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Archive for the ‘space’ category: Page 246

Nov 7, 2022

Scientists unveil further proof of salty water on Mars

Posted by in category: space

It may be known as a rocky, red planet but evidence is mounting that salty water exists at the base of polar deposits on Mars.

University of Southern Queensland’s Professor Graziella Caprarelli is part of an international team investigating bright reflection signals below the Martian surface, first spotted in data acquired between 2010 and 2019 by the radar sounder MARSIS on board Mars Express.

The primarily Italian team proposed that the reflections pointed to a patchwork of salty lakes, publishing their research in Science in 2018 and in Nature Astronomy in 2021. Recently a new collaboration between the Italian team and U.S.-based researchers provided new evidence further corroborating this interpretation.

Nov 7, 2022

This stunning timelapse reveals how the universe has changed in just 12 years

Posted by in category: space

NASA combined 18 all-sky images to create a timelapse of the night sky.


The Universe is over 13 billion years old, so a 12-year slice of that time might seem uneventful. But a timelapse movie from NASA shows how much can change in just over a decade.

Nov 6, 2022

New study of comets provides insight into chemical composition of early solar system

Posted by in categories: chemistry, space

A new study from the University of Central Florida has found strong support that the outgassing of molecules from comets could be the result of the composition from the beginning of our solar system.

The results were published today in The Planetary Science Journal.

The study was led by Olga Harrington Pinto, a doctoral candidate in UCF’s Department of Physics, part of the College of Sciences.

Nov 6, 2022

Astronomers just discovered 10 billion-year-old planetary debris with Earth-like properties

Posted by in category: space

One of the oldest stars in the Milky Way has been located by astronomers from the University of Warwick.

The oldest rocky and icy planetary system identified is from the oldest white dwarf star in our galaxy and is accreting debris from circling planetesimals, according to a new study published in Monthly Notices of the Royal Astronomical Society on Saturday.

Nov 6, 2022

NASA rocket launch from Wallops site may be visible from N.J., N.Y. and Pa

Posted by in category: space

If you wake up early Sunday morning and see a small, bright object streaking through the sky, it could be a rocket that is being launched from the NASA Wallops Flight Facility in eastern Virginia.

NASA officials say the rocket may be visible from Delaware, Maryland, New Jersey, North Carolina, Pennsylvania, Virginia and West Virginia, along with Connecticut and lower New York state, shortly after liftoff — scheduled for 5:50 a.m. Sunday, Nov. 6.

The Northrop Grumman Antares rocket will be delivering supplies and science experiments to the International Space Station, NASA said. It will be the agency’s 18th resupply mission for the space station.

Nov 6, 2022

Mars Is Alive!

Posted by in category: space

Until now, Mars.

Mars is the second smallest planet in our solar system and the fourth planet from the sun. It is a dusty, cold, desert world with a very thin atmosphere. Iron oxide is prevalent in Mars’ surface resulting in its reddish color and its nickname “The Red Planet.” Mars’ name comes from the Roman god of war.

Nov 5, 2022

Astronomers find a giant new galaxy concealed within a puzzling region of the Milk Way

Posted by in category: space

Nobody has known what exists in this region of space known as the “Zone of Avoidance.” Now astronomers edge one step closer.

Astronomers have found a giant “extragalactic structure” concealed behind the Milky Way, according to a new study published in Arxiv.

The study explained that the zone of avoidance (ZOA) does not allow clear optical observations of extragalactic sources behind the Milky Way.

Continue reading “Astronomers find a giant new galaxy concealed within a puzzling region of the Milk Way” »

Nov 5, 2022

Does free will violate the laws of physics? | Sean Carroll

Posted by in categories: physics, space

Sean Carroll: We might solve free will one day. But here’s why I doubt it.

Up next, The great free will debate ► https://youtu.be/3O61I0pNPg8

Continue reading “Does free will violate the laws of physics? | Sean Carroll” »

Nov 4, 2022

Are Newton’s Laws of Gravity Wrong: Observation Puzzles Researchers

Posted by in categories: particle physics, quantum physics, space

With the new observations we are seeing a mixture of particle physics being the new physics governing even long standing laws like gravity. Also that string theory is still alive and well. I think we may never know everything unless we essentially get to a type 5 civilization or beyond.


Finding cannot be explained by classical assumptions.

An international team of astrophysicists has made a puzzling discovery while analyzing certain star clusters. The finding challenges Newton’s laws of gravity, the researchers write in their publication. Instead, the observations are consistent with the predictions of an alternative theory of gravity. However, this is controversial among experts. The results have now been published in the Monthly Notices of the Royal Astronomical Society. The University of Bonn played a major role in the study.

Continue reading “Are Newton’s Laws of Gravity Wrong: Observation Puzzles Researchers” »

Nov 4, 2022

Astronomers get a rare glimpse of the exposed core of a star

Posted by in categories: chemistry, physics, space

Sometimes astrophysics gets super weird.


A recent study of the star’s surface, published in the journal Nature Astronomy, says that we’re seeing Gamma Columbae in a short, deeply weird phase of a very eventful stellar life, one that lets astronomers look directly into the star’s exposed heart.

What’s New – The mix of chemical elements on the surface of Gamma Columbae look like the byproducts of nuclear reactions that should be buried in the depths of a massive star, not bubbling on its surface.