India's Rover Rolls Out Onto the Lunar Surface

The Indian Space Research Organisation (ISRO) successfully landed its Chandrayaan-3 Lander Module on the surface of the Moon on August 23, 2023. Credit: ISRO

On July 14th, 2023, the Indian Space Research Organization (ISRO) launched the third mission in its Chandrayaan (“Moon vehicle” in Hindi) lunar exploration program. Earlier this week (Wednesday, August 23rd), the Chandrayaan-3 mission’s Vikram lander touched down on the far side of the Moon, making India the fourth nation in the world to send missions to the lunar surface and the first to land one near the Moon’s south pole region. Shortly after that, the ISRO announced that they had deployed Pragyan, the rover element of the mission, to the surface.

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India Launches Chandrayaan-3 to the Moon, Hoping for a Successful Landing

The Chandrayaan-3 spacecraft lifting off for the Moon from the Satish Dhawan Space Center on July 14, 2023. (Credit: Indian Space Resource Organisation (ISRO))

On July 14, 2023, at 2:35 pm Indian Standard Time (5:05 am EST), the Indian Space Resource Organisation (ISRO) successfully launched their Chandrayaan-3 spacecraft from the Satish Dhawan Space Center, which is the primary spaceport of the ISRO. The goal of the mission is to put India’s first lander (Vikram) and rover (Pragyan) on the lunar surface and is scheduled to touch down on the Moon on August 23, 2023. This mission comes after the ISRO’s Chandrayaan-2 Vikram lander crashed on the Moon on September 6, 2019, due to a last-minute guidance software glitch. While the ISRO indicated everything was going according to plan, they unexpectedly lost contact with the Vikram lander approximately 2.1 kilometers (1.3 miles) above the lunar surface.

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India’s Chandrayaan 2 is Creating the Highest Resolution Map We Have of the Moon

The Chandrayaan-2 lander, Vikram, attempted a landing September 7th (Friday the 6th in the United States), on a small patch of lunar highland smooth plains between Simpelius N and Manzinus C craters. Unfortunately the landing was not successful and location of the spacecraft has not been announced. The scene above was captured from an LROC Quickmap fly-around of the site, image width is about 150 kilometers across the center [NASA/GSFC/Arizona State University].

India’s space organization, ISRO, launched Chandrayaan 2 to the Moon last year in July. While its lander Vikram crashed on the lunar surface on September 7, the Chandrayaan 2 orbiter continues to orbit the Moon.

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India’s Crashed Lander is In This Picture, Somewhere

The Chandrayaan-2 lander, Vikram, attempted a landing September 7th (Friday the 6th in the United States), on a small patch of lunar highland smooth plains between Simpelius N and Manzinus C craters. Unfortunately the landing was not successful and location of the spacecraft has not been announced. The scene above was captured from an LROC Quickmap fly-around of the site, image width is about 150 kilometers across the center [NASA/GSFC/Arizona State University].

This image of the lunar highlands is from NASA’s Lunar Reconnaissance Orbiter. You’d need superhuman eyesight to spot it, but India’s crashed Vikram lander is in there somewhere. The lander attempted to land on the Moon on September 6th, but when it was only 2.1 km above the surface, within reach of its objective, ISRO (Indian Space Research Organization) lost contact with the spacecraft.

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India has Located the Vikram Lander, But it’s Still not Communicating With Home

Credit: ISRO

On Sunday (Sept. 8th), the Indian Space Research Organization (ISRO) announced that they had located Vikram, the lander element of their Chandrayaan-2 mission. The search began almost immediately after the space agency lost contact with the robotic spacecraft, which occurred moments before it set down on the lunar surface (on Friday, Sept. 6th).

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Chandrayaan 2 Mission Loses Contact With Vikram Lander During Descent

Credit: ISRO

Reflecting its growth as a global power, India has achieved some impressive progress in space lately. In the past decade, the Indian Space Research Organization (ISRO) has sent robotic spacecraft into orbit, to the Moon, and also to Mars. And today, they made their first attempt at a soft lunar landing by sending the Vikram lander towards the surface of the Moon.

This move would have made India the fourth nation in the world to land a spacecraft on the lunar surface. The landing sequence went as planned until the lander reached an altitude of 2.1 km (1.3 mi) above the surface. Unfortunately, communications with the lander was lost at that point and it is unclear whether the lander crashed. At the moment, the ISRO is analyzing data collected by the orbiter to determine what happened.

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India’s Chandrayaan-2 is Heading to the Moon

India's Chandrayaan-2 launching to the Moon on July 22nd. Image Credit: ISRO

ISRO (Indian Space Research Organization) has successfully launched their Chandrayaan-2 mission to the Moon. The mission, which includes an orbiter, a lander, and a rover, was launched into space on a GSLV Mk III rocket on July 22nd, after a week-long delay. On September 7th it will perform a soft-landing on the Moon.

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New Moon Mission: Chandrayaan-2 Payloads Selected

Proposed flight plan for the Chandrayaan-2 mission. Credit: ISRO

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Seven instruments will be aboard India’s second unmanned mission to the Moon, Chandrayaan-2, the Indian Space Research Organization (ISRO) announced today. The mission, which is a cooperative effort between ISRO and the Russian Federal Space Agency, will include an orbiter, a lander and a rover, which officials hope will launch in 2013. The instruments will study the Moon in a variety of wavelengths, and there will be five instruments on the orbiter and two on the rover. They include:

For the orbiter:

1. Large Area Soft X-ray Spectrometer (CLASS) and Solar X-ray monitor (XSM) for mapping major elements present on the lunar surface.

2. L and S band Synthetic Aperture Radar (SAR), which will probe the first few tens of meters of the lunar surface for the presence of different constituents, including water ice. SAR is expected to provide further evidence confirming the presence of water ice below the permanently shadowed regions of the Moon.

3. Imaging IR Spectrometer (IIRS) will map the lunar surface over a wide wavelength range for the study of minerals, water molecules and hydroxyl present.

4. Neutral Mass Spectrometer (ChACE-2) to carry out a detailed study of the lunar exosphere.

5. Terrain Mapping Camera-2 (TMC-2)to create a three-dimensional map essential for studying the lunar mineralogy and geology.

For the rover:

1. Laser induced Breakdown Spectroscope (LIBS).

2. Alpha Particle Induced X-ray Spectroscope (APIXS).

Both those instruments are expected to carry out elemental analysis of the lunar surface near the landing site.

ISRO didn’t rule out adding addition payloads later “if possible within the mission constraints,” they said in a statement.

The lander is being built by Russia, while the orbiter and rover are being built by ISRO.

Chandrayaan-2 spacecraft weighs about 2,650 kg at lift-off of which the orbiter’s weight is about 1,400 kg and lander about 1,250 kg. It will be launched onboard a Geosynchronous Satellite Launch Vehicle (GSLV) from the Satish Dhawan Space Centre, in India.

Chandrayaan-1 was an extremely successful mission that lasted 10 –months until the orbiter experienced communications and navigation problems in August 2009, abruptly ending the mission. Data from the 11 instruments on Chandrayaan-1 are still being analyzed, but have already contributed to finding water and hydroxyl across the Moon’s surface and water ice in craters on the lunar poles.

Source: The Times of India