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Scientists Discover Large Deposit of Ice beneath a Region of Cracked and Pitted Plains on Mars: NASA

The deposit ranges in thickness from about 260 feet to about 560 feet, with a composition that is 50 to 85 per cent water ice

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Red Planet Mars, VOA

New York, November 23, 2016 : Using data from NASA’s Mars Reconnaissance Orbiter, scientists have discovered a large deposit of ice beneath a region of cracked and pitted plains on Mars.

The deposit ranges in thickness from about 260 feet to about 560 feet, with a composition that is 50 to 85 per cent water ice, mixed with dust or larger rocky particles, the researchers reported in the journal Geophysical Research Letters.

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“This deposit probably formed as snowfall accumulating into an ice sheet mixed with dust during a period in Mars history when the planet’s axis was more tilted than it is today,” said lead author of the study Cassie Stuurman from the University of Texas at Austin in the US.

The scientists examined part of Mars’ Utopia Planitia region in the mid-northern latitudes with the orbiter’s ground-penetrating Shallow Radar (SHARAD) instrument.

Analyses of data revealed a deposit more extensive in area than the US state of New Mexico.

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The newly surveyed ice deposit represents less than one percent of all known water ice on Mars, the study said.

“This deposit is probably more accessible than most water ice on Mars, because it is at a relatively low latitude and it lies in a flat, smooth area where landing a spacecraft would be easier than at some of the other areas with buried ice,” co-author Jack Holt from the University of Texas Institute for Geophysics said.

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The Utopian water is all frozen now. If there were a melted layer — which would be significant for the possibility of life on Mars — it would have been evident in the radar scans, the researchers noted. (IANS)

  • Ruchika Kumari

    ice in mars…..interesting…..more interesting facts are to be discover

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NASA: Sending Back Astronauts to Moon in 2024 Could Cost About $30 Billion

The entire project will be framed as a practice run for a future mission to Mars

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NASA, mars
NASA, which has dubbed its current lunar programme Artemis (after Apollo's twin sister, the Greek goddess of the hunt, the wilderness and the moon), plans to send one male and one female astronaut to the moon in 2024. VOA

Returning astronauts to the moon in 2024 could cost about $30 billion, or roughly the same price tag as the Apollo 11 spaceflight when factoring in inflation, NASA has said.

“For the whole programme, to get a sustainable presence on the moon, we’re looking at between $20 and $30 billion,” NASA Administrator Jim Bridenstine said in a TV interview on Friday, though noting that that figure does not include money already spent on the rocket and space capsule the agency plans to use for the programme, Efe news reported.

The total cost of the Apollo programme that the US launched in 1961 and concluded in 1972 was $25 billion. The climax of that programme came nearly 50 years ago when two astronauts landed on the moon as part of the Apollo 11 mission, which cost $6 billion at the time, equivalent to $30 billion today.

nasa, moon
Then one male astronaut and – for the first time – a female astronaut would set foot on the lunar surface in 2024. Pixabay

NASA, which has dubbed its current lunar programme Artemis (after Apollo’s twin sister, the Greek goddess of the hunt, the wilderness and the moon), plans to send one male and one female astronaut to the moon in 2024.

Bridenstine recalled that the main difference between the Apollo programme and the Artemis program is that the former culminated with brief stays on the moon while the latter will entail a permanent human presence there.

The plan will involve the recruitment of private companies and international partners, the construction of a lunar space station and manned landings at the moon’s south pole within five years.

NASA, moon
That rocket will send into orbit a new spacecraft known as Orion, whose lead contractor is Lockheed Martin. VOA

The entire project will be framed as a practice run for a future mission to Mars. The programme includes an unmanned mission around the moon in 2020 and a manned mission that also will orbit the moon two years later. Then one male astronaut and – for the first time – a female astronaut would set foot on the lunar surface in 2024.

ALSO READ: NASA’s Mars 2020 Rover, Latest Robotic Mission to Explore Ancient Life on Red Planet

The three lunar missions will be delivered into space by the Space Launch System, a rocket being developed by NASA and Boeing that will be the largest ever built once it is fully assembled. That rocket will send into orbit a new spacecraft known as Orion, whose lead contractor is Lockheed Martin.

Besides these missions exclusively handled by NASA, five other launches will be carried out to place in lunar orbit the components for construction of the Gateway mini-space station, which will serve as a staging post for moon landings. Those five missions between 2022 and 2024 will be operated by private companies, according to NASA’s plans. (IANS)