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  • Analysis
    43 minutes ago
    by spacepopper
    +1 +1

    No, 'Oumuamua is not an alien spaceship. It might be even weirder.

    Not to put too fine a point on it, but what the frak is 'Oumuamua?

  • Current Event
    15 hours ago
    by socialiguana
    +15 +5

    SpaceX test fires twice-flown Falcon 9 for world's first commercial Moon mission

    Likely to be the third orbital-class launch for the booster in question, SpaceX’s next launch – led by primary customer Pasifik Satelit Nusantara (PSN) – has the potential to lay claim to multiple major spaceflight “firsts”, ranging from the first time a twice-flown Falcon 9 has launched on the East Coast to the world’s first attempt to land a commercial spacecraft on another planetary body – the Moon, in this case.

  • Current Event
    18 hours ago
    by Petrox
    +6 +2

    Astronomers publish sky map of thousands of newly discovered galaxies

    An international team of more than 200 astronomers from 18 countries has published the first phase of a major new radio sky survey at unprecedented sensitivity using the Low Frequency Array (LOFAR) telescope. The survey reveals hundreds of thousands of previously undetected galaxies, shedding new light on many research areas including the physics of black holes and how clusters of galaxies evolve. A special issue of Astronomy & Astrophysics is dedicated to the first twenty-six research papers describing the survey and its first results.

  • Current Event
    10 hours ago
    by everlost
    +3 +1

    Chinese space rover begins first surface exploration of moon's far side

    A Chinese space rover explored the lunar terrain on Friday in the world's first mission on the surface of the far side of the moon. Jade Rabbit 2 drove off a ramp the previous night and onto the soft, powdery surface after a Chinese spacecraft made the first-ever soft landing on the moon's far side. A photo posted online by China's space agency showed tracks left by the rover as it headed away from the spacecraft.

  • Current Event
    1 day ago
    by timex
    +14 +3

    An asteroid will briefly blot out the sky's brightest star tonight

    Tonight is a fantastic night to hunt for Sirius in the evening sky. The night sky’s brightest star (at magnitude –1.5) appears due south and at its highest position around 9 p.m. local time tonight. It then lies about one-third of the way from the horizon to the zenith from mid-northern latitudes. (The farther south you live, the higher it appears.)

  • Current Event
    2 days ago
    by zyery
    +19 +3

    First evidence discovered of a gigantic remnant around an exploding star

    A San Diego State University astrophysicist has helped discover evidence of a gigantic remnant surrounding an exploding star—a shell of material so huge, it must have been erupting on a regular basis for millions of years. When a white dwarf, the core of a dead star, is in a close orbit with another star, it pulls gas from the other star. The gas becomes heated and compressed, eventually exploding to create a nova. This explosion causes the star to brighten by a millionfold and eject material at thousands of miles per second.

  • Current Event
    3 days ago
    by Chubros
    +18 +5

    On Mars: Earth-Like Clouds and a New Type of Rock

    NASA's Mars rovers have returned new evidence for past water, pictures of Earth-like clouds seen for the first time from the planet's surface, and a rock that doesn't look like anything scientists have ever seen. Meanwhile, officials say both robots are in surprisingly good health and could continue their science investigations for months more, despite nagging health problems.

  • Analysis
    6 days ago
    by spacepopper
    +35 +10

    Why Do the Northern and Southern Lights Differ?

    Scientists have discovered the culprit: how the sun squeezes Earth’s magnetic tail

  • Current Event
    6 days ago
    by geoleo
    +23 +6

    Elon Musk: Moving to Mars will cost less than $500,000, 'maybe even below $100,000'

    Elon Musk says he is "confident" moving to Mars will "one day" cost less than $500,000 and "maybe even" cost below $100,000. While the final cost is "very dependent on [the] volume" of travelers, Musk said the cost of moving to Mars will be "low enough that most people in advanced economies could sell their home on Earth [and] move to Mars if they want." (The median home price in the U.S. is $223,900, according to Zillow.)

