IAS Gyan

Daily News Analysis

CHAPEA PROJECT

13th July, 2024 Science and Technology

CHAPEA PROJECT

Source: IndianExpress

Disclaimer: Copyright infringement not intended.

Context

  • NASA’s simulation mission saw four volunteers live in a habitat built to replicate conditions on Mars, seen as the most hospitable planet to support life after Earth. 
  • A part of NASA’s Crew Health and Performance Exploration Analog (CHAPEA) project, it was the first of three planned simulations to understand the challenges Mars poses for space explorers.

Details

Aspect

Details

Project Name

CHAPEA (Crew Health and Performance Exploration Analog)

Objective

To simulate living conditions on Mars and study the effects of long-duration missions on crew health and performance.

Location

Johnson Space Center, Houston, Texas

Habitat

Mars Dune Alpha - a 3D printed airlocked habitat with 1,700 sq ft living space, including bedrooms, bathrooms, a work area, a robot station, a gym, and a vertical farm. An additional 1,200 sq ft space for extravehicular activities.

Duration

378 days (June 25, 2023 - July 6, 2024)

Scenarios

Spacewalks in suits, growing vegetables, facing communication delays, limited resources, and prolonged isolation.

Aims

To collect data on the potential impacts of long-duration missions on Mars, including physical and mental challenges faced by astronauts.

Future Plans

Two more missions planned for 2025 and 2026. NASA aims to send astronauts to Mars by the 2030s.

Mars Habitat

Feature

Details

Temperature

Ranges from 20°C to -153°C

Surface

Rocky with canyons, volcanoes, dry lake beds, and craters, all covered in red dust

Atmosphere

Thin, containing over 95% carbon dioxide and less than 1% oxygen

Gravity

About one-third of Earth’s gravity

Day Length

24.6 hours

Year Length

687 Earth days

Weather

Dust storms, visible from Earth, with tiny tornado-like structures and large storms enveloping the planet

Significance

  • NASA's CHAPEA project is a crucial step in preparing for human exploration of Mars.
  • The data collected will help understand the physical and mental challenges faced by astronauts during long-duration missions, which is essential for the success of future Mars expeditions.
  • The project also supports NASA's broader goals, including the Artemis program, aimed at establishing a long-term presence on the Moon as a stepping stone to Mars.
  • By simulating Martian conditions, CHAPEA helps researchers develop strategies to maintain crew health, ensure resource sustainability, and manage isolation and communication delays, all of which are critical for the success of manned missions to Mars.

Important Mars missions to date

Mission Name

Country/Agency

Launch Date

Type

Outcome

Key Achievements

Mariner 4

USA/NASA

November 28, 1964

Flyby

Success

First close-up images of Mars

Mariner 6

USA/NASA

February 24, 1969

Flyby

Success

Close-up images and atmospheric data

Mariner 7

USA/NASA

March 27, 1969

Flyby

Success

Close-up images and atmospheric data

Mariner 9

USA/NASA

May 30, 1971

Orbiter

Success

First spacecraft to orbit another planet

Mars 2

USSR

May 19, 1971

Orbiter/Lander

Partial success (orbiter succeeded, lander failed)

Orbital images and surface data

Mars 3

USSR

May 28, 1971

Orbiter/Lander

Partial success (orbiter succeeded, lander contact lost)

First soft landing on Mars (contact lost after 20 seconds)

Viking 1

USA/NASA

August 20, 1975

Orbiter/Lander

Success

First successful landing, extensive surface and atmospheric data

Viking 2

USA/NASA

September 9, 1975

Orbiter/Lander

Success

Surface and atmospheric data, search for life

Phobos 1

USSR

July 7, 1988

Orbiter

Failure (lost contact)

No data returned

Phobos 2

USSR

July 12, 1988

Orbiter/Lander

Partial success (orbiter succeeded, lander failed)

Data on Phobos and Martian atmosphere

Mars Observer

USA/NASA

September 25, 1992

Orbiter

Failure (lost contact)

No data returned

Mars Global Surveyor

USA/NASA

November 7, 1996

Orbiter

Success

Detailed mapping of Martian surface

Mars Pathfinder

USA/NASA

December 4, 1996

Lander/Rover

Success

Sojourner rover data, surface exploration

Nozomi

Japan/JAXA

July 4, 1998

Orbiter

Failure (unable to achieve orbit)

No data returned

Mars Climate Orbiter

USA/NASA

December 11, 1998

Orbiter

Failure (lost contact)

No data returned

Mars Polar Lander

USA/NASA

January 3, 1999

Lander

Failure (lost contact)

No data returned

2001 Mars Odyssey

USA/NASA

April 7, 2001

Orbiter

Success

Gamma Ray Spectrometer data, surface composition mapping

Mars Express

European Space Agency (ESA)

June 2, 2003

Orbiter

Success

High-resolution imaging, detection of water ice

Spirit (MER-A)

USA/NASA

June 10, 2003

Rover

Success (last contact in 2010)

Surface exploration, discovery of past water activity

Opportunity (MER-B)

USA/NASA

July 7, 2003

Rover

Success (last contact in 2018)

Surface exploration, discovery of past water activity

Rosetta

European Space Agency (ESA)

March 2, 2004

Flyby (en route to comet)

Success (flyby)

Mars flyby for gravitational assist

Phoenix

USA/NASA

August 4, 2007

Lander

Success

Confirmed presence of water ice

Mars Science Laboratory (Curiosity)

USA/NASA

November 26, 2011

Rover

Success

Extensive geological and environmental analysis

MAVEN

USA/NASA

November 18, 2013

Orbiter

Success

Studied upper atmosphere and ionosphere

Mars Orbiter Mission (Mangalyaan)

India/ISRO

November 5, 2013

Orbiter

Success

Mars atmosphere and surface imaging

ExoMars Trace Gas Orbiter

ESA/Roscosmos

March 14, 2016

Orbiter

Success

Trace gas analysis in the Martian atmosphere

Schiaparelli (ExoMars)

ESA/Roscosmos

March 14, 2016

Lander

Failure (crash landed)

Attempted landing on Mars

InSight

USA/NASA

May 5, 2018

Lander

Success

Seismic activity and internal structure analysis

Hope Mars Mission

UAE

July 19, 2020

Orbiter

Success

Martian atmosphere and climate studies

Tianwen-1

China/CNSA

July 23, 2020

Orbiter/Rover

Success

Orbiter and Zhurong rover exploration, surface analysis

Perseverance

USA/NASA

July 30, 2020

Rover

Success

Astrobiology, sample collection for return mission

Zhurong Rover (part of Tianwen-1)

China/CNSA

May 14, 2021

Rover

Success

Surface exploration and environmental analysis

Sources:

IndianExpress

PRACTICE QUESTION

Q: Consider the following statements regarding Mars habitats:

  1. The Mars Habitat is designed to provide a self-sustaining environment for human habitation on Mars.
  2. The Mars Society's Mars Desert Research Station (MDRS) in Utah, USA, is an example of an analog habitat simulating conditions on Mars.
  3. NASA's InSight mission is primarily focused on developing habitats for future human missions to Mars.

Which of the statements given above is/are correct?

a) 1 and 2 only
b) 1 and 3 only
c) 2 and 3 only
d) 1, 2, and 3

Answer: b)