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Chandrayaan-2 orbiter detects high density plasma in the Lunar wake region.

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 DFRS payload onboard Chandrayaan-2 orbiter detects high density plasma in the Lunar wake region. Chandrayaan 2 orbital  The Moon is believed to have a very tenuous atmosphere. Since the ionosphere derives its origin from the atmosphere the plasma density at the Moon is considered to be only a few hundred ions per cubic centimeter. Measurements made using the Dual Frequency Radio Science (DFRS) experiment onboard Chandrayaan-2 orbiter, however, have shown that Moon’s ionosphere has a plasma density of the order of 104 cm-3, in the wake region which is at least one order of magnitude more than that is present in the day side. Chandrayaan-2, the second Indian Lunar exploration mission launched by the Indian Space Research Organization (ISRO) on 22 July 2019, carried several payloads, among which the DFRS was designed to study the lunar ionosphere. It uses two coherent signals at the S-band (2240 MHz) and X-band (8496 MHz) of radio frequencies, transmitted from the Chandraya...

Chandrayaan-2 observed Argon-40 in the outer atmosphere of the Moon

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Chandrayaan 2 makes exciting new discovery below moon surface. CHACE-2 Onboard Chandrayaan-2 Orbiter makes the First Observations of the Global Distribution of Argon-40 in the Exosphere of Moon Chandrayaan-2 observed Argon-40 in the outer atmosphere of the Moon The Chandra’s Atmospheric Composition Explorer-2 (CHACE-2), a quadrupole mass spectrometer onboard Chandrayaan-2 mission has made the first-of-its-kind observations of the global distribution of Argon-40 in the tenuous lunar exosphere.  These observations provide insight on the dynamics of the lunar exospheric species, as well as on the radiogenic activities in the first few tens of meters below the lunar surface. ‘Exosphere’ is the outermost region of the upper atmosphere of a celestial body where the constituent atoms and molecules rarely collide with each other and can escape into space. Earth’s Moon features a surface-boundary-exosphere. For Moon, different constituents in the exosphere are fed from the surface by a v...

Chandrayaan-2 Completed 9000 rounds the Moon

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 Chandrayaan-2: Completed 9000 rounds of Moon, after two years, ISRO said that the orbiter is working well ISRO chief K.Sivan On the completion of two years of Chandrayaan-2, ISRO organized a science workshop on Monday. It was broadcast live on ISRO's website and Facebook page. On the occasion of the completion of two years of Chandrayaan-2, ISRO organized a lunar science workshop on Monday. It was inaugurated by ISRO chief K. Sivan, did it? He told that Chandrayaan-2 has completed more than 9000 revolutions around the Moon. It is providing excellent data to ISRO through the imaging and scientific equipment installed in it. The eight payloads of Chandrayaan-2 are ISRO chief Sivan said that scientific data is being made available for analysis by academia and institutions so that more scientific partnerships can be done in the Chandrayaan-2 mission. The two-day workshop of the Indian Council of Space Research (ISRO) began on Monday. It has been organized on the occasion of completing...

Unraveling the mysteries of the Solar Corona: New results from Chandrayaan-2 Solar X-ray Monitor

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Unraveling the mysteries of the Solar Corona chandrayaan 2 Our Sun, being the primary source of energy for our solar system has a significant influence on our lives, and has always instilled a curiosity in humankind.. Though we have a fairly good understanding of the origin of energy and other various aspects of the Sun, several potentially life-changing phenomena still remain a mystery.   Being the nearest star, understanding the Sun also allows us to learn about other distant stars better Some of these mysteries are related to the hot outer atmosphere of the Sun, known as ‘corona’, which emits profusely in ultra-violet and X-ray wavelengths of the electromagnetic spectrum. We know that the corona consists of ionized gas at temperatures exceeding one million Kelvin, which is much higher than photospheric temperature of 6000 K, the visible surface temperature of the Sun. However, this observation is against the natural expectation that the temperatures should reduce as we go a...