Scientists have only begun to discover the endless possibilities hidden within our universe, like finding an entire galaxy that shouldn’t exist! Join us in today’s epic new video as we explore an impossible galaxy!
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As well as slashing travel time to neighboring planets, PPR promises to support the transport of much heavier spacecraft, which can benefit from shielding against galactic cosmic rays, allowing space travelers to spend longer periods outside Earth’s protective dome.
The latter will be the subject of the NASA Innovative Advanced Concepts (NIAC) study, which is focusing on a large, heavily shielded ship to transport humans and cargo to Mars for the development of a Martian base.
“The main topics included: assessing the neutronics of the system, designing the spacecraft, power system, and necessary subsystems, analyzing the magnetic nozzle capabilities, and determining trajectories and benefits of the PPR. Phase II will build upon these assessments and further the PPR concept,” NASA said.
Moving one step closer to understanding mysteries at the edge of the universe.
A group of researchers at the University of Waterloo and the University of British Columbia have discovered a potential “cosmic glitch” in the universe’s gravity, explaining its strange behavior on a cosmic scale.
For the last 100 years, physicists have relied upon Albert Einstein’s theory of “general relativity” to explain how gravity works throughout the universe. General relativity, proven accurate by countless tests and observations, suggests that gravity impacts not simply three physical dimensions but also a fourth dimension: time.
The mission, billed a world first, aims to bring around two kilograms of lunar samples back to Earth.
This propulsion system would produce up to 100,000 N of thrust with a specific impulse (Isp) of 5,000 seconds.
Casting a branded short film about engineering in space — to be released on YouTube and company’s dot.com
Production states: “This is a cool project — Talent will be wearing specially constructed high-end space suits! Shorts/recuts for use in social media (Instagram and LinkedIn). Still images to be used for promotional purposes (social) and on the film landing page. Recuts and stills for paid media (banner ads) related to the film.”
Small Bang Scientists seem to have figured out why the Moon is made up of such weird and heavy rocks: way back in the day, it turned itself inside out.
For decades now, scientists have pretty much agreed that the Moon formed from debris that flew off the young Earth when another planet smashed into it about 4.5 billion years. That cosmic wreckage “coalesced, cooled and solidified” to form the Moon as we know it today, researchers from the University of Arizona’s Lunar and Planetary Laboratory wrote in a press release — but what happened next is something of a “choose-your-own adventure,” as the scientists describe it.
In a new paper published in the journal Nature Geoscience, the LPL researchers found that the surprisingly high concentration of titanium found in Moon rocks, such as those brought back during the Apollo mission in the 1970s, could be the result of heavy minerals like ilmenite, which is rich in both titanium and iron, initially sinking to the core and then rising back up to the surface.
Exoplanet, K2-18b, raised several eyebrows with both the scientific community and the public in 2023 when NASA’s James Webb Space Telescope found a molecule called dimethyl sulphide (DMS) in the atmosphere of this Hycean world. However, a recent study published in The Astrophysical Journal Letters consisting of a team of international researchers led by the University of California, Riverside (UC Riverside) use computer models to challenge these recent findings. This study holds the potential to help scientists better understand what data analysis methods are the most efficient in identifying potential biosignatures on exoplanets.
“What was icing on the cake, in terms of the search for life, is that last year these researchers reported a tentative detection of dimethyl sulfide, or DMS, in the atmosphere of that planet, which is produced by ocean phytoplankton on Earth,” said Dr. Shang-Min Tsai, who is a postdoctoral researcher at UC Riverside and lead author of the study.
For the study, the researchers used a variety of 2D and 3D computer models to ascertain the likelihood of detecting DMS within the data. in the end, they found that DMS could not be detected within the data but were quick to note that accumulation of DMS could result in it reaching amounts where it could be detected. To find DMS, JWST would need to use a more powerful instrument than what it used last year to identify DMS, which it hopes to use later this year.
Can an exoplanet’s weather be mapped similar to weather on Earth and even some of the gas giants in our solar system? This is what a recent study published in Nature Astronomy hopes to address as a team of international researchers used NASA’s James Webb Space Telescope to investigated weather patterns on WASP-43 b, which is a “hot Jupiter” gas giant exoplanet located approximately 280 light-years from Earth. This study holds the potential to help astronomers develop new methods and techniques in conducting atmospheric science on planetary bodies light years from Earth.
Discovered in 2011 by the La Silla Observatory in Chile using the transit method, WASP-43 b has a radius just slightly larger than Jupiter and whose mass is slightly more than double an orbital period of 0.8 days. Because of this extremely close distance, WASP-43 b is tidally locked to its parent star, meaning one side always faces it while the opposite side always faces away from it. In 2014, NASA’s Hubble Space Telescope conducted its own weather mapping of WASP-43 b, discovering its atmosphere reflects only small amounts of sunlight, which is in stark contrast to the Earth, along with discovering the presence of water vapor. Additionally, WASP-43 b was also observed by the now-retired NASA Spitzer Space Telescope.
“With Hubble, we could clearly see that there is water vapor on the dayside. Both Hubble and Spitzer suggested there might be clouds on the nightside,” said Dr. Taylor Bell, who is a researcher from the Bay Area Environmental Research Institute and lead author of the study. “But we needed more precise measurements from Webb to really begin mapping the temperature, cloud cover, winds, and more detailed atmospheric composition all the way around the planet.”
When astronomers looked at a stellar pair at the heart of a stunning cloud of gas and dust, they were in for a surprise. Star pairs are typically very similar, like twins, but in HD 148,937, one star appears younger and, unlike the other, is magnetic.
New data from the European Southern Observatory (ESO) suggest there were originally three stars in the system, until two of them clashed and merged. This violent event created the surrounding cloud and forever altered the system’s fate.
“When doing background reading, I was struck by how special this system seemed,” says Abigail Frost, an astronomer at ESO in Chile and lead author of the study, “A magnetic massive star has experienced a stellar merger,” published in Science.
