NASA's Goddard Space Flight Center
21 Sep 2018, 13:38 UTC
In the northern constellation of Coma Berenices (Berenice's Hair) lies the impressive Coma Cluster — a structure of over a thousand galaxies bound together by gravity. Many of these galaxies are elliptical types, as is the brighter of the two galaxies dominating this image: NGC 4860 (center). However, the outskirts of the cluster also host younger spiral galaxies that proudly display their swirling arms. Again, this image shows a wonderful example of such a galaxy in the shape of the beautiful NGC 4858, which can be seen to the left of its bright neighbor and which stands out on account of its unusual, tangled, fiery appearance.
Hubble’s Galaxies With Knots, Bursts
21 Sep 2018, 13:38 UTC
In the northern constellation of Coma Berenices (Berenice's Hair) lies the impressive Coma Cluster — a structure of over a thousand galaxies bound together by gravity. Many of these galaxies are elliptical types, as is the brighter of the two galaxies dominating this image: NGC 4860 (center). However, the outskirts of the cluster also host younger spiral galaxies that proudly display their swirling arms. Again, this image shows a wonderful example of such a galaxy in the shape of the beautiful NGC 4858, which can be seen to the left of its bright neighbor and which stands out on account of its unusual, tangled, fiery appearance.
Europlanet Research Infrastructure
20 Sep 2018, 10:02 UTC
The discovery of a microorganism that gives a candy-pink lagoon in central Spain its startling colour is providing new evidence for how life could survive on a high-salt diet on Mars or Europa.
EPSC 2018: Candy-pink lagoon serves up salt-rich diet for potential life on Mars
20 Sep 2018, 10:02 UTC
The discovery of a microorganism that gives a candy-pink lagoon in central Spain its startling colour is providing new evidence for how life could survive on a high-salt diet on Mars or Europa.
ESA Top News
20 Sep 2018, 09:00 UTC
These prominent trenches were formed by faults that pulled the planet’s surface apart less than 10 million years ago.
Recent tectonics on Mars
20 Sep 2018, 09:00 UTC
These prominent trenches were formed by faults that pulled the planet’s surface apart less than 10 million years ago.
NASA Lunar Science Institute
19 Sep 2018, 19:54 UTC
The moon is often thought of as a lifeless and inactive place. But a new study reminds us that our pale celestial guardian is more dynamic than it seems from afar. Fresh measurements of its flimsy atmosphere back up the idea that our lunar companion is surrounded by an electric shell, and that shell seems to gather power when Earth shields it from the fury of the sun during a full moon.
The Moon Is Electric—Especially When It’s Full
19 Sep 2018, 19:54 UTC
The moon is often thought of as a lifeless and inactive place. But a new study reminds us that our pale celestial guardian is more dynamic than it seems from afar. Fresh measurements of its flimsy atmosphere back up the idea that our lunar companion is surrounded by an electric shell, and that shell seems to gather power when Earth shields it from the fury of the sun during a full moon.
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Centauri Dreams
21 Sep 2018, 17:19 UTC
It’s the first image of the Earth and the Moon together taken from a CubeSat, one of a pair of such tiny spacecraft NASA has despatched to Mars as part of a mission called MarCO (Mars Cube One), which will work in conjunction with the InSight lander.
MarCO: Taking CubeSat Technologies Interplanetary
21 Sep 2018, 17:19 UTC
It’s the first image of the Earth and the Moon together taken from a CubeSat, one of a pair of such tiny spacecraft NASA has despatched to Mars as part of a mission called MarCO (Mars Cube One), which will work in conjunction with the InSight lander.
Starts With a Bang!
21 Sep 2018, 14:01 UTC
It’s been nearly three years since one of the most exciting proposals concerning our own cosmic backyard came out: far out beyond Neptune, there might be another planet — even more massive than Earth — in our Solar System. Unlike the tiny worlds previously discovered in the Kuiper belt, like Pluto and Eris, this would be a world that was Super-Earth sized, at perhaps ten times the Earth’s mass, responsible for kicking bizarrely-orbiting objects into our view. As Konstantin Batygin and Mike Brown proposed, there would be additional pieces of evidence one would expect, and some of them started to come in. But most scientists disagree that this is good evidence at all. Instead, they contend, the data is biased. When you account for that bias, there’s no need for Planet Nine at all.
This Is Why Most Scientists Think Planet Nine Doesn’t Exist
21 Sep 2018, 14:01 UTC
It’s been nearly three years since one of the most exciting proposals concerning our own cosmic backyard came out: far out beyond Neptune, there might be another planet — even more massive than Earth — in our Solar System. Unlike the tiny worlds previously discovered in the Kuiper belt, like Pluto and Eris, this would be a world that was Super-Earth sized, at perhaps ten times the Earth’s mass, responsible for kicking bizarrely-orbiting objects into our view. As Konstantin Batygin and Mike Brown proposed, there would be additional pieces of evidence one would expect, and some of them started to come in. But most scientists disagree that this is good evidence at all. Instead, they contend, the data is biased. When you account for that bias, there’s no need for Planet Nine at all.
The New York Times
21 Sep 2018, 00:29 UTC
On Monday, astronomers who operate NASA’s new planet-hunting satellite TESS released what they call the satellite’s “first light science image.” Taken last August, it covers a swath of the Southern Sky showing stars and constellations and the Large and Small Magellanic Clouds, which are nearby galaxies in their own right, hanging like extragalactic fruit in nearby space.
Trilobites: NASA’s TESS Starts Collecting Planets
21 Sep 2018, 00:29 UTC
On Monday, astronomers who operate NASA’s new planet-hunting satellite TESS released what they call the satellite’s “first light science image.” Taken last August, it covers a swath of the Southern Sky showing stars and constellations and the Large and Small Magellanic Clouds, which are nearby galaxies in their own right, hanging like extragalactic fruit in nearby space.
Geekwire
20 Sep 2018, 23:43 UTC
Stratolaunch Systems, the aerospace company created by Microsoft co-founder Paul Allen, says it’s exploring the development of a series of rocket planes that would serve as a testbed for hypersonic flight.
Paul Allen’s Stratolaunch Systems lays out a roadmap for hypersonic rocket planes
20 Sep 2018, 23:43 UTC
Stratolaunch Systems, the aerospace company created by Microsoft co-founder Paul Allen, says it’s exploring the development of a series of rocket planes that would serve as a testbed for hypersonic flight.
Astro Bob
20 Sep 2018, 22:50 UTC
The International Space Station (ISS) has a cycle. For a week or more, it only makes passes during daylight hours, so it’s invisible. Then it comes back into view in the morning sky at dawn for a couple weeks then transitions into the evening sky. After a few weeks of evening passes, it begins a new cycle with a return to daylight-only passes.
Want To See The Space Station? Now’s A Great Time
20 Sep 2018, 22:50 UTC
The International Space Station (ISS) has a cycle. For a week or more, it only makes passes during daylight hours, so it’s invisible. Then it comes back into view in the morning sky at dawn for a couple weeks then transitions into the evening sky. After a few weeks of evening passes, it begins a new cycle with a return to daylight-only passes.
Centauri Dreams
20 Sep 2018, 16:38 UTC
We’ve only orbited one object in the Solar System known to exhibit cryovolcanism, but Ceres has a lot to teach us about the subject. Unlike the lava-spewing volcanoes of Earth, an ice volcano can erupt with ammonia, water or methane in liquid or vapor form. What appear to be cryovolcanoes can be found not only on Ceres but Titan, and the phenomenon appears likely on Pluto and Charon. Neptune’s moon Triton is a special case, with rugged volcanic terrain in evidence, as opposed to much smoother surfaces without obvious volcanoes elsewhere.
Ceres: Of Ice and Volcanoes
20 Sep 2018, 16:38 UTC
We’ve only orbited one object in the Solar System known to exhibit cryovolcanism, but Ceres has a lot to teach us about the subject. Unlike the lava-spewing volcanoes of Earth, an ice volcano can erupt with ammonia, water or methane in liquid or vapor form. What appear to be cryovolcanoes can be found not only on Ceres but Titan, and the phenomenon appears likely on Pluto and Charon. Neptune’s moon Triton is a special case, with rugged volcanic terrain in evidence, as opposed to much smoother surfaces without obvious volcanoes elsewhere.
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