Space News & Blog Articles

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Dwarf Galaxies Banished the Darkness and Lit Up the Early Universe

During the Universe’s Dark Ages, dense primordial gas absorbed and scattered light, prohibiting it from travelling. Only when the first stars and galaxies began to shine in energetic UV light did the Epoch of Reionization begin. The powerful UV light shone through the Universe and punched holes in the gas, allowing light to travel freely.

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Watch the Varda Capsule’s Entire Fiery Atmospheric Re-Entry

Here’s a front row seat on what it would be like to return to Earth inside a space capsule. Varda Space Industries’ small W-1 spacecraft successfully landed at the Utah Test and Training Range on February 21, 2024.  A camera installed inside the cozy 90 cm- (3 ft)-wide capsule captured the entire stunning reentry sequence, from separation from the satellite bus in low Earth orbit (LEO) to the fiery re-entry through Earth’s atmosphere, to parachute deploy, to the bouncy landing.

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An AI Simulated Interactions Between Different Kinds of Advanced Civilizations

The possibility for life beyond the Earth has captivated us for hundreds of years. It has been on the mind of science fiction writers too as our imaginations have explored the myriad possibilities of extraterrestrial life. But what would it really be like if/when we finally meet one; would it lead to war or peace? Researchers have used a complex language model to simulate the first conversations with civilisations from pacifists to militarists and the outcomes revealed interesting challenges.

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Ingenuity Won’t Fly Again Because It’s Missing a Rotor Blade

Ingenuity has been the first aerial vehicle on another world. NASA announced the end of the Martian helicopter’s life at the end of its 72nd flight. During the flight there had been a problem on landing and, following the incident a few photos revealed chips in one of the rotor blades but nothing too serious. New images have been revealed that show the craft is missing one of its rotor blades entirely! 

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Comets: Why study them? What can they teach us about finding life beyond Earth?

Universe Today has explored the importance of studying impact craters, planetary surfaces, exoplanets, astrobiology, and solar physics, and what this myriad of scientific disciplines can teach scientists and the public regarding the search for life beyond Earth. Here, we will explore some of the most awe-inspiring spectacles within our solar system known as comets, including why researchers study comets, the benefits and challenges, what comets can teach us about finding life beyond Earth, and how upcoming students can pursue studying comets. So, why is it so important to study comets?

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DART Made a Surprisingly Big Impact on Dimorphos

NASA’s DART (Double Asteroid Redirection Test) mission was hailed a success when it collided with its target asteroid Dimorphos last year. The purpose of the endeavour was to see if it could redirect an asteroid and, since the impact, astronomers have been measuring and calculating the impact on the target. It is incredible that the 580kg spacecraft travelling at 6 km/s was able to impart enormous kinetic energy to the 5 billion kg asteroid.

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See the Dramatic Final Moments of the Doomed ERS-2 Satellite

When a satellite reaches the end of its life, it has only two destinations. It can either be maneuvered into a graveyard orbit, a kind of purgatory for satellites, or it plunges to its destruction in Earth’s atmosphere. The ESA’s ERS-2 satellite took the latter option after 30 years in orbit.

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Mars Had its Own Version of Plate Tectonics

Plate tectonics is not something most people would associate with Mars. In fact, the planet’s dead core is one of the primary reasons for its famous lack of a magnetic field. And since active planetary cores are one of the primary driving factors of plate tectonics, it seems obvious why that general conception holds. However, Mars has some features that we think of as corresponding with plate tectonics – volcanoes. A new paper from researchers at the University of Hong Kong (HKU) looks at how different types of plate tectonics could have formed different types of volcanoes on the surface of Mars.

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Planets in Binary Star Systems Could be Nice and Habitable

The Star Wars world Tatooine is one of the most recognizable planets in the realm of science fiction. It’s a harsh place, and its conditions shaped the hero Luke Skywalker in many ways. In the reality-based Universe, there may not be many worlds like it. That’s because, according to a new study out from Yale researchers, the Universe likes to be more orderly, and that affects planets and their environments.

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New Moons Found at Uranus and Neptune

Astronomers have found three new moons orbiting our Solar System’s ice giants. One is orbiting Uranus, and two are orbiting Neptune. It took hard work to find them, including dozens of time exposures by some of our most powerful telescopes over several years. All three are captured objects, and there are likely more moons around both planets waiting to be discovered.

