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A joint study by IIT-Roorkee and Physical Research Laboratory (PRL) has decoded the composition of titanium-rich rocks on the Moon.
These findings are crucial for selecting the optimal landing site for ISRO's upcoming Chandrayaan-4 mission.
Chandrayaan-4, planned for 2028, aims to collect lunar rock samples and return them to Earth.
The study utilized remote sensing data from Chandrayaan-1's Moon Mineralogy Mapper (M3) and NASA's Lunar Reconnaissance Orbiter (LRO).
The Moon's surface features vast, dark plains known as 'maria' (singular 'mare'), which are formed from ancient volcanic eruptions. These mare basalts are typically rich in iron and titanium. A high concentration of titanium (over 6% TiO2) in these rocks indicates specific magmatic processes during the Moon's formation and evolution. Understanding the distribution and composition of these titanium-rich basalts is vital for lunar geological studies, resource mapping, and selecting scientifically significant sites for sample collection. Titanium is also a valuable resource with potential for future lunar industrial applications.
Simple Analogy: Imagine different types of volcanic rocks on Earth, each telling a story about the Earth's interior. Similarly, titanium-rich rocks on the Moon are like specific 'storytellers' about the Moon's ancient volcanic past and its internal composition.
India's national space agency, responsible for space exploration, satellite technology, and planning lunar missions like Chandrayaan-4.
A premier engineering and technology institute, involved in the scientific study of lunar geology.
A national research institute for space and allied sciences, under the Department of Space, Government of India, collaborating on lunar studies.
This study directly supports the Chandrayaan-4 mission, which is part of India's broader lunar exploration program. Previous missions include Chandrayaan-1 (first lunar orbiter, discovered water molecules), Chandrayaan-2 (orbiter, lander, rover), and Chandrayaan-3 (successful soft landing and rover deployment). Chandrayaan-4's sample return objective marks a significant advancement in India's space capabilities.
The study's reliance on data from Chandrayaan-1's M3 and NASA's LRO highlights the critical role of remote sensing technologies in understanding extraterrestrial bodies without physical contact. This aligns with the UPSC Prelims 2019 question on the applications of satellite images/remote sensing data.
GS Paper III - Science & Technology (Space Technology, Indian Space Missions, Remote Sensing, Lunar Geology)
General Awareness - Science & Technology (Space Missions, Indian Institutions)
General Knowledge - Science & Technology (Space Exploration, ISRO Missions)
General Awareness - Science & Technology (Current Affairs related to Space)
General Science - Space Technology
'Aerial metagenomics' best refers to which one of the following situations?
Answer: Collecting DNA samples from air in a habitat at one go
Atal Innovation Mission is set up under the
Answer: NITI Aayog
For the measurement/estimation of which of the following are satellite images/remote sensing data used? 1. Chlorophyll content in the vegetation of a specific location 2. Greenhouse gas emissions from rice paddies of a specific location 3. Land surface temperatures of a specific location Select the correct answer using the code given below.
Answer: 1, 2 and 3
High for UPSC (Space Technology is a recurring theme); Medium for SSC/Defence (factual questions on missions and institutions).
Dark, flat plains on the Moon formed by ancient volcanic eruptions, often rich in iron and titanium.
The acquisition of information about an object or phenomenon without making physical contact, typically using satellites or aircraft.
A space mission designed to collect physical samples from an extraterrestrial body and return them to Earth for detailed scientific analysis.