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Archive for the ‘space’ category: Page 3

Oct 25, 2019

NASA high definition images from Mars, epic background music … It seems to be there already

Posted by in categories: media & arts, space

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Oct 25, 2019

New-Found Comet Gateway Funnels Icy Bodies Into Inner Solar System

Posted by in category: space

Newly-discovered comet gateway links icy bodies from the outer solar system into near-Earth trajectories, says paper.

Oct 24, 2019

Can This Newfound Dark, Massive Galaxy Be Astronomy’s ‘Missing Link’ In The Universe?

Posted by in category: space

If this newfound galaxy is just the tip of the iceberg, the entire Universe may fall into place.

Oct 24, 2019

The Universe Is Made of Tiny Bubbles Containing Mini-Universes, Scientists Say

Posted by in category: space

‘Spacetime foam’ might just be the wildest thing in the known universe, and we’re just starting to understand it.

Oct 24, 2019

How Fast Is The Universe Expanding? Incompatible Answers Point To New Physics

Posted by in categories: physics, space

As more data comes in, the puzzle gets deeper and deeper.

Oct 24, 2019

NASA Innovator Experiments with Force Fields for Moving Matter

Posted by in categories: particle physics, space

On a metal workbench covered with tools, instruments, cords, and bottles of solution, Aaron Yevick is using laser light to create a force field with which to move particles of matter.

Yevick is an optical engineer who came to NASA’s Goddard Space Flight Center in Greenbelt, Maryland, full-time earlier this year. Despite being in his current position with NASA less than a year, Yevick received funding from the Goddard Fellows Innovation Challenge (GFIC) — a research and development program focused on supporting riskier, less mature technologies — to advance his work.

His goal is to fly the technology aboard the International Space Station, where astronauts could experiment with it in microgravity. Eventually, he believes the technology could help researchers explore other planets, moons, and comets by helping them collect and study samples.

Oct 23, 2019

First identification of a heavy element born from neutron star collision

Posted by in categories: physics, space

For the first time, a freshly made heavy element, strontium, has been detected in space, in the aftermath of a merger of two neutron stars. This finding was observed by ESO’s X-shooter spectrograph on the Very Large Telescope (VLT) and is published today in Nature. The detection confirms that the heavier elements in the Universe can form in neutron star mergers, providing a missing piece of the puzzle of chemical element formation.

In 2017, following the detection of gravitational waves passing the Earth, ESO pointed its telescopes in Chile, including the VLT, to the source: a star merger named GW170817. Astronomers suspected that, if did form in neutron star collisions, signatures of those elements could be detected in kilonovae, the explosive aftermaths of these mergers. This is what a team of European researchers has now done, using data from the X-shooter instrument on ESO’s VLT.

Following the GW170817 merger, ESO’s fleet of telescopes began monitoring the emerging kilonova explosion over a wide range of wavelengths. X-shooter in particular took a series of spectra from the ultraviolet to the near infrared. Initial analysis of these spectra suggested the presence of heavy elements in the kilonova, but astronomers could not pinpoint individual elements until now.

Oct 23, 2019

As We Search for a New Home, Robots Have Conquered Space

Posted by in categories: biological, habitats, robotics/AI, space

Space — also commonly known as the final frontier — has left us in a state of awe since we ever first laid eyes on it. Inspired by numerous works of science fiction, we’ve made it a mission of ours to not only explore space but to colonize its planets as we continue searching for a secondary home.

And while our efforts have been mildly successful thus far, a group of non-biological “creatures” have already achieved the difficult task of conquering space. They’re known as robots.

Whether on the International Space Station (ISS) or on another planet, these automated machines have extended our reach into the cosmos far better than any actual human hand has accomplished. It all started in 1969 when the Soviets made the first attempt to land a robotic rover, known as Lunokhod 0, onto the Lunar surface of our Moon. Unfortunately for the Soviets, the rover was unsuccessful in its landing; instead crashing down after a failed start.

Oct 23, 2019

ISRO Releases Chandrayaan-2’s First Illuminated Image of the Lunar Surface

Posted by in category: space

ISRO on Thursday released the first image of the surface of the moon captured by the Imaging Infrared Spectrometer (IIRS) payload on-board Chandrayaan-2.

Oct 23, 2019

Air-breathing engine precooler achieves record-breaking Mach 5 performance

Posted by in categories: engineering, space

UK company Reaction Engines has tested its innovative precooler at airflow temperature conditions equivalent to Mach 5, or five times the speed of sound. This achievement marks a significant milestone in its ESA-supported development of the air-breathing SABRE engine, paving the way for a revolution in space access and hypersonic flight.

The precooler heat exchanger is an essential SABRE element that cools the hot airstream generated by air entering the engine intake at hypersonic speed.

“This is not only an excellent achievement in its own right but one important step closer to demonstrating the feasibility of the entire SABRE engine concept,” said Mark Ford, heading ESA’s Propulsion Engineering section.

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