العلوم والبيئة
A distant supercluster of galaxies points to self-interacting dark matter
المصدر: Phys.org - latest science and technology news stories · نُشر
Seven billion light-years from Earth, there is an unexpected cluster of galaxies. It has two regions in the process of colliding with each other with a combined mass of more than two quadrillion solar masses. Given its mass, the distant cluster has been nicknamed El Gordo, the Fa
Seven billion light-years from Earth, there is an unexpected cluster of galaxies. It has two regions in the process of colliding with each other with a combined mass of more than two quadrillion solar masses. Given its mass, the distant cluster has been nicknamed El Gordo, the Fat One.
What makes it unusual is that it's extraordinarily large for that period of the universe. How did such a large supercluster form so early?
أخبار ذات صلة
Scientists uncover the 2.3-billion-year-old secret that helped keep Earth habitable
Scientists may have solved a 2.3-billion-year-old mystery about how Earth maintained enough oxygen to support life. Ancient rocks reveal that phosphorus recycling in the oceans created a self-sustaining cycle that helped keep oxygen levels high, even as the planet underwent drama
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Seven crew missing after drone attack leaves tanker ablaze off Romania's coast
A search and rescue operation is under way in the Black Sea after the latest attack in the area.
feeds.bbci.co.uk ·
Number names: Seven-Seven scores in 77th minute for West Brom
Justin Seven-Seven managed to score in the 77th minute vs. Sutton United, but this statistical goal-scoring quirk has happened before.
espn.com ·
'Excess oxygen' stored in deep Earth magma may help explain how Earth's atmosphere became oxygen-rich
A research team has found that molten rock can carry more oxygen than its chemical composition would seem to allow. Their study is published in National Science Review.
Phys.org - latest