Universe Today
Universe Today
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You Can Actually See the Milky Way’s Wave When You Map Its Stars
Spiral galaxies are one of the most commonly known types of galaxy. Most people think of them as large round disks, and know that our Milky Way is counted among their number. What most people don’t realize is that many spiral galaxies have a type of warping effect that, when you look at them edge …
Continue reading "You Can Actually See the Milky Way’s Wave When You Map Its Stars"
The post You Can Actually See the Milky Way’s Wave When You Map Its Stars appeared first on Universe Today.
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In Theory, Supermassive Black Holes Could get Even More Supermassive
A new study proposes that the upper mass limit for black holes could be a million times larger than we thought.
The post In Theory, Supermassive Black Holes Could get Even More Supermassive appeared first on Universe Today.
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The Universe in Formation. Hubble Sees 6 Examples of Merging Galaxies
Audio narration by the author is available above 10 billion years ago, galaxies of the Universe were ablaze with the light of newly forming stars. This epic phase of history is known as “Cosmic Noon” – the height of all star creation. Galaxies like our Milky Way aren’t creating stars at nearly the rates they …
Continue reading "The Universe in Formation. Hubble Sees 6 Examples of Merging Galaxies"
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Virgin Orbit Successfully Launches a Batch of Satellites From an Airplane
Virgin Orbit has successfully tested its new air-launch system (LauncherOne) that will deliver small satellites to orbit in the near future.
The post Virgin Orbit Successfully Launches a Batch of Satellites From an Airplane appeared first on Universe Today.
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The “Happy Face Crater” on Mars Has Been Changing Right Before Our Eyes
Who has an even bigger grin than ten years ago? This goofy-looking crater on Mars. These two images were taken by the HiRISE camera (High Resolution Imaging Science Experiment) on board the Mars Reconnaissance Orbiter and shows how Mars’ surface is changing over time – in this case, due to thermal erosion. The first of …
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Only 31 Magnetars Have Ever Been Discovered. This one is Extra Strange. It’s Also a Pulsar
Some of the most stunningly powerful objects in the sky aren’t necessarily the prettiest to look at. But their secrets can allow humanity to glimpse some of the more intricate details of the universe that are exposed in their extreme environs. Any time we find one of these unique objects it’s a cause for celebration, …
The post Only 31 Magnetars Have Ever Been Discovered. This one is Extra Strange. It’s Also a Pulsar appeared first on Universe Today.
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The One Place on the Space Station Astronauts Aren’t Supposed to Clean
While most of us are now more fastidious about keeping our homes and workplaces clean, on board the International Space Station, cleanliness is imperative. Of high importance is anti-bacterial measures, since bacteria tends to build up in the constantly-recycled air inside the ISS. Every Saturday in space is “cleaning day” where surfaces are wiped down, …
Continue reading "The One Place on the Space Station Astronauts Aren’t Supposed to Clean"
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Strange Green Star is the Result of a Merger Between two White Dwarfs
Chandrasekhar found there is an upper limit for the mass of a white dwarf, but some white dwarfs can break that limit for a time.
The post Strange Green Star is the Result of a Merger Between two White Dwarfs appeared first on Universe Today.
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Mars has Been Through Many Ice Ages in the Last Billion Years
Like Earth, Mars has experienced periods of extreme glaciation or ice sheet coverage, which are known as ice ages. As these ice ages come and go, glaciers expand and contract along the planet’s surface, grinding huge boulders down to smaller rocks. By examining the size of boulders and rocks at specific locations on Mars, we …
Continue reading "Mars has Been Through Many Ice Ages in the Last Billion Years"
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A Habitat at Ceres Could be the Gateway to the Outer Solar System
A new proposal from the inventor of the E-sail shows how we could create an Earth-like space habitat around Ceres, which could be a gateway to the rest of the Solar System
The post A Habitat at Ceres Could be the Gateway to the Outer Solar System appeared first on Universe Today.
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