Topic: Milky Way Galaxy
Top galleries, list articles, quizzes
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In Pictures: Space photos of the day: Looking deeper
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In Pictures: Space photos of the day: Dwarfs
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In Pictures: Space Photos of the Day: Remarkable Hubble photos
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In Pictures: Space photos of the day: Spitzer Space Telescope
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In Pictures: Space photos of the day: Mergers and acquisitions
All Content
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Look to the stars
A Christian Science perspective.
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Gigantic orphan planet: Homeless world hurtles through space without star (+video)
The free-floating object, called CFBDSIR2149, is likely a gas giant planet four to seven times more massive than Jupiter.
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Newfound 'super-Earth' could be habitable for life
HD 40307g is one of three newly discovered worlds around the parent star, which was already known to host three planets. The finds thus boost the star's total planetary population to six.
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Earth-sized planet too hot for non-asbestos life forms, but ...
Earth-sized planet: With a mass about 1.1 times that of Earth, it is strikingly similar in size. Could the Alpha Centauri B system hold more Earth-sized, but habitable planets?
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Bizarre alien super-Earth planet probably made of diamond
The alien planet, a so-called 'super-Earth,' is called 55 Cancri e and was discovered in 2004 around a nearby star in our Milky Way galaxy.
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Star hurtling through space near humongous black hole could prove Einstein's theory
The discovery offers scientists a unique chance within the decade to test Einstein's theory of relativity in an extreme environment.
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Scientists surprised to find pair of black holes keeping each other company
Black holes are the densest objects in the universe, with the largest ones, found at the centers of galaxies, containing millions to billions times more mass than the sun.
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Humongous, gassy halo found surrounding Milky Way
The findings were reported today by a research team using data from NASA’s Chandra X-ray Observatory.
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Gravity's Engines
With 'Gravity's Engines,' Caleb Scharf establishes himself as one of the finest space storytellers.
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Astronomers spot humongous 'supermom' galaxy fervently spawning stars (+video)
Astronomers have detected a luminous galaxy some 5.7 billion light years away that produces about 740 new stars each year.
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The unprecedented Phoenix Galaxy Cluster: How many stars does it form? (+video)
Here's a by-the-numbers look at the Phoenix cluster, which researchers say could yield key insights into how galaxies and colossal clusters evolve:
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Mysterious black hole type perplexes, bewilders
Billions of times the mass of our own sun, so-called massive black holes present a baffling mystery with clues hidden at the very dawn of existence.
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Brightest and hottest stars have close, turbulent relationships, study suggets
The brightest and hottest stars in our galaxy tend to have short, violent lives, often drawing gas from each other and frequently merging to form a single star, a new study indicates.
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Astronomers discover oldest spiral galaxy in the universe (+video)
The discovery with Hubble Space Telescope of a spiral galaxy, long before other galaxies are known to have formed, surprised scientists
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Multi-telescope view two million times sharper than human eye reveals black hole
Scientists spaced thousands of miles apart discovered a super massive black hole inside a quasar some five billion light-years from Earth
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Hubble telescope reveals mysterious 'ghost galaxies' of ancient universe
Formed some 13 billion years ago, three bizarre galaxies captured by the Hubble telescope are thought to be 'fossils' of the early universe
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Florida scientists reduced to holding bake sale to fund NASA
In an effort to rescue planetary science projects amid budget cuts, scientists in Florida are holding bake sales and car washes to sway legislators to protect NASA's budget.
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Lyrid meteor shower lights up sky around world (+video)
Clear skies and the absence of a bright moon this past weekend made for a spectacular Lyrid meteor shower, which dazzles skywatchers around the globe.
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Planets found at dawn of universe, but their existence is a mystery
Scientists have found two planets orbiting a star that formed only a billion years after the big bang. But the universe had few planet-making elements then, so how did the planets form?
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Astronomers say that there are billions of potentially habitable planets in our galaxy (+video)
A team of European astronomers say that about 40 percent of red dwarf stars - the most common type of star in the Milky Way - have at least one planet whose temperatures would allow liquid water on the surface.
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Study indicates existence of billions of habitable alien planets in Milky Way (+video)
A survey of red dwarf stars suggests that, in our galaxy alone, there are tens of billions of planets orbiting their stars' 'habitable zones.'
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Planets hurtling near the speed of light? It's possible, study says.
Scientists want to know if planets can form near the supermassive black hole at the core of the galaxy. If so, the black hole could fling them out into space at enormous speeds that, from our vantage point, could appear to approach the speed of light.
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Could free-floating 'nomad' planets carry seeds of life in the universe?
A 'nomad' planet of the right mass, with the right atmosphere, and some source of heat – perhaps radioactive decay or tectonic activity – could allow for life either on the surface or underground.
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Black hole produces 'cosmic Category 5 hurricane'
A stellar-mass black hole, which is born when an extremely massive star collapses, typically contains about five to 10 times the mass of our sun.
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Scientists unravel mystery of humongous space explosion (+video)
Great Eruption of Eta Carinae, a massive star some 7,500 light-years away that suddenly lit up the night sky for a decade beginning in 1838 is one of the most studied objects in the Milky Way. But it continues to puzzle astronomers.
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