All the gold on Earth was forged in the collisions of massively dense stars billions of years ago. Astronomers have come to this conclusion after observing and analyzing the afterglow of a crash between two neutron stars in a galaxy 3.9 billion light-years away that yielded a hoard of gold likely equal to the mass of 20 Earths. “At today’s […]
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On the 35th anniversary of its launch, the Voyager 1 spacecraft is close to becoming the first man-made object to escape our solar system. The spacecraft—run by a 1977 computer 100,000 times less powerful than an iPod Nano—is currently 11.3 billion miles away. In 2004, Voyager 1 entered the turbulent boundary zone beyond Pluto, where solar winds encounter plasma pushing […]
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An international team of astronomers has detected a colossal black hole that is 12 billion times more massive than the sun—so big that it is challenging accepted cosmological thinking. Scientists discovered the enormous celestial body, which is 12.8 billion light-years from Earth, at the center of a brilliantly glowing quasar, a cloud of gas that gets superheated and gives off […]
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Scientists typically believe that dark matter behaves in a simple way: if one clump encounters another, the two interact solely through gravity. However, researchers have published findings which suggest that there’s more involved. They’ve noticed dark matter (the blue lines in the photo above) lagging behind a galaxy due to friction, hinting that there are factors beyond gravity at work. […]
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Stephen Hawking: ‘There are no black holes‘ – Renowned physicist Stephen Hawking has declared that black holes do not exist – at least not in the way we normally think about them. In a new paper, he tackles a scientific paradox regarding a black hole’s event horizon. This is the threshold past which nothing can escape it’s gravitational pull. Under […]
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Astronomers have found the strongest evidence yet that ancient Mars had a massive ocean for millions of years— an indication that the Red Planet once had everything necessary to support life. Shortly after Mars formed 4.5 billion years ago, NASA scientists say, the planet was wet, with enough water to cover the entire planet to a depth of about 450 […]
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THE UNIVERSE IS A LOT OF THINGS, BUT EASY TO understand isn’t one of them. Take the fact that more than 80% of its mass is missing. Galaxies spin so fast, they would fly apart if the gravity of some unseen mass weren’t keeping them intact, sur rounding them like a glass paperweight encasing a butterfly. Cosmologists have been trying […]
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NASA scientists have discovered evidence that a large freshwater lake existed on Mars billion of years ago, further strengthening the case that Earth’s neighbor once harbored life.The lake was part of a network of waterways that could have lasted thousands or even millions of years—possibly long enough for simple organisms to take hold there.Those conclusions come from an analysis of […]
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In the sci-fi movie Armageddon, astronauts intercept a killer asteroid heading for Earth, saving mankind. NASA is taking the first step to develop the technology to do just that, by planning a mission to slightly alter an asteroid’s orbit. The mission will also serve as an initial test of a solar-electric propulsion system and other technologies essential for a manned […]
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Out past Pluto NASA has spotted an icy formation that is about 4 billion miles past Earth. This formation has been named Ultima Thule and looks like a snowman. The spacecraft New Horizons while on autopilot is sending back black and white photos to Mission Control in Maryland. This is very exciting since this is the first time a spacecraft […]
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