From universetoday.com
Gravitational Lens Confirms the Hubble Tension
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Astronomers want new ways to measure distance in the Universe, working to calculate its rate of expansion. A new image from JWST contains a gravitational lens of a background galaxy. And in that galaxy are three versions of the same Type 1a supernova, one of the most distant ever seen. With this...
4h ago
From universetoday.com
NASA Turns Off One of Voyager 2's Science Instruments
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The two Voyager spacecraft have been speeding through space since 1977, powered by decaying chunks of plutonium that produce less and less energy every year. With less electricity available, NASA has decided to shut down one experiment on Voyager 2, the plasma science instrument. This device...
on Wed, 11PM
From universetoday.com
The Final Vega Rocket Blasts Off
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The European Space Agency (ESA) launched its final Vega rocket this week, lofting a Sentinel-2C Earth observation satellite into orbit. This wraps up 12 years of service and 20 successful flights for the venerable Vega. The rocket launched several well-known missions, including LISA Pathfinder...
on Sep 6
From universetoday.com
NASA's Putting its Solar Sail Through its Paces
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Those of you following the Advanced Composite Solar Sail System may have heard that its booms and sail are now deployed. It is receiving light pressure from the Sun to propel it through the Solar System. Like a test pilot in a new aircraft, NASA are now testing out just how it handles. Before...
on Sep 6
From universetoday.com
A Surprise Asteroid Lit Up the Sky Over the Philippines
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The Catalina Sky Survey detected a one meter asteroid only hours before it reached Earth. It exploded in a flash above the Philippines.
on Sep 5
From universetoday.com
Perseverance Finds a Strange Black-and-White Striped Rock on Mars
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Perseverance rover on Mars spotted a strange striped rock in Jezero Crater that has planetary scientists discussing its origins.
on Wed, 10PM
From universetoday.com
Bernard's Star Has a Planet (Again)!
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The red dwarf Barnard's Star is the closest single star to the Sun, only six light-years away. Astronomers have announced the discovery of a planet with half the mass of Venus, orbiting the star every three days. This puts it too close to be in the habitable zone, with a surface temperature of...
on Wed, 5PM
From universetoday.com
An October Annular Solar Eclipse Rounds Out 2024
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A remote annular solar eclipse bookends the final eclipse season for 2024.
on Wed, 3PM
From universetoday.com
We Don't See Many Planets in Old Triple Star Systems
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Why is it important to search for exoplanets in triple star systems and how many can we find there? This is what a recent study accepted by Astrophysics & Space Science hopes to address as a pair of researchers from the University of Texas at Arlington investigated the statistical likelihood of...
on Wed, 2AM
From universetoday.com
Stranded Astronauts To Get Their Ride Home
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You might remember the story of the two astronauts on board the International Space Station that went for an 8 day mission, that was back in June 2024! Butch Wilmore and Suni Williams have been stranded there ever since but their ride home has just arrived at the ISS. A SpaceX Crew Dragon...
on Wed, 2AM
From universetoday.com
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The general consensus is that Theia crashed into Earth billions of years ago and led to the formation of the Moon. The story doesn’t end there though since there are a few lines of evidence to suggest the Moon could have been captured by the gravitational pull of the Earth instead. The orbit of...
on Tue, 12AM
From universetoday.com
Fraser Cain (@fraser@m.universetoday.com)
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Attached: 1 image The Milky Way is in the Local Group, which is part of the Virgo Supercluster, which is in a 500-million-light-year-across structure called Laniākea. A new survey of the cosmos suggests that even this enormous structure might be part of an even larger region of mutual...
on Mon, 9PM
From universetoday.com
Nuclear Detonations Could Deflect Dangerous Asteroids Away from Earth
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Before you read the rest of this article know there are no known threats to life on Earth! We shouldn’t sit complacently on this tiny rock in space though so NASA have been working on ways to neutralise potential asteroid threats should they arise. The DART mission proved it was possible to...
on Mon, 2PM
From universetoday.com
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I don’t think it’s something I have ever really thought of! Robotic explorers can travel around the Solar System visiting our neighbouring planets but when they arrive, sometimes a scientific package must be deployed to the surface. Never occurred to me just how that’s achieved! With a number of...
on Mon, 8AM
From universetoday.com
How Does the Milky Way Compare to Other Galaxies?
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Looking out into the universe, astronomers have identified countless spiral galaxies similar to the Milky Way. But is our home galaxy normal? A 10+ year survey called Satellites Around Galactic Analogs (SAGA) has been measuring galaxy systems like the Milky Way, including the companion satellite...
on Sat, 5PM
From universetoday.com
Space Perspective Completes a Test Flight, Sending a Balloon to 30 km
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It’s great to see so many private organisations entering the space sector. Space Perspective are another and they have just completed a successful uncrewed capsule ascent to an altitude of 30km. Their Neptune-Excelsior capsule was carried by a balloon and landed in the ocean 6 hours later. It...
on Sat, 11AM
From universetoday.com
Europe Simulates the Moon on Earth
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The European Space Agency and the German Aerospace Center built a Moon surface simulator called LUNA where future astronauts will train.
