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Updated: 2 hours 4 min ago

Bezos unveils bold plans for human spaceflight and 'Blue Moon' lunar lander

Thu, 05/09/2019 - 04:00
On Thursday, Blue Origin founder and Amazon owner Jeff Bezos unveiled the Blue Moon lander, a spacecraft that can deliver up to 6.5 tons of cargo – and possibly crew – to the lunar surface. The announcement was made at a news conference in Washington, D.C. Along with Blue Moon, he revealed his new BE-7 rocket for the lander, which he says has been in development for three years. If all goes according to plan, the company will test fire the rocket for the first time this summer. Toget
Categories: Astronomy

The universe's first supernovae spewed jets of material into nearby galaxies

Thu, 05/09/2019 - 04:00
A strange star without much iron, yet tons of zinc, indicates some of the very first supernovae might have exploded asymmetrically.
Categories: Astronomy

Antimatter acts like regular matter in classic double-slit experiment

Wed, 05/08/2019 - 04:00
For the first time, researchers have shown that antimatter interferes as a quantum wave in the same way regular matter does.
Categories: Astronomy

Could quantum mechanics explain the existence of space-time?

Tue, 05/07/2019 - 04:00
Rod Serling knew all about dimensions. His Twilight Zone was a dimension of imagination, a dimension of sight and sound and mind, a dimension as vast as space and timeless as infinity. It was all very clear except for the space and time part, the dimensions of real life. Serling never explained them. Of course, ever since Einstein, scientists have also been scratching their heads about how to make sense of space and time. Before then, almost everybody thought Isaac Newton had figured it all out.
Categories: Astronomy

NASA’s DART mission will try to deflect a near-Earth asteroid

Tue, 05/07/2019 - 04:00
Astronomers are preparing a response for future asteroids on a collision course with Earth.
Categories: Astronomy

Merging neutron stars gave solar system heavy elements

Mon, 05/06/2019 - 04:00
Before the planets in our solar system formed or the Sun turned on and started shining, two other stars had to die. Their deaths and later collision would seed the area where our area with many of the heavy materials needed for life on Earth. Now, 4.6 billion years later, astronomers are piecing together the story of these long-dead stars. To do this, researchers studied different ways to make the heavy elements in question – exploding stars or violent collisions between stars – al
Categories: Astronomy

Astronomers stitch Hubble’s hits into ‘Legacy Deep Field’ image

Mon, 05/06/2019 - 04:00
Scientists combined more than 7,500 exposures to create the deepest, widest view yet of the early universe.
Categories: Astronomy

Venus reimagined: A new image of an active world

Fri, 05/03/2019 - 04:00
A new analysis of venusian lava flows shows they may have formed less than 250,000 years ago, suggesting a significant fraction of Venus' roughly 1,600 volcanoes are still active.
Categories: Astronomy

The Sky This Week from May 3 to 12

Fri, 05/03/2019 - 04:00
The Eta Aquariid meteor shower peaks under a Moon-free sky this week, while Mars appears as a third horn for Taurus the Bull.
Categories: Astronomy

Gaia spacecraft maps 14,000 asteroids

Thu, 05/02/2019 - 04:00
The European Space Agency’s Gaia spacecraft is on a mission to map a billion stars. But as it stares out into space, it also spies a lot of closer objects. The newly released image above shows the orbits of 14,000 asteroids that it mapped during its first two years of observing. Most of those objects were known about from previous surveys. But three objects are new, those ones are picked out in gray in Gaia’s image. The few dozen yellow tracks show asteroids that are considered near-
Categories: Astronomy

Asteroids delivered half of Earth's water, new sample suggests

Wed, 05/01/2019 - 04:00
New analysis of grains from asteroid Itokawa, returned by Hayabusa in 2010, suggest our planet may have gotten a significant portion of its liquid from such bodies.
Categories: Astronomy

Surprise 4,000-mile ‘ice corridor’ found on Saturn’s moon Titan

Tue, 04/30/2019 - 04:00
Planetary scientists used a new analysis tool to spot a band of water ice stretching almost halfway around the circumference of the chilly world.
Categories: Astronomy

Sirius says goodbye to the evening sky

Tue, 04/30/2019 - 04:00

The night sky's brightest star dips into twilight. 

Categories: Astronomy

Comet Halley begins showering Earth with Eta Aquariid meteors

Mon, 04/29/2019 - 04:00

Although the comet itself is still far from Earth, eons's worth of its ejected debris will lead to one of this year's best meteor showers.

Categories: Astronomy

Astronomers watch as a black hole's jet wobbles like a top

Mon, 04/29/2019 - 04:00
Thanks to a misalignment between the black hole's spin and its swirling disk of material, the black hole's jets trace out a cone shape in space.
Categories: Astronomy

Scientists use LHC to hunt dark matter siblings

Mon, 04/29/2019 - 04:00
Dark matter is elusive. That has some scientists searching for its sister dark particles, which may belong to a much larger theoretical "dark world."
Categories: Astronomy

Magma ocean might have covered Earth before Moon-forming impact

Mon, 04/29/2019 - 04:00
Scientists think a molten Earth could explain why the Moon doesn't appear to contain the chemical fingerprints of a theorized Moon-forming impactor named Theia.
Categories: Astronomy

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