Showing posts with label moon mission. Show all posts
Showing posts with label moon mission. Show all posts

Tuesday, 22 October 2019

NASA orbiter finds no trace of Chandrayaan-2 lander ‘Vikram’ on moon

On September 7, Indian Space Research Organisation (ISRO) attempted a soft landing of Vikram on the uncharted lunar south pole, before losing communication with the lander
NASA capture image of Vikram's landing site. Photo: NASA twitter
NASA has found no evidence of Chandrayaan-2’s Vikram lander in the images captured during a latest flyby of its Moon orbiter of the lunar region where India’s ambitious mission attempted a soft landing, the US space agency said. On September 7, Indian Space Research Organisation (ISRO) attempted a soft landing of Vikram on the uncharted lunar south pole, before losing communication with the lander.
“The Lunar Reconnaissance Orbiter imaged the area of the targeted Chandrayaan-2Vikram landing site on October 14 but did not observe any evidence of the lander,” Noah Edward Petro, the Project Scientist for the LRO mission, told PTI in an exclusive email interaction.
Petro said that the camera team carefully examined the images and employed the change detection technique — using a ratio of an image from prior to the landing attempt to the one acquired on October 14. This approach, he said, is used for finding new meteorite impacts on the Moon that also helped locate the recent Beresheet lander.
“It is possible that Vikram is located in a shadow or outside of the search area. Because of the low latitude, approximately 70 degrees south, the area is never completely free of shadows, John Keller, Deputy Project Scientist LRO Mission, told PTI….

Thursday, 5 September 2019

How Chandrayaan-2’s lander Vikram will soft-land on the Moon? Isro explains

Hours after touchdown, rover Pragyaan will roll out from inside the lander to carry out intense probe of the moon soil with its two payloads.
Chandrayaan-2
The crucial landing of ‘Vikram’, Chandrayaan-2’s moon lander, will be carried out by at least eight onboard equipment in a coordinated manner.
‘Vikram’ with rover ‘Pragyaan’ housed inside is scheduled for a powered-descent between 1 am and 2 am on September 7, followed by its touchdown between 1.30 am and 2.30 am. Ahead of the proposed touchdown in the early hours of Saturday, the Isroexplained through a video how it will take place.
The space agency explained that the machine will be fitted with at least three cameras, Lander Position Detection Camera (LPDC), Lander Horizontal Velocity Camera (LHVC) and Lander Hazardous Detection and Avoidance Camera (LHDAC), to ensure its soft landing on the lunar surface. There will be two KA Band Altimeter-1 and KA Band Altimeter-2.
The KA Band stands for Kurtz-above band, which is part of the Kurtz (K) band in the microwave band of the electromagnetic spectrum. There will be a Laser Altimeter (LASA), an instrument that is used to learn about the topography, or the shape of the surface of a planet. It will operate through the orbitor revolving around the moon above the lander….

Monday, 22 July 2019

Apollo 11 made us believe we could do anything, but it could hasten our end

This faith in technology has given us a false sense of security
The Hasselblad Data Camera was fitted with a glass Reseau plate, which created cross marks on the images and made it possible to calibrate distances and heights enabling size-ratio analyses of objects on the moon. Photo: NASA
Current Affairs: The Apollo venture gave us the surprising exhibition of a blue marble ascending over the clean surface of the moon. Obviously, the moon was at that point known to be dreadful. In any case, being demonstrated something in high-goals shading photography establishes a more grounded connection than being told it by the specialists. Our planet showed up in the photographs as a little, powerless article in the midst of surroundings completely unfriendly to life. They appeared, such that no logical report could, the significance of keeping the Earth livable, boosting the ecological development.
However, the moon arrivals influenced numerous individuals in absolutely the contrary way. No other open undertaking has been such a dynamite achievement. The point was so basic and solid that everybody could quickly get a handle on it. Kennedy’s duty to “getting a man on the moon and returning him securely to the Earth” was made before the US had even put a man into space. However it was accomplished only eight years after the fact – scarcely a fraction of the time it takes these days to manufacture another railroad crosswise over London. “Top that,” the Americans can undoubtedly say. Fifty years on, nobody has.
The issue with tremendous victories is that they breed carelessness. The moon arrivals fortified the conviction that innovation will consistently have the option to tackle our issues. Everybody knows the maxim, “On the off chance that we can put a man on the moon, definitely we can… ” All we need is the will to do it. Also, a great deal of cash, obviously. In any case, not as much as you may might suspect: the whole Apollo program, more than 12 years, cost about £120 billion in the present cash. That is how much the US spends on its military in 11 weeks (and Britain in three years). On the off chance that innovation can do that, what can it not…
Read More :NASA Moon Mission

Sunday, 21 July 2019

50 yrs of Apollo 11: How geological maps made the moon landings worthwhile

Geological mapping continues today, even on bodies where there is no prospect of human visitors in the forseeable future
moon
Current Affairs: Regardless I recall an animation in a paper in July 1969, just before the main Apollo moon landing. It demonstrated the ground group reminding the space explorers as they boarded their rocket, “Remember to bring back some stone!” This was a gesture to an old occasion antique – individuals who went to the coastline were frequently approached to bring back some “stone”, alluding to shake sweets. It wasn’t amusing, however it demonstrates that, when the race against the Soviets was won, the purpose, all things considered, was to get some answers concerning the moon’s topography.
The logical benefit of arriving on the moon would have been reduced without concentrates to build up the setting of the arrival destinations. The essential thought was to contact down some place safe, however shakes gathered from these spots would have passed on substantially less data had exertion not gone into working out the idea of, and all the more significantly the connections between, the stone units from which the examples were gathered.
This was finished by making point by point land maps, utilizing similar rules that geologists use on Earth.
Cartography versus geographical mapping
Adjustable spectators had just started to draw general maps of the moon’s close side (which is everything that could possibly be seen from Earth) during the 1600s. These were basically practices in cartography, recording what the moon resembles. Before long names were being set apart to mark individual highlights, yet this was only an advantageous method to recognize them. It did not depend on any genuine comprehension.
On the other hand, geologists make maps to pick up knowledge into the historical backdrop of an area. They recognize tracts of territory of which the ages – and thusly perhaps inception and piece – can be found to appear as something else. This is normally accomplished by working out what is over what (more youthful layers will for the most part be over more seasoned layers) and cross-cutting connections (more youthful highlights can cut crosswise over more established ones, however not the other way around)…
Read Full Story: 50 Years of Apollo 11

14th BRICS summit to review current global issues, reach key agreements

  At the   14th BRICS summit   which is to be hosted by China in a virtual mode on 23-24 June, the member nations will review the current gl...