  • Current Event
    5 days ago
    by wetwilly87
    +8 +3

    NASA’s photo archives reveal 60 years of space travel

    When it comes to illustrating humanity’s achievements in space, NASA’s back catalogue is as good as it gets. The images here are all part of a book tracing the agency’s 60 years of existence using more than 400 photographs. The big launches, moon landings, starscapes and Martian panoramas all make the cut, alongside plenty of striking views from behind the scenes, images that give a human scale to NASA’s vast technological endeavours.

  • Current Event
    9 days ago
    by spacepopper
    +45 +9

    Mars One is dead

    Fancied being part of a reality TV show about colonizing Mars? Sorry.

  • Current Event
    8 days ago
    by Nelson
    +18 +6

    Elon Musk Reveals Future Price Plan for a Return Ticket to Mars

    Ready to start a new life on Mars? Elon Musk, the tech entrepreneur vying to send humans to the red planet within the next decade, claimed on Monday that the cost of a ticket will one day enable “most people in advanced economies” to feasibly give up their Earth-bound dwellings and move to Mars. The SpaceX CEO stated via Twitter that he’s “confident” moving to Mars will one day cost $500,000 for a return ticket, possibly dropping further to below $100,000. These figures, Musk explained, are “very dependent on volume.”

  • Current Event
    4 days ago
    by zobo
    +14 +2

    What It Will Take For Humans to Be Self-Sustaining in Space

    We take for granted that we live on a planet that is rich in life. With over 14 million identified species, the sheer biodiversity on Earth is outstanding. We depend on this diversity for food and resources, which in return allow us to flourish and thrive. However, this symbiotic relationship doesn’t necessarily exist for the rest of the universe. In The Beginning of Infinity, physicist David Deutsch invites readers to conduct the following thought experiment: imagine the universe was divided into cubes the size of our solar system. What would a typical cube look like?

  • Current Event
    9 days ago
    by socialiguana
    +20 +4

    We finally know when Milky Way will crash into Andromeda Galaxy

    Our Milky Way galaxy will survive in its current form a bit longer than some astronomers had thought, a new study suggests. The monster collision between our Milky Way and fellow spiral galaxy Andromeda will occur about 4.5 billion years from now, according to the new research, which is based on observations made by Europe’s Gaia spacecraft. Some prominent previous estimates had predicted the crash would happen significantly sooner, in about 3.9 billion years.

  • Current Event
    11 days ago
    by TNY
    +18 +5

    Encyclopedia Galactica: How Carl Sagan helped turn an alien obsession into iconic space art

    How might human civilization be recorded in a galactic encyclopedia? Encyclopedia Galactica is the compilation of a series of paintings by award-winning artist Jon Lomberg, in collaboration with the late astronomer and science popularizer Carl Sagan. Below is the story of Encyclopedia Galactica, told by Jon Lomberg himself.

  • Current Event
    8 days ago
    by zobo
    +23 +3

    SpaceX requests FCC permission to operate 1m 'earth stations'

    Last year SpaceX successfully tested two of the microsatellites that will form the backbone of its Starlink broadband project, and in November it secured authorization to launch more than 7,000 such satellites to get the network up and running. Now…

  • Analysis
    7 days ago
    by geoleo
    +24 +2

    Water Could Have Drowned the Earth If Not for Ancient Supernova

    All of Earth might be under water if not for a fortuitously timed supernova explosion, a new study suggests. A massive star in our sun's neighborhood met its violent end just as Earth and its fellow planets were coalescing 4.6 billion years ago. The blast seeded our nascent solar system with radioactive elements, including aluminum-26 (Al-26), which then heated and dried out the rocky building blocks known as planetesimals, according to the new modeling research.

