Dubai, November 27, 2016: US space agency NASA will work with the United Arab Emirates (UAE) Space Agency to put communications capability on the UAE’s Mars spacecraft Hope that will reach the Red Planet in 2021, an official said on Sunday.
Dr Gale Allen, NASA’s Deputy Chief Scientist, in an interview to Gulf News said that the development is part of an “umbrella agreement” for collaboration between the two agencies.
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“We want to work very closely with the UAE on any other missions going forward,” Allen, who was in the UAE for the UN-UAE High Level Forum on “Space as a Driver for Socio-Economic Sustainable Development”, was quoted as saying.
“For the Mars probe, one of things that is very interesting to us is an opportunity to put communications capability on the probe. The importance for us is that we really want to send humans to Mars in the 2030s,” she said.
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“We are looking at, possibly at some point, putting better communications up there. If we could partner and leverage the UAE Mars probe, it is certainly going to be beneficial for us,” she noted.
On the agreement, she pointed out that it was an “umbrella agreement”, which meant that NASA wanted to collaborate in future space exploration missions.
“The Mars probe is the first step in…collaborations, but we certainly look at this as a long-term partnership,” she noted.
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The Hope spacecraft will travel more than 60 million km in its nine-month journey, coinciding with the UAE’s 50th anniversary in 2021.
The mission will be supervised by the UAE Space Agency and developed by Mohammad Bin Rashid Space Centre (MBRSC), with support from international partners. (IANS)
Washington, October 8, 2017 : After orbiting the Red Planet for 16 years, NASA’s Mars Odyssey spacecraft has captured its first images of the Martian moon Phobos.
The Thermal Emission Imaging System (THEMIS) camera on Mars Odyssey orbiter, launched in 2001, observed Phobos on September 29.
Phobos has an oblong shape with an average diameter of about 22 kilometres.
Cameras on other Mars orbiters have previously taken higher-resolution images of Phobos, but none with the infrared information available from THEMIS.
Observations in multiple bands of thermal-infrared wavelengths can yield information about the mineral composition of the surface, as well as the surface texture, NASA said in a statement this week.
“Although THEMIS has been at Mars for 16 years, this was the first time we have been able to turn the spacecraft around to look at Phobos,” said THEMIS Mission Planner Jonathon Hill of Arizona State University.
The researchers combined visible-wavelength and infrared data to produce an image color-coded for surface temperatures of this moon, which has been considered for a potential future human-mission outpost, NASA said.
“This half-moon view of Phobos was chosen because it allowed us to observe a wide range of temperatures on the surface,” Hill added.
One major question about Phobos and Mars’ even smaller moon, Deimos, is whether they are captured asteroids or bits of Mars knocked into the sky by impact.
The researchers believe that compositional information from THEMIS might help pin down their origin.
Since Odyssey began orbiting the Red Planet in 2001, THEMIS has provided compositional and thermal properties information from all over Mars, but never before imaged either Martian moon.
The September 29 observation was completed to validate that the spacecraft could safely do so, as the start of a possible series of observations of Phobos and Deimos in coming months.
“There is heightened interest in Phobos because of the possibility that future astronauts could perhaps use it as an outpost,” said Odyssey Project Scientist Jeffrey Plaut of NASA’s Jet Propulsion Laboratory in Pasadena, California. (IANS)
Washington, Septemeber 15, 2017 : Mars’s crust is not as dense as previously thought and a lower density likely means that at least part of the Red Planet’s crust is relatively porous, says a new NASA study.
The findings, published in the journal Geophysical Research Letters, provide researchers clue that could help them better understand the interior structure and evolution of Mars.
“The crust is the end-result of everything that happened during a planet’s history, so a lower density could have important implications about Mars’s formation and evolution,” said study lead author Sander Goossens of NASA’s Goddard Space Flight Center in Greenbelt, Maryland.
Stunning new ‘gravity map’ of Mars suggests the red planet’s crust is far more porous than previously thought https://t.co/N9M8BktUmb
“As this story comes together, we’re coming to the conclusion that it’s not enough just to know the composition of the rocks,” study co-author Greg Neumann, a planetary geologist at Goddard, said.
“We also need to know how the rocks have been reworked over time,” Neumann said.
Goossens and colleagues started with the same data used for an existing gravity model but put a new twist on it by coming up with a different constraint and applying it to obtain the new solution.
A constraint compensates for the fact that even the best data sets can’t capture every last detail.
Instead of taking the standard approach, known to those in the field as the Kaula constraint, the team created a constraint that considers the accurate measurements of Mars’s elevation changes, or topography.
“With this approach, we were able to squeeze out more information about the gravity field from the existing data sets,” said Goddard geophysicist Terence Sabaka. (IANS)
Depending on the location, the proliferation of IS has drawn varied resistance from the Afghan military, U.S. air support and ground troops, local militias, Taliban forces and other militant groups
Afghan army planes on Wednesday night accidentally air dropped vital supplies of food and water to IS militants in the Darzab district of northern Jouzjan province instead of to their own besieged troops
In the Tora Bora area, where IS has made a strong stand in recent days, local villagers and militias joined with Taliban to rout IS
June 25, 2017: The Islamic State group is rapidly expanding in parts of Afghanistan, advancing militarily into areas where it once had a weak presence and strengthening its forces in core regions, according to Afghan and U.S. officials.
