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Archive for the ‘space’ category: Page 119

Jan 21, 2024

Centaurs Gain Comet-like Characteristics through Close Encounters with Jupiter, Saturn

Posted by in category: space

A rapid reshaping of orbits resulting from a close encounter with Jupiter or Saturn can lead Centaurs to exhibit comet-like activity, according to a Planetary Science Institute Senior Scientist Eva Lilly paper.

Centaurs are small bodies similar to asteroids in size but to comets in composition that revolve around the sun in the outer solar system, mainly between the orbits of Jupiter and Neptune.

We have found some answers to the long-standing mystery of why some Centaurs became active like comets while the rest appear like regular quiet asteroids. Nobody knew why they behaved this way. It did not make any sense.

Jan 21, 2024

Japan becomes the 5th country to land a spacecraft on the moon

Posted by in categories: solar power, space, sustainability

TOKYO (AP) — Japan became the fifth country in history to reach the moon when one of its spacecrafts without astronauts successfully made a soft landing on the lunar surface early Saturday.

However, space officials said they need more time to analyze whether the Smart Lander for Investigating Moon, or SLIM, achieved its mission priority of making a pinpoint landing. They also said the craft’s solar panel had failed to generate power, which could shorten its activity on the moon.

Space officials believe the SLIM’s small rovers were launched as planned and that data was being transmitted back to Earth, said Hitoshi Kuninaka, head of the Institute of Space and Astronautical Science, a unit of Japan’s space agency.

Jan 21, 2024

There’s lots of water on the moon for astronauts. But is it safe to drink?

Posted by in category: space

Two space agencies say we need filter systems for drinking moon water, and they need the public’s help with the AquaLunar challenge.

Jan 20, 2024

The New Story of the Milky Way’s Surprisingly Turbulent Past

Posted by in categories: mapping, space

The latest star maps are rewriting the story of our Milky Way, revealing a much more tumultuous history than astronomers suspected.

By Ann Finkbeiner

Jan 19, 2024

Compact, shape-shifting robot by Transformers’ inventors lands on Moon

Posted by in categories: robotics/AI, space

Japanese toy manufacturer Takara Tomy developed the lunar rover, SORA-Q, in association with JAXA, Sony Group, and Doshisha University.


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Jan 19, 2024

OpenDAC: The OpenDAC project is a collaborative research project between Fundamental AI Research (FAIR) at Meta and Georgia Tech

Posted by in categories: climatology, robotics/AI, space, sustainability

The OpenDAC project is a collaborative research project between Fundamental AI Research (FAIR) at Meta and Georgia Tech, aimed at significantly reducing the cost of Direct Air Capture (DAC).

Direct Air Capture (DAC) involves directly capturing carbon dioxide from the atmosphere and has been widely recognized as a crucial tool in combating climate change. Despite its potential, the broad implementation of DAC has been impeded by high capture costs. Central to overcoming this hurdle is the discovery of novel sorbents — materials that pull carbon dioxide from the air. Discovering new sorbents holds the key to reducing capture costs and scaling DAC to meaningfully impact global carbon emissions.

The DAC space is growing rapidly with many companies entering the space. To engage the broader research community as well as the budding DAC industry, we have released the OpenDAC 2023 (ODAC23) dataset to train ML models. ODAC23 contains nearly 40M DFT calculations from 170K DFT relaxations involving Metal Organic Frameworks (MOFs) with carbon dioxide and water adsorbates. We have also released baseline ML models trained on this dataset.

Jan 19, 2024

5 Earth-like worlds may lurk in the outer reaches of the solar system, simulations suggest

Posted by in category: space

The young sun may have captured several Mars-or Mercury-size exoplanets that now orbit in the outer reaches of the solar system, but identifying them will be extremely challenging.

Jan 19, 2024

Typo in telescope coordinates reveals one of the faintest galaxies in the known universe

Posted by in category: space

Astronomers accidentally uncovered an extremely dark primordial galaxy — one of the faintest objects in the universe — because of a typo in their telescope coordinates.

Jan 19, 2024

The next country to land humans on the moon in the next 10 years ‘sets a precedent’ for who decides the rules there: US officials

Posted by in category: space

The US and China are racing to be the first to put a man on the moon in the 21st Century, but NASA last week announced delays to its crewed missions.

Jan 19, 2024

The oxygen bottleneck for technospheres

Posted by in category: space

On Earth, technological advances required open-air combustion, which needs an oxygen partial pressure of about 18%. This threshold can help guide searches for detectable technospheres on other planets.

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