  • Current Event
    8 days ago
    by geoleo
    +12 +2

    NASA has taken a significant step toward human landings on the Moon

    For two years, the Trump administration has made various noises about returning humans to the Moon. There have been bill signings with Apollo astronauts such as Buzz Aldrin and Harrison Schmitt. Vice President Mike Pence has traveled to NASA facilities around the country to make speeches. And the president himself has mused about the Moon and Mars. However, beyond talk of returning humans to the Moon, much of the country's civil space policy and budgeting priorities really hadn't changed much until late last week.

  • Current Event
    8 days ago
    by geoleo
    +19 +2

    The company that promised a one-way ticket to Mars is bankrupt

    Mars One Ventures — the company that claimed it was going to send hundreds of people to live (and ultimately die) on the Red Planet — is now bankrupt, according to Swiss financial notices. It’s an unsurprising development, as many experts suspected that Mars One has been a scam for years, preying on people’s desires to travel to space without having a real plan to get them there.

  • Current Event
    2 weeks ago
    by geoleo
    +29 +7

    As rocket companies proliferate, new enabling tech emerges as the next wave in the space race

    Blue Origin, Rocket Lab, Relativity Space, Slingshot Aeropsace, SpaceX and Virgin Orbit have raised billions of dollars to create new vehicles to launch payloads into space, but as the private space industry develops in the U.S. investors are beginning to back enabling technologies boost the next wave of innovation. Whether it’s satellite manufacturers, new propulsion systems for satellites, antennae for data transmission or actually building out the networks themselves, the new space race will be building the next generation of services that the increasing access to space provides.

  • Current Event
    9 days ago
    by geoleo
    +7 +2

    SpaceX's Starship engine breaks Russian record amid extraordinary test series

    SpaceX CEO Elon Musk says the company’s Raptor engine, meant to power Starship and Super Heavy, has surpassed a rocketry record held by Russian scientists and engineers for more than two decades. Known as combustion chamber pressure, Raptor has reportedly surpassed a modern Russian engine known as the RD-180, reaching forces equivalent to one Tesla Model 3 balanced on every square inch of Raptor’s combustion chamber, the hardware directly adjacent to a rocket engine’s bell-shaped nozzle.

  • Current Event
    2 weeks ago
    by belangermira
    +19 +5

    'Oumuamua could be the debris cloud of a disintegrated interstellar comet

    Since it was first detected hurling through our solar system, the interstellar object known as 'Oumuamua has been a source of immense scientific interest. Aside from being extrasolar in origin, the fact that it has managed to defy classification time and again has led to some pretty interesting theories. While some have suggested that it is a comet or an asteroid, there has even been the suggestion that it might be an interstellar spacecraft.

  • Analysis
    2 weeks ago
    by estherschindler
    +18 +4

    Inside an otherworldly mission to prepare humans for Mars

    Braving deep isolation and sweaty spacesuits, six "analog astronauts" tested their tools, talents, and grit on a mock trip to the red planet.

  • Current Event
    2 weeks ago
    by geoleo
    +13 +3

    This Wild Moon Base Idea Came from Architecture Students (Video)

    Architectural students working with the European Space Agency (ESA) have created a new concept for a sustainable lunar habitat. The ESA's astronaut center in Cologne, Germany, partners with universities and research institutions to study moon-related concepts in preparation for future missions. Angelus Chrysovalantis Alfatzis is one of the researchers who has contributed to the development of a promising concept for a moon base, according to a statement from ESA.

  • Current Event
    2 weeks ago
    by dianep
    +21 +3

    How planets die: When good Jupiters go bad

    Jupiter is the Solar System’s most massive planet. It is 300 times more massive than Earth. Its gravity dominates the present-day Solar System (apart from the Sun of course). And during its early years it shaped the entire Solar System. Let’s go through the main ways in which Jupiter has influenced the Earth, starting before Earth was fully-formed...

  • Analysis
    12 days ago
    by TNY
    +11 +2

    What Are FRBs? The Discovery of Mysterious Signals From the Cosmos

    The greatest mystery of modern radio astronomy comes down to just three letters: FRB. They stand for fast radio bursts, signals that continue to defy explanation. As the name implies, these bursts of radio waves last just a millisecond or two. They’re also incredibly strong, among the brightest radio sources in the sky. That’s despite traveling an incredible distance, up to billions of light-years. Do the math, and it’s clear how powerful these things are. One FRB can easily broadcast more energy in a moment than the sun produces in a day.

