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Spaceresearch

All articles tagged with #spaceresearch

science1 year ago•3 min saved

Scientists Reveal Moon's Inner Secrets

Scientists have confirmed that the Moon's inner core is a solid ball with a density similar to iron, resolving a long-standing debate about its composition. This discovery, based on data from space missions and lunar laser-ranging experiments, supports the idea of a global mantle overturn and provides insights into the Moon's magnetic field history. The findings align with earlier research and suggest the Moon's core is similar to Earth's, with implications for understanding its evolution and magnetic field decline.

via ScienceAlert|

#astronomy #lunarcore #moon

science-and-astronomy2 years ago•3 min saved

"NASA to Unveil New Discoveries at Upcoming 'Super Bowl of Astronomy' Event"

The 243rd meeting of the American Astronomical Society, dubbed the "Super Bowl of Astronomy," is set to take place from January 7 to 11 in New Orleans, featuring thousands of scientists discussing a wide range of topics from dark matter to habitable exoplanets. NASA will provide updates on major missions like the James Webb Space Telescope and the upcoming Habitable Worlds Observatory, as well as the 2024 total solar eclipse. The event will include presentations on new discoveries and ongoing research, with all NASA press conferences streamed on the AAS's Press Office YouTube channel. The meeting promises to showcase the latest astronomical research and technological advancements in the field.

via Space.com|

##americanastronomicalsociety #astronomy

science-and-technology2 years ago•2 min saved

"Authentic Hues of Uranus and Neptune Unveiled by Astronomers"

UK astronomers have corrected a long-standing misconception about the colors of Neptune and Uranus, revealing that both planets are actually similar shades of greenish-blue, not the rich blue and green previously depicted in images from the 1980s Voyager mission. The earlier images had been color-enhanced to show atmospheric details, leading to the inaccurate representation. The new study, using data from the Hubble Space Telescope and the Very Large Telescope, provides the most accurate color representation of the two ice giants to date, noting that Neptune has a slightly bluer hue due to a thinner haze layer, and Uranus shows seasonal color variations. The findings are published in the Monthly Notices of the Royal Astronomical Society.

via BBC.com|

##astronomy #neptune

science-and-astronomy2 years ago•3 min saved

"Hidden Companion: Second Galaxy Discovered Behind Milky Way Neighbor"

Astronomers have discovered that the Small Magellanic Cloud, a satellite galaxy of the Milky Way, is actually composed of two galaxies, one behind the other. Using the Australian Square Kilometre Array Pathfinder and ESA's Gaia spacecraft, researchers observed distinct movements and compositions in gas clouds and young stars, suggesting the presence of two separate stellar nurseries. This finding challenges previous perceptions of the Small Magellanic Cloud's structure and may lead to a reevaluation of its name and classification. The research, led by Claire Murray, awaits publication in The Astrophysical Journal.

via Space.com|

##astronomy #galaxies

science-and-astronomy2 years ago•3 min saved

"Hidden Companion: Second Galaxy Discovered Behind Milky Way Neighbor"

Astronomers have discovered that the Small Magellanic Cloud, a satellite galaxy of the Milky Way, is actually two galaxies, one behind the other. Claire Murray's team used the Australian Square Kilometre Array Pathfinder and ESA's Gaia spacecraft to observe the movement of gas and young stars, revealing two distinct star-forming regions with different metal abundances and distances from Earth. This finding challenges previous notions of the Small Magellanic Cloud's structure and may lead to a renaming of the galaxy, as it could be two separate celestial objects. The research awaits publication in The Astrophysical Journal.

via Yahoo! Voices|

##astronomy #galaxies

science-and-astronomy2 years ago•3 min saved

"Hidden Companion: Second Galaxy Discovered Behind Milky Way Neighbor"

Astronomers have discovered that the Small Magellanic Cloud, a dwarf galaxy near the Milky Way, is actually two galaxies, one behind the other. Claire Murray's team used the Australian Square Kilometre Array Pathfinder and ESA's Gaia spacecraft to observe the movement of gas and young stars, revealing two distinct star-forming regions with different metal abundances and distances from Earth. This finding challenges previous perceptions of the Small Magellanic Cloud and suggests it may need to be reclassified if the two objects are indeed separate galaxies. The research is set to be published in The Astrophysical Journal and is currently available on arXiv.

via Yahoo News|

##astronomy #galaxies

science-and-astronomy2 years ago•3 min saved

"Hidden Companion: The Dual Galaxy Mystery of the Small Magellanic Cloud"

Astronomers have discovered that the Small Magellanic Cloud, a dwarf galaxy near the Milky Way, may actually be two galaxies, one obscured behind the other. Using the Australian Square Kilometre Array Pathfinder and ESA's Gaia spacecraft, researchers observed distinct movements and compositions in two separate regions of star formation, suggesting the presence of two celestial objects with similar masses. This finding challenges the previous understanding of the Small Magellanic Cloud's structure and may lead to a reevaluation of its classification and name.

via Livescience.com|

##astronomy #galaxies

science2 years ago•1 min saved

"Earth's Gravity: The Unseen Shield Disintegrating Near-Miss Asteroids"

Researchers Mikael Granvik and Kevin Walsh have discovered that Earth's gravity not only protects us from asteroid collisions but also actively dismantles passing asteroids into smaller fragments. This decade-long study offers a new perspective on why catastrophic asteroid impacts are rare, highlighting Earth's gravitational field as a crucial defense mechanism against potential cosmic threats.

via Interesting Engineering|

##asteroids #astronomy