Space News & Blog Articles

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A New Superconducting Camera can Resolve Single Photons

Researchers have built a superconducting camera with 400,000 pixels, which is so sensitive it can detect single photons. It comprises a grid of superconducting wires with no resistance until a photon strikes one or more wires. This shuts down the superconductivity in the grid, sending a signal. By combining the locations and intensities of the signals, the camera generates an image.

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China Set Up a Tiny Farm on the Moon in 2019. How Did it Do?

On January 3rd, 2019, China’s Chang’e-4 lander touched down on the far side of the Moon and deployed the Yutu rover. In addition to its many instruments, the rover carried an important science experiment known as the Biological Experiment Payload (BEP). Over the next eight days, this payload conducted a vital experiment where it attempted to grow the first plants on the Moon. Included in the payload were cotton, potato, arabidopsis, and rape seeds, along with fly eggs, yeast, and 18 ml (0.6 fluid oz) of water, which was kept at a constant atmospheric pressure.

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Uranus Has Infrared Auroras, Too

Just in time for Hallowe’en, astronomers confirmed the existence of spooky-looking infrared auroras on Uranus. Their existence reveals something about that planet’s misaligned magnetic field.

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Mars Still Has Liquid Rock Near its Core

Why doesn’t Mars have a magnetic field? If it did, the planet would be protected from cosmic radiation and charged particles emitted by our Sun. With a magnetic field, perhaps the Red Planet wouldn’t be the dry, barren world it is today.

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An Exo-Neptune Beat the Odds and Kept its Atmosphere

As planet-hunting scientists find more and more planets, they’ve encountered some puzzles. One of them concerns the lack of Neptune-size worlds orbiting close to their stars. Astronomers think that these planets aren’t massive enough to retain their atmospheres in the face of their stars’ powerful radiation, which strips it away.

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What’s Inside the Carina Pillars? Massive Protostars and Newly-Forming Planets!

Star-forming nebulae are busy places. Unfortunately, clouds of gas and dust usually hide the action. To cut through the dust in one such region, a team of astronomers used the Atacama Large Millimeter Array (ALMA). They peered inside the Pillars of the Carina Nebula and studied molecular outflows (or jets) emanating from objects in this famous star-birth nursery.

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Io has 266 Active Volcanic Hotspots Linked by a Global Magma Ocean

Jupiter’s Io stands apart from the Solar System’s other moons, with its numerous volcanoes and its surface dominated by lava flows. Io’s surface volcanism was confirmed in 1979 when the Voyager spacecraft imaged it, but its volcanic nature isn’t duplicated anywhere else in our system. Tidal heating is behind the moon’s eruptive nature, driven by Jupiter’s powerful gravity, and by resonance with other moons. But is there a magma ocean inside Io?

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After DART Smashed Into Dimorphous, What Happened to the Larger Asteroid Didymos?

NASA’s DART mission (Double Asteroid Redirection Test) slammed into asteroid Dimorphos in September 2022, changing its orbital period. Ground and space-based telescopes turned to watch the event unfold, not only to study what happened to the asteroid, but also to help inform planetary defense efforts that might one day be needed to mitigate potential collisions with our planet.

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This Photonic Crystal Bends Light Like a Black Hole

One of the first observational tests of general relativity was that the path of light bends in the presence of mass. Not only refracts the way light changes direction as it enters glass or other transparent materials, but bends along a curved bath. This effect is central to a range of physical phenomena, from black holes to gravitational lensing to observations of dark matter. But because the effect is so tiny on human scales, we can’t study it easily in the lab. That could change in the future thanks to a new discovery using distorted photonic crystals.

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Civilizations are Probably Spreading Quickly Through the Universe

The Search for Extraterrestrial Intelligence (SETI) has always been plagued by uncertainty. With only one habitable planet (Earth) and one technologically advanced civilization (humanity) as examples, scientists are still confined to theorizing where other intelligent life forms could be (and what they might be up to). Sixty years later, the answer to Fermi’s famous question (“Where is Everybody?”) remains unanswered. On the plus side, this presents us with many opportunities to hypothesize possible locations, activities, and technosignatures that future observations can test.

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Astronomers Want JWST to Study the Milky Way Core for Hundreds of Hours

To understand the Universe, we need to understand the extreme processes that shape it and drive its evolution. Things like supermassive black holes (SMBHs,) supernovae, massive reservoirs of dense gas, and crowds of stars both on and off the main sequence. Fortunately there’s a place where these objects dwell in close proximity to one another: the Milky Way’s Galactic Center (GC.)