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Some Intelligent Civilizations Will Be Trapped on their Worlds

Evolution has produced a wondrously diverse variety of lifeforms here on Earth. It just so happens that talking primates with opposable thumbs rose to the top and are building a spacefaring civilization. And we’re land-dwellers. But what about other planets? If the dominant species on an ocean world builds a technological civilization of some sort, would they be able to escape their ocean home and explore space?

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China Names its Capsule and Lander for its Upcoming Human Lunar Missions

In a recent announcement, the Chinese Space Agency (CSA) unveiled the names for its forthcoming lunar mission components. The CSA have been working towards sending humans to the Moon through a series of robotic missions. The 22-tonne capsule that is taking the astronauts to the Moon is called Mengzhuo (translates to ‘dream vessel’) and the lander has been named Lanyue (meaning ‘embracing the Moon’). Assuming all goes to plan, they will send two humans and a rover to the surface of the Moon by 2030.

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If Exoplanets Have Lightning, it’ll Complicate the Search for Life

Discovering exoplanets is almost routine now. We’ve found over 5,500 exoplanets, and the next step is to study their atmospheres and look for biosignatures. The James Webb Space Telescope is leading the way in that effort. But in some exoplanet atmospheres, lightning could make the JWST’s job more difficult by obscuring some potential biosignatures while amplifying others.

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Electrodes in Spacesuits Could Protect Astronauts from Harmful Dust on Mars

To quote NASA associate administrator Jim Reuter, sending crewed missions to Mars by 2040 is an “audacious goal.” The challenges include the distance involved, which can take up to six months to traverse using conventional propulsion methods. Then there’s the hazard posed by radiation, which includes increased exposure to solar particles, flares, and galactic cosmic rays (GCRs). And then there’s the time the crews will spend in microgravity during transits, which can take a serious toll on human health, physiology, and psychology.

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Odysseus Moon Lander Sends More Pictures — and We Know Where It Is

Four days after Intuitive Machines’ Odysseus lander made an off-kilter touchdown on the moon, the mission team is releasing snapshots that were taken during its descent.

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Astronomers Discover a New Meteor Shower. The Source is Comet 46P/Wirtanen

Like many of you, I love a good meteor shower. I have fond memories of the Leonid meteor storm back in 1999 when several hundred per hour were seen at peak. Sadly meteor storms are not that common unlike meteor showers of which, there are about 20 major showers per year. Wait, there’s another one and this time it comes from the debris left behind from Comet 46P/Wirtanen with an expected peak on December 12. Last year, 23 meteors were seen on that night that matched the location of the comets trail. 

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Surprise! Japan’s SLIM Moon Lander Wakes Up After a Freezing Night

Japan’s space agency didn’t expect its wrong-side-up SLIM moon lander to revive itself after powering down for a circuit-chilling lunar night on Feb. 1. But that’s exactly what happened.

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Titan Probably Doesn’t Have the Amino Acids Needed for Life to Emerge

Does Saturn’s largest moon, Titan, possess the necessary ingredients for life to exist? This is what a recent study published in Astrobiology hopes to address as a team of international researchers led by Western University investigated if Titan, with its lakes of liquid methane and ethane, could possess the necessary organic materials, such as amino acids, that could be used to produce life on the small moon. This study holds the potential to help researchers and the public better understand the geochemical and biological processes necessary for life to emerge throughout the cosmos.

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What Kinds of Astronomy Could Be Done With a Telescope on the Moon?

For decades, astronomers have said that one of the most optimal places to build large telescopes is on the surface of the Moon. The Moon has several advantages over Earth- and space-based telescopes that make it worth considering as a future home for giant observatories. A new paper lists all the advantages, including how telescopes on the lunar surface wouldn’t be blocked by an atmosphere or impacted by wind, and how the low gravity would allow gigantic structures to be built that could be upgraded over time by astronauts.

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The Kuiper Belt is Much Bigger Than We Thought

NASA’s New Horizons spacecraft is just over 8.8 billion km away, exploring the Kuiper Belt. This icy belt surrounds the Sun but it seems to have a surprise up its sleeve. It was expected that New Horizons would be leaving the region by now but it seems that it has detected elevated levels of dust that are thought to be from micrometeorite impacts within the belt. It suggests perhaps that the Kuiper Belt may stretch further from the Sun than we thought! 

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A Planetary Disk in the Orion Nebula is Destroying and Replenishing Oceans of Water Every Month

Planet-forming disks are places of chaotic activity. Not only do planetesimals slam together to form larger worlds, but it now appears that the process involves the destructive recycling of water within a disk. That’s the conclusion from scientists studying JWST data from a planetary birth crèche called d203-506 in the Orion Nebula.

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