  • Current Event
    12 days ago
    by timex
    +9 +2

    NASA honors fallen astronauts with Day of Remembrance

    Every year, NASA recognizes astronauts who lost their lives in the pursuit of spaceflight with an official Day of Remembrance. This year, it’s celebrated February 7. And NASA Administrator Jim Bridenstine will lay a wreath at the Tomb of the Unknown Soldier in Arlington National Cemetery. Another wreath-laying ceremony will also happen at Kennedy Space Center’s Space Mirror Memorial. Both ceremonies will also include observances for NASA’s lost explorers.

  • Current Event
    11 days ago
    by geoleo
    +22 +2

    A leaky toilet on the International Space Station is about as fun as it sounds

    Astronauts—they’re just like us. Last week, the International Space Station was plagued by a leaky toilet. The crew onboard had to put their plumbers’ hats on and get to work repairing the system as gallons of water spilled weightlessly out into the spacecraft, 250 miles above the surface of the earth. Yeeeesh, that’s rough.

  • Current Event
    3 weeks ago
    by messi
    +35 +7

    Apollo Astronauts May Have Found the Oldest Earth Rock We Know On the Moon

    One of Earth's oldest rocks may have been dug up on the moon. A chunk of material brought back from the lunar surface by Apollo astronauts in 1971 harbors a tiny piece of Earth, a new study suggests. The Earth fragment was likely blasted off our planet by a powerful impact about 4 billion years ago, according to the new research.

  • Current Event
    2 weeks ago
    by zobo
    +16 +4

    One Time America Thought About Nuking the Moon, and a Few Times Humans Smashed Things Into It Anyway

    The 1950s were a bizarre period in American history. An economic boom brought joy to a generation home from war, and also harbored a strange level of distrust, of enemies both internal and external, in a nation not quite at war, but not quite at peace either. Technology was advancing in leaps and bounds, and the Space Race between the United States and the Soviet Union was underway. To America’s dismay, the Soviets were winning – at least at first.

  • Current Event
    2 weeks ago
    by doodlegirl
    +17 +3

    China’s Moon Lander Wakes Up From Its Long, Ultra-Cold Night

    We already know it’s chilly on the moon. A lunar night lasts 14 Earth days, and its temperatures can dip into a cold so punishing it makes the polar vortex look like a hot tub. But yesterday, China’s space agency announced that the frigidity of the lunar night is even more intense than we’d thought: The country’s Chang’e 4 spacecraft recorded an icy low of –310 degrees Fahrenheit (–190 degrees Celsius).

  • Current Event
    6 days ago
    by darvinhg
    +11 +1

    New NASA Partnership Will Spearhead Search for Life

    NASA is launching a new research partnership to tackle the search for life beyond Earth, including life that may look very different from the kinds we're familiar with. The new research partnership, called the Network for Life Detection, will bring together a new NASA center dedicated to astrobiology with academic scientists in order to sort out how life began here on Earth and where it might be lurking elsewhere in the universe.

  • Analysis
    7 days ago
    by takai
    +19 +1

    To Start Life at The Nearest Star System, This Is How Big a Spaceship We Would Need

    There's no two-ways about it, the Universe is an extremely big place! And thanks to the limitations placed upon us by Special Relativity, traveling to even the closest star systems could take millennia.

  • Analysis
    1 month ago
    by Apolatia
    +49 +13

    China's cotton seeds sprout on Moon

    The seeds, inside a sealed container, are the first plants ever grown on the Moon's surface.

  • Analysis
    1 month ago
    by spacepopper
    +28 +7

    Total lunar eclipse this weekend

    Once the Saints game is over Sunday night, you can experience yet another phenomenon that is out of this world.