Depending on the location, the proliferation of IS has drawn varied resistance from the Afghan military, U.S. air support and ground troops, local militias, Taliban forces and other militant groups.
Attacking IS has become such a priority in the country, that disparate forces sometimes join together in the ad-hoc fight, with Afghan and U.S. forces finding themselves inadvertently supporting the enemy Taliban in battling IS.
Confusion leads to mistakes
All too often, officials say, mistakes are made due to confusion on the ground.
Afghan army planes on Wednesday night accidentally air dropped vital supplies of food and water to IS militants in the Darzab district of northern Jouzjan province instead of to their own besieged troops, provincial police chief, Rahmatullah Turkistani told VOA. The supplies were meant to help Afghan forces that are countering twin attacks by IS and Taliban militants but were used instead by IS.
“It’s not getting better in Afghanistan in terms of IS,” U.S. Chief Pentagon Spokeswoman Dana White told VOA this week. “We have a problem, and we have to defeat them and we have to be focused on that problem.”
Reinforcements for the IS cause reportedly are streaming into isolated areas of the country from far and wide. There are reports of fighters from varied nationalities joining the ranks, including militants from Pakistan, India, Iran, Iraq, Syria, Russia and Central Asian neighbors.
Still, the Islamic State-Khorasan (ISK) as IS is known in Afghanistan remains a fragmented group composed of differing regional forces with different agendas in different parts of the country.
“IS-K is still conducting low-level recruiting and distribution of propaganda in various provinces across Afghanistan, but it does not have the ability or authority to conduct multiple operations across the country,” a recent Pentagon report said. But where it operates, IS is inflicting chaos and casualties and causing confusing scenarios for disparate opponents.
In the Tora Bora area, where IS has made a strong stand in recent days, local villagers and militias joined with Taliban to rout IS. IS regained ground after a few days, leading to U.S. military air attacks on IS positions in conjunction with Afghan intelligence instructions and army operations.
IS fighters reportedly have fled from mountain caves of Tora Bora, where al-Qaida’s leader Osama bin Laden hid from U.S. attack in 2001.
IS fighters were also reportedly advancing in neighboring Khogyani district, displacing hundreds of families, according to district officials. It is one of several areas in Nangarhar province, near the Pakistani border, where IS has been active for over two years.
Fierce clashes in the Chaparhar district of Nangarhar last month left 21 Taliban fighters and seven IS militants dead, according to a provincial spokesman. At least three civilians who were caught in the crossfire were killed and five others wounded.
“IS has overpowered Taliban in some parts of Nangarhar because the Taliban dispatched its elite commando force called Sara Qeta (Red Brigade) to other parts of the country, including some northern provinces to contain the growing influence of IS there,” Wahid Muzhda, a Taliban expert in Kabul, told VOA.
IS has also expanded in neighboring Kunar province, where, according to provincial police chief, it has a presence in at least eight districts and runs a training base, where foreign members of IS, train new recruits.
Hundreds of miles from Nangarhar, IS is attempting to establish a persistent presence in several northern provinces where it has found a fertile ground for attracting militants and recruiting unemployed youths, mostly between the age of 13 and 20.
IS has been able to draw its members from the Pakistani Taliban fighters, former Afghan Taliban, and other militants who “believe that associating with or pledging allegiance” to IS will further their interests, according to the Pentagon report.
Hundreds of militants have joined IS ranks in northern Jouzjan and Sar-e-Pul province where local militant commanders lead IS-affiliate groups in several districts.
Qari Hekmat, an ethnic Uzbek and former Taliban militant who joined IS a year ago, claims to have up to 500 members, including around 50 Uzbek nationals who are affiliated with the Islamic Movement of Uzbekistan (IMU) — previously associated with al-Qaida and Taliban in Afghanistan.
IS and Taliban are reportedly fighting over the control of Darzab district in Jouzjan which they stormed this week from two different directions and besieged scores of government forces. The Taliban has reportedly captured the center of the district while IS militants control the city outskirts.
Afghanistan faces a continuing threat from as many as 20 insurgent and terrorist networks present or operating in the Afghanistan-Pakistan region, including IS, the Pentagon said.
“In areas where the government has limited influence and control, IS attempts to emerge and expand there,” Ateequllah Amarkhail, an analysts and former Army general in Kabul told VOA.
IS has also claimed responsibility for several recent attacks in urban areas, however, with a hit-and-hide strategy that is proving effective. And it is engaging too in more skirmishes with U.S. forces that initially were sent to the country to help Afghan forces halt the spread of Taliban.
Three American service members based in eastern Afghanistan were killed in April during operations targeting IS militants, according to the Pentagon.
“ISIS-K remains a threat to Afghan and regional security, a threat to U.S. and coalition forces, and it retains the ability to conduct high-profile attacks in urban centers,” the Pentagon said. (VOA)