on Sat, 4AM
From universetoday.com
Space Travel Weakens the Heart, New Study Finds
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It’s no secret that spending extended periods in space takes a toll on the human body. For years, NASA and other space agencies have been researching the effects of microgravity on humans, animals, and plants aboard the International Space Station (ISS). So far, the research has shown that being...
on Sat, 2AM
From universetoday.com
From Frozen to Sweltering: Earth's Climate Over the Last 485 Million Years
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Researchers have charted Earth's surface temperature for the last 485 million years. Temperature rises as carbon increases.
on Sat, 2AM
From universetoday.com
SpaceX Recovers the Super Heavy Booster from Flight 4
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On June 6th, 2024, the fourth orbital test flight of the Starship successfully lifted off at 07:50 a.m. CT (08:50 a.m. EDT; 06:50 PDT) from SpaceX’s Starbase in Texas. This test was the first time the Starship (SN29) and Super Heavy (BN11) prototypes reentered Earth’s atmosphere and landed...
on Sat, 1AM
From universetoday.com
High-Resolution Images of the Sun Show How Flares Impact the Solar Atmosphere
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Solar flares are a fascinating thing and have a profound effect on what astronomers refer to as “space weather.” These events vary with the Sun’s 11-year solar cycle, releasing immense amounts of radiation across the electromagnetic spectrum (from extreme ultraviolet to X-rays) into space. The...
on Sat, 1AM
From universetoday.com
Dark Matter Could a Have Slight Interaction With Regular Matter
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Dark matter seems to be an invisible particle that only interacts with regular matter (or itself) through gravity. But in a new study, based on data gathered by Hubble, researchers think they've found evidence of interactions with regular matter beyond just gravity. They recorded the structure...
on Sat, 1AM
From universetoday.com
Martian Clay Could Be Hiding the Planet's Atmosphere
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We know that Mars was once a warmer, wetter world with a thicker atmosphere, but now it has 1% of the atmospheric density of Earth. Where did it all go? One theory is that billions of years of interaction with the solar wind have buffeted it off into space. New research suggests that the...
on Fri, 9PM
From universetoday.com
Astronomers Find a Strange Lopsided Planet
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I’ve often stated that planets come in a wide range of sizes but rarely do I find myself stating they come in a wide range of shapes too! The discovery of WASP-107b is a case in point since this planet is the size of Jupiter but only a tenth of its mass. But there’s more… … Continue reading...
on Fri, 2PM
From universetoday.com
Another Building Block of Life Can Handle Venus' Sulphuric Acid
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Lipids are critical parts of cell walls. Can these building blocks of life survive in Venus' inhospitable atmosphere?
on Sep 26
From universetoday.com
Will Comet A3 Tsuchinshan-ATLAS Shine Brighter Than Expected?
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Now is the time to catch Comet A3-Tsuchinshan-ATLAS at dawn.
on Sep 26
From universetoday.com
A New Rover Design Could Crawl Across the Moon for Decades Harvesting Water
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We have known that water ice exists on the Moon since 1998. These large deposits are found in the permanently shadowed craters around the polar region. The challenge is how to get it since shadowed craters are not the best place for solar powered vehicles to operate. A team of engineers have...
on Sep 26
From universetoday.com
Fraser Cain (@fraser@m.universetoday.com)
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Attached: 1 image The European Space Agency has opened a new mock-up of the Moon in Cologne, Germany. This simulated lunar surface measures 700 square meters (about a sixth of an acre) and contains 900 tonnes of simulated lunar regolith, as well as boulders, craters, and other lunar hazards....
on Sep 26
From universetoday.com
Biosignatures Can be Made in the Lab. No Life Needed.
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Astrobiologists continue to search for their ideal biosignatures. A chemical or collection of chemicals that would give a clear indication of life on an exoplanet. The problem is that natural processes can produce all the same chemicals that life can generate. Now, researchers have produced...
on Sep 25
From universetoday.com
How a Nearby Supernova Left its Mark on Earth Life
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Earth has been exposed to radiation from multiple supernovae. Has the radiation impacted the course of evolution?
on Sep 25
From universetoday.com
Shape-Shifting Robots Mimic Muscle Movements
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Researchers have developed a set of hexagon-shaped robotic components that can be snapped together into larger and larger structures. Each one of the component hexagons is made of rigid plates that serve as its exoskeleton. Driven by electricity, the plates can change their shape, shifting from...
on Sep 24
From universetoday.com
A New Catalog Charts the Evolution of the Universe Over Time
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An atlas doesn’t seem to be an essential item in cars these days but think about them and most people will think about distances. An atlas of the stars not only covers distances but must also take into account time too. The Andromeda galaxy for example is so far away that its light takes 2.5 …...
on Sep 24
From universetoday.com
What Happens to the Climate When Earth Passes Through Interstellar Clouds?
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Noctilucent clouds were once thought to be a fairly modern phenomenon. A team of researcher have recently calculated that Earth and the entire Solar System may well have passed through two dense interstellar clouds causing global noctilucent clouds that may have driven an ice age. The event is...
on Sep 24
From universetoday.com
Those Aren't Dyson Spheres, They're HotDOGs
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Earlier this year, researchers claimed that they had found infrared signatures for candidate Dyson Sphere megastructures in archival WISE data. Astronomers were skeptical, suggesting that these objects might just be stars visually close to highly luminous "Hot Dust-Obscured Galaxies (HotDOGS)."...
on Sep 23
From universetoday.com
Plants Would Still Grow Well Under Alien Skies
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Photosynthesis changed Earth in powerful ways. When photosynthetic organisms appeared, it led to the Great Oxygenation Event. That allowed multicellular life to evolve and resulted in the ozone layer. Life could venture onto land, protected from the Sun’s intense ultraviolet radiation. But...
on Sep 23
From universetoday.com
This Might Be the Best Gravitational Lens Ever Found
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Astronomers study the Carousel gravitational lens and its lensed objects to understand its matter distribution and info about early galaxies.
on Sep 23
From universetoday.com
Researchers Mimic Extracting Energy From Black Holes in the Lab
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As black holes spin, they drag space-time along with them, and scientists have proposed that this could be a source of energy for an advanced civilization, harvesting momentum from material ejected from this twisting spacetime. The concept has been generalized, and it's theoretically possible to...
on Sep 22
From universetoday.com
Advanced Civilizations Will Overheat Their Planets Within 1,000 Years
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Earth’s average global temperatures have been steadily increasing since the Industrial Revolution. According to the National Oceanic and Atmospheric Agency (NOAA), Earth has been heating up at a rate of 0.06 °C (0.11 °F) per decade since 1850 – or about 1.11 °C (2 °F) in total. Since 1982, the...
on Sep 21
From universetoday.com
Astronomers Find the Longest Black Hole Jets Ever Seen
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Black holes often appear in science fiction movies, largely because elements of their existence are still a mystery. They have fascinating impacts on the surrounding region of space too with distortions in space and time high on the list. A team of astronomers have found a supermassive black...
on Sep 21
From universetoday.com
Io's Volcanoes are Windows into its Hot Interior
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Researchers used data from Juno's JIRAM instrument to map Io's global heat flux. It's like a window into the moon's interior.
on Sep 21
From universetoday.com
Second Generation Starlinks are 32 Times Brighter in Radio Wavelengths
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Global internet access does seem like a worthy enterprise yet the rise of satellite megaconstellations there is a danger of the night sky becoming ruined. Astronomers the world over are keeping an eye on the impact these satellites are having on the night sky. Until recently the concerns have...
on Sep 21
From universetoday.com
There's Water All Over the Moon
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Scientists mapped the location of water and hydroxyls on the Moon using a NASA instrument aboard the Chandrayaan-1 spacecraft.
on Sep 21
From universetoday.com
Could Stars Hotter Than the Sun Still Support Life?
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Astronomers have several classifications for stars: the Sun is a G-type star. As you go up the list, the next hotter stars are the F-type, with surface temperatures in the range of 6200–7200 K. Could these stars have habitable zones where planets might support life? According to a new study,...
on Sep 20
From universetoday.com
Slime Mold Can Teach Us About the Cosmic Web
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Computers truly are wonderful things and powerful but only if they are programmed by a skilful mind. Check this out… there is an algorithm that mimics the growth of slim mold but a team of researchers have adapted it to model the large scale structure of the Universe. Since the Big Bang, the...
on Sep 20
From universetoday.com
The Polaris Dawn Crew is Back on Earth
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On September 15th, 2024, the Polaris Dawn crew returned to Earth after spending five days in orbit. The mission was the first of three planned for the Polaris program, a private space project to advance human spaceflight capabilities and raise funds and awareness for charitable causes. The...
on Sep 20
From universetoday.com
Building a Worldwide Map of Light Pollution
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As someone that has always lived in the UK countryside I am no stranger to the glory of a dark star-filled sky. Sadly 60% of the world’s population has already lost access to the night sky thanks to light pollution. Across Europe and the US that number climbs to nearer 80%. A team of researchers...
on Sep 20
From universetoday.com
Life Might Thrive on the Surface of Earth for an Extra Billion Years
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New research shows that Earth's biosphere will survive for up to 1.86 billion years rather than one billion.
on Sep 19
From universetoday.com
Exoplanets Could be Hiding Their Atmospheres
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One of the most intriguing planetary systems is TRAPPIST-1, with several Earth-sized worlds orbiting a red dwarf star, and astronomers have already scanned planets to search for evidence of an atmosphere. The first two worlds appear to be airless super-mercuries, and the hope lies on the next...
on Sep 19
From universetoday.com
Metal Part 3D Printed in Space for the First Time
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Additive manufacturing, also known as 3D printing, has had a profound impact on the way we do business. There is scarcely any industry that has not been affected by the adoption of this technology, and that includes spaceflight. Companies like SpaceX, Rocket Lab, Aerojet Rocketdyne, and...
on Sep 19
From universetoday.com
Actually, Ceres Might Have Formed in the Asteroid Belt After All
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Studies of the Dawn mission data taken at Ceres suggest that this dwarf planet may have formed in the Asteroid Belt, instead of farther out.
on Sep 19