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Tracking Twilight: ?Purple Sunset Effect? Seen Worldwide

   01 Oct 00:00:16  |  Universe Today

Has twilight looked at little? mauve to you as of late? The effect is subtle, but noticeable on a clear evening. Sunsets are always colorful events, as the Sun?s rays shine through a thicker layer of the atmosphere at an oblique angle, scattering out at longer, redder wavelengths.
The post Tracking Twilight: ‘Purple Sunset Effect’ Seen Worldwide appeared first on Universe Today.

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Confirmed. Fossils That Formed 3.5 billion Years Ago, Really are Fossils. The Oldest Evidence of Life Found So Far

   01 Oct 00:00:16  |  Universe Today

The title of Earth’s Earliest Life has been returned to the fossils in the Pilbara region of Australia. The Pilbara fossils had held that title since the 1980s, until researchers studying ancient rocks in Greenland found evidence of ancient life there. But subsequent research questioned the biological nature of the Greenland evidence, which put the …
Continue reading "Confirmed. Fossils That Formed 3.5 billion Years Ago, Really are Fossils. The Oldest Evidence of Life Found So Far"
The post Confirmed. Fossils That Formed 3.5 billion Years Ago, Really are Fossils. The Oldest Evidence of Life Found So Far appeared first on Universe Today.

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Musk Presents the Orbital Starship Prototype. Flights will Begin in Six Months

   30 Sep 00:00:15  |  Universe Today

Coinciding with SpaceX's 17th anniversary, Elon Musk provided the latest updates on the design of the Starship and Super Heavy launch system.
The post Musk Presents the Orbital Starship Prototype. Flights will Begin in Six Months appeared first on Universe Today.

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New Technique for Estimating the Mass of a Black Hole

   29 Sep 00:00:08  |  Universe Today

A Russian-led team of astronomers has developed a method for estimating the mass of a supermassive black hole by looking at its powerful jets.
The post New Technique for Estimating the Mass of a Black Hole appeared first on Universe Today.

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Weekly Space Hangout: September 25, 2019 ? Seth Lockman & Aaron Lockman: The Astronomy Brothers

   29 Sep 00:00:08  |  Universe Today

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Astronomers Have Found a Place With Three Supermassive Black Holes Orbiting Around Each Other

   28 Sep 00:00:05  |  Universe Today

Astronomers have spotted three supermassive black holes (SMBHs) at the center of three colliding galaxies a billion light years away from Earth. That alone is unusual, but the three black holes are also glowing in x-ray emissions. This is evidence that all three are also active galactic nuclei (AGN,) gobbling up material and flaring brightly. …
Continue reading "Astronomers Have Found a Place With Three Supermassive Black Holes Orbiting Around Each Other"
The post Astronomers Have Found a Place With Three Supermassive Black Holes Orbiting Around Each Other appeared first on Universe Today.

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Mice That Spend a Month in Space Were Able to Reproduce Once They Got Back to Earth

   28 Sep 00:00:05  |  Universe Today

A team of Japanese researchers have used sperm from mice that spent time aboard the International Space Station (ISS) to fertilize female mice back on Earth. While previous research has shown that freeze-dried mouse sperm stored in space can experience radiation damage, these results show that the sperm from live mice may not suffer the …
Continue reading "Mice That Spend a Month in Space Were Able to Reproduce Once They Got Back to Earth"
The post Mice That Spend a Month in Space Were Able to Reproduce Once They Got Back to Earth appeared first on Universe Today.

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WFIRST Gets its Coronagraph, to Block the Light of Stars and Reveal Their Planets

   27 Sep 00:00:09  |  Universe Today

The coronagraph instrument, which will help NASA's WFIRST mission to search for exoplanets, just passed a major milestone!
The post WFIRST Gets its Coronagraph, to Block the Light of Stars and Reveal Their Planets appeared first on Universe Today.

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Shape-shifting Robots Like These Could Be Just What We Need to Explore Titan

   27 Sep 00:00:09  |  Universe Today

When it comes to space exploration, it’s robots that do most of the work. That trend will continue as we send missions onto the surfaces of worlds further and further into the Solar System. But for robots to be effective in the challenging environments we need to explore?like Saturn’s moon Titan?we need more capable robots. …
Continue reading "Shape-shifting Robots Like These Could Be Just What We Need to Explore Titan"
The post Shape-shifting Robots Like These Could Be Just What We Need to Explore Titan appeared first on Universe Today.

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This Summer?s Asteroid Near-Miss Helped Greenlight NASA?s NEOCam Mission to Search the Skies for Killer Spacerocks

   26 Sep 00:00:36  |  Universe Today

Last July, a once-in-a-lifetime event happened. Not the good kind; the football-field-sized-asteroid near-miss kind. And that near miss is the catalyst for a renewed effort from NASA to detect more dangerous space-rocks that might threaten Earth. Last summer’s near-miss asteroid was named 2019 OK, and it passed within about 77,000 km (48,000 miles) of Earth. …
Continue reading "This Summer’s Asteroid Near-Miss Helped Greenlight NASA’s NEOCam Mission to Search the Skies for Killer Spacerocks"
The post This Summer’s Asteroid Near-Miss Helped Greenlight NASA’s NEOCam Mission to Search the Skies for Killer Spacerocks appeared first on Universe Today.

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