Trace Gas Mission: Technical Description, Science Objectives and Expected Perform...

Summary 3.0 Draft of NOMAD

The article “NOMAD, an Integrated Suite of Three Spectrometers for the ExoMars Trace Gas Mission: Technical Description, Science Objectives and Expected Performance”, discusses a spectrometer suite incorporated into the ExoMars Trace Gas Orbiter, NOMAD (“Nadir and Occultation for Martian Discovery”). The article mentions that the purpose of NOMAD is to study the trace gases, clouds and dust present within Mars’ atmosphere. NOMAD comprises of three spectrometers: Solar Occultation (SO), Limb and Nadir Occultation (LNO) and Ultraviolet/Visible Spectrometer (UVIS). The SO spectrometer only performs solar occultation and works in the infrared range. The LNO spectrometer is capable of performing solar and nadir occultation and limb observations. The UVIS spectrometer can be used to detect carbon dioxide ice grains at high altitudes. These spectrometers work with each other to collect data which allows us to understand Mars’ “atmospheric composition and the related physical and chemical proc...

Summary Draft 2.0 of NOMAD

The article “NOMAD, an Integrated Suite of Three Spectrometers for the ExoMars Trace Gas Mission: Technical Description, Science Objectives and Expected Performance”, talks about a spectrometer suite incorporated into the ExoMars Trace Gas Orbiter, NOMAD (“Nadir and Occultation for Martian Discovery”). The article mentions that the purpose of NOMAD is to study the trace gases, clouds and dust present within Mars’ atmosphere. NOMAD comprises of three spectrometers: Solar Occultation (SO), Limb and Nadir Occultation (LNO) and Ultraviolet/Visible Spectrometer (UVIS). The SO spectrometer only performs solar occultation and works in the infrared range. The LNO spectrometer is capable of performing solar and nadir occultation and limb observations. The UVIS spectrometer can be used to detect carbon dioxide ice grains at high altitudes. These spectrometers work with each other to collect data which allows us to understand Mars’ “atmospheric composition and the related physical and chemical pr...

Summary Draft 1 of Exomas Trace Gas Orbiter

Exomas Trace Gas Orbiter (TGO) search for traces of atmospheric gases on Mars that could be evidence of ongoing biological and geological processes. Biomarkers reveal the possibility of life on Mars. The TGO comprises of 4 scientific instruments to help achieve its goal - Atmospheric Chemistry Suite, Colour and Stereo Surface Imaging System, Fine Resolution Epithermal Neutron Detector and Nadir and Occultation for Mars Discovery (NOMAD).  NOMAD uses solar occultation and reflected light nadir observations to identify methane and other atmospheric constituents. It has three spectrometers, two infrared and one ultraviolet. An instrument with three spectrometers is used: one for solar occultation measurements alone, one for both limb and occultation measurements simultaneously, and one for ultraviolet and visible measurements as well. It will detect isotopologues of many key Martian atmospheric species. NOMAD will provide global 4D views of the atmosphere of Mars by combining 2-D-vert...

Self-introductory letter

 Dear Professor Blackstone, I am writing this letter to you to introduce myself formally. I am Meenatchi Selvaraj but you may call me, Meena. I graduated from DPS International School and I am a year one student studying in the Robotic Systems Engineering programme in Singapore Institute of Technology. I was interested in robotics from a very young age as I used to play with Lego blocks to build a multitude of things such as cars, buildings, etc. As I started to grow older my interest in robotics only flourished more and I soon started to look for various avenues through which I could develop and gain more knowledge about this field. I joined the robotics club in my school and they educated us on the various parts of the electrical components which make up a robotic system. My school teachers continuously encouraged me to pursue this as a career and guided me to apply to SIT’s robotics programme. Thus, I applied to this course to fulfil my dream of becoming a robotic engineer....