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Catch a ‘Pac-Man’ Partial Lunar Eclipse for Europe and Africa This Weekend

A slender partial lunar eclipse bookends the final eclipse season of 2023.

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Sit on the Toilet while you Gaze at the Earth from the Edge of Space

You’re an excited, spacefaring passenger strolling about a pressurized cabin approximately 30 kilometers (20 miles) above the Earth. Your trip is scheduled for six hours, and you’ve already consumed the world-class food and drinks to complement this awesome view from Spaceship Neptune, which is provided by Space Perspective, the World’s First Carbon-Neutral Spaceflight Experience Company. But now you’re three hours into your trip and you have to go to the bathroom. Don’t worry, that’s where the Space Spa comes in, which was recently unveiled as one of the many features offered by Space Perspective as part of its spaceflight experience. An important aspect is paying customers, which Space Perspective refers to as Explorers, will be able to catch the great view even while taking a break in the Space Spa, with Space Perspective posting detailed images of the Space Spa to its official X page.

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‘Her Space, Her Time’ Reveals the Hidden Figures of Physics

Quick: Name a woman scientist.

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Lunar Astronauts Will Need Easy Walking Trails Around the Moon's South Pole

Before this decade is out, NASA plans to return astronauts to the Moon for the first time since the Apollo Era and build the necessary infrastructure to keep sending them back. And they will hardly be alone. Alongside NASA’s Artemis Program, the European Space Agency also plans to send astronauts to the Moon and establish a permanent habitat there (the Moon Village), while China and Russia are working towards creating the International Lunar Research Station (ILRS). Numerous commercial space companies will also be there to provide crew transportation, cargo, and logistical services.

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A Fast Radio Burst Took 8 Billion Years to Reach Us

Fast Radio Bursts are an astrophysical enigma. They are intense bursts of radio energy lasting anywhere from a fraction of a millisecond to a few seconds, typically with a frequency of around 1,400 MHz, and we still don’t know what causes them. They were first detected in 2007 but were initially so rare and short-lived that it was difficult to confirm they weren’t terrestrial in origin. With the inauguration of the CHIME telescope and other wide-field radio observatories, we started observing lots of them, which confirmed they were both astrophysical and mostly coming from outside our galaxy. Now one has been observed from a galaxy 8 billion light years away, and it could help us solve a cosmological mystery.

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The Moon is 40 Million Years Older Than We Thought

An object the size of Mars crashed into the Earth over 4 billion years ago, creating a cloud of debris that formed the Moon. When the Apollo astronauts landed on the lunar surface, they found and brought back Moon rocks that helped pinpoint when this event happened. Now, a new study of crystals in the lunar samples pushed that event back even further –about 40 million years earlier than previous estimates — setting the Moon’s formation to about 4.46 billion years old – not long after the Earth formed.

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“The Big One”: The Most Powerful Marsquake Ever Detected

The ground shakes. Paintings tilt. Walls crack. Rubble may fall. On Earth, we understand how and where these events happen due to the discovery of plate tectonics – the continental crust’s creation, movement, and destruction. However, when astronauts placed seismometers on the lunar surface during NASA’s Apollo mission era, those instruments recorded quakes on the Moon. In the 1970s, the Viking landers also recorded quakes on the surface of Mars. Since neither of these worlds has plate tectonics, scientists set about collecting more data to understand the phenomena, which led to the recent NASA InSight lander. Now, a new paper in Geophysical Research Letters explains how the largest recorded seismic event on Mars provided evidence for a different sort of tectonic origin — the release of stress within the Martian crust.

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How Close is Too Close to a Kilonova?

Cataclysmic events happen in the Universe all the time. Black hole mergers, supernovae, gamma-ray bursts, and a whole host of others. Most of them happen in distant galaxies, so they pose no threat to us. But there are a few that could affect life on Earth, and a couple could even pose an existential threat. One of these threats is known as a kilonova.

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A Kilonova Simulated in 3D

In 2017, astronomers detected gravitational waves from colliding neutron stars for the first time: a kilonova. Enormous amounts of heavy metals were detected in the light from the explosion, and astronomers continued to watch the expanding debris cloud.

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An Unusual Crater on Pluto Might be a Supervolcano

Pluto with a super-cryovolcano? Why not! All the elements are there, just not in the way we normally think of volcanoes. And, cryovolcanoes are the reason why Pluto’s surface looks the way it does. A recent research paper explains why Pluto could be the home of the latest supervolcano discovery in the Solar System.

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