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Updated: 2 hours 58 min ago

Rare "equal mass" binary asteroid discovered near Earth

Fri, 07/13/2018 - 04:00
The exceptional duo is one of only four ever detected.
Categories: Astronomy

Cassini reveals the sounds of Saturn

Fri, 07/13/2018 - 04:00
The ringed planet and its moon Enceladus have a lot to say to each other.
Categories: Astronomy

The sky this week for July 13 to 22

Fri, 07/13/2018 - 04:00
A meteor shower, a passing comet, and a slew of planets all make appearances in the sky this week.
Categories: Astronomy

In a Rare Feat, Scientists Anticipate and Recover an Incoming Asteroid

Fri, 07/13/2018 - 04:00
We have swarms of scientists searching the skies for space oddities, but it’s rare that they actually find one in the act of plunging to Earth. On June 23, a group of international geoscientists discovered a meteorite in Botswana that had been dwelling in space just weeks earlier. The fresh fragment broke off of asteroid 2018 LA as it plummeted to Earth on June 2, turning into a fiery meteor and exploding as it entered our atmosphere. Treasure Hunt The geoscientists spent five days combi
Categories: Astronomy

A cosmic particle spewed from a distant galaxy strikes Earth

Thu, 07/12/2018 - 04:00
The rare detection of a high-energy neutrino hints at how these strange particles are created.
Categories: Astronomy

Blazars explained

Thu, 07/12/2018 - 04:00
What is it like to stare down the barrel of a black hole?
Categories: Astronomy

New data reveals details of Ross 128 b — the second closest temperate planet

Thu, 07/12/2018 - 04:00

To shed light on its composition and structure, researchers dissect the chemical makeup of its host star.

Categories: Astronomy

The fate of giant planets depends on where they grow up

Wed, 07/11/2018 - 04:00
The more crowded and chaotic their initial environment, the more likely they are to move out.
Categories: Astronomy

The Seven Best Travel Spots In Our Solar System – And How To Die There

Tue, 07/10/2018 - 04:00
In the why-aren’t-you-watching-this television show The Expanse, humanity has spread out into the solar system. Mars and Earth stand as bitter rivals, with Ceres settlers somewhere in between. A few companies even have settlers in the outer regions of the solar system. You wouldn’t necessarily want to live in the world of The Expanse, as fantastic as it is. Yet the show still plays to the dreams of those of us who long to wander the final frontier. However, the reality of what await
Categories: Astronomy

Using Sunlight To Make Spaceship Fuel And Breathable Air

Tue, 07/10/2018 - 04:00
Spaceflight is like backpacking. If you can’t restock supplies like food and water along the way, how far you can travel is limited by how much you can carry. And in space, you also have to worry about having enough fuel for your spacecraft and breathable air for your crew. That’s why some researchers are looking toward technology that they call artificial photosynthesis — a way of harnessing the sun’s light to generate fuel and breathable air for longer missions. This s
Categories: Astronomy

Astronomers Discover the Brightest Early Galaxy Ever

Mon, 07/09/2018 - 04:00
At 13 billion years old, the galaxy comes from a key cosmological era.
Categories: Astronomy

The sky this week for July 6 to 15

Fri, 07/06/2018 - 04:00
The Southern Delta Aquariid meteor shower ramps up, Mars remains a stunning sight, and Pluto makes its best appearance of 2018, all in the sky this week.
Categories: Astronomy

Making scents of outer space

Fri, 07/06/2018 - 04:00
Nina Lanza expected Antarctica to be cold. After all, she and her seven fellow meteorite hunters weren’t allowed to board their transport in New Zealand until they’d proved they’d packed all the necessary gear. And she’d been warned about the endless daylight at their location smack dab in between McMurdo Station and the South Pole. But, as she says, “People try to tell you what it’s like, but it’s hard to describe because it’s so different from yo
Categories: Astronomy

Einstein Right Again: Even the Heaviest Objects Fall the Same Way

Thu, 07/05/2018 - 04:00
Albert Einstein’s been having quite a few weeks! First his “imaginary elevator” thought experiment was confirmed with unprecedented precision, then his theory of relativity was shown to create gravitational lenses as expected even in other galaxies. And today, we learn that a central tenet of relativity still holds even at gravitational extremes. It’s no annus mirabilis, but it ain’t bad. Today’s news, which appears in the journal Nature, concerns the equival
Categories: Astronomy

SnapShot: Astronomers witness the birth of an alien world

Tue, 07/03/2018 - 04:00
For decades, astronomers have thought that planets form out of the rotating disks of debris that encircle most newly formed stars. Within these so-called protoplanetary disks — which can be up to 1000 astronomical units wide (1 AU is the average Earth-Sun distance of 93 million miles) — particles of gas and dust clump together over time, slowly but surely forming larger bodies that may eventually reach planetary status. However, despite years of searching, astronomers have so-far fa
Categories: Astronomy

NASA Spacecraft Gets Breathtakingly Close to Dwarf Planet

Tue, 07/03/2018 - 04:00
NASA’s Dawn spacecraft has entered its nearest orbit ever to the dwarf planet Ceres, an icy body in the asteroid belt left over from the formation of the solar system. And Dawn is already turning up stunning results. The latest images sent back by the spacecraft were captured just 22 miles above a site called Occator Crater. Before June, Dawn was orbiting hundreds of miles over the surface. This bright region first stood out to astronomers when Dawn arrived at Ceres in 2015. While much of
Categories: Astronomy

Forty years and still going strong

Mon, 07/02/2018 - 04:00
The functioning instruments aboard the Voyager spacecraft
Categories: Astronomy

Speeding interstellar object ‘Oumuamua is a comet, not an asteroid

Fri, 06/29/2018 - 04:00
New observations of the first interstellar object ever found in the solar system show ‘Oumuamua is traveling so fast that it is most likely a boosted comet.
Categories: Astronomy

The sky this week for June 29 to July 8

Fri, 06/29/2018 - 04:00
Mercury and Venus and Mars, Oh My! Planets abound in the sky this week.
Categories: Astronomy

Mars' 2018 dust storm intensifies

Thu, 06/28/2018 - 04:00
As Mars approaches opposition, a planet-encircling dust storm has taken center stage.
Categories: Astronomy

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