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December 20, 2022
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Space.com

Strange arrangement of Milky Way’s groupie galaxies may undermine dark matter

Scientists may have explained the mysterious distribution of small satellite galaxies around our Milky Way that has long puzzled astronomers, but not everyone is in agreement. The Milky Way galaxy is surrounded by smaller dwarf galaxies.

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Space.com

Salute Apollo 17’s 50th anniversary with freshly restored moon mission shots

To learn more about the book on the 50th anniversary of Apollo 17, Space.com recently spoke with “Apollo Remastered” author Andy Saunders to discuss the process behind this massive undertaking. Related: ‘ …

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Space.com

Hole spotted in leaky Russian Soyuz spacecraft

The leaky Russian Soyuz spacecraft docked to the International Space Station (ISS) has a small hole in it, an inspection has found. The Soyuz’s coolant leaked away on Wednesday night (Dec. 14), as two cosmonauts were getting ready to perform a …

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Space.com

Watch 2 NASA astronauts conduct spacewalk early Wednesday

Two NASA astronauts will conduct a spacewalk early Wednesday (Dec. 21) to install new solar arrays on the International Space Station (ISS), and you can watch it live. Josh Cassada and Frank Rubio are scheduled to venture outside the orbiting lab at …

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Space.com

NASA’s InSight lander on Mars goes silent as power runs low

A NASA lander that is fighting for survival on Mars has gone silent. NASA lost contact with its Mars InSight lander (opens in new tab) on Sunday (Dec. 18) after the spacecraft failed to respond to communications from its control team.

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Space.com

This may be the last Mars photo from NASA’s InSight lander before it dies on the Red Planet

By now, it’s a familiar view of Mars: A distant horizon strewn with rocks while, up close, a domed seismometer, a robotic arm and other instruments sit covered in red dust. But this view from a NASA lander just might be its last.

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Spaceflight Now

Russians assess flight worthiness of damaged Soyuz docked at space station

Russian managers are assessing whether a damaged Soyuz spacecraft docked at the International Space Station can safely carry its three-man crew back to Earth in late March as planned or whether a replacement must be launched to take its place, …

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Space.com

Two potentially habitable Earth-like worlds orbit a star in our cosmic backyard

Astronomers have discovered two potentially habitable worlds orbiting a red dwarf star in our cosmic backyard. The extra-solar planets or “exoplanets” are located just 16 light-years away and have masses similar to that of our planet.

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Space.com

Ursid meteor shower shines with ideal dark sky conditions this year

Ursid meteor shower shines with ideal dark sky conditions this year … The moon will be at new moon phase on Dec. 23 when the Ursids reach their peak. So, it won’t provide any hindrance at all for meteor watching.

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EarthSky

Biggest marsquake detected is record-breaker

An international team of researchers provided an update on December 14, 2022, on the many marsquakes that NASA’s InSight lander has recorded. The scientists pointed to the largest marsquake detected so far, a magnitude 4.7 quake some five times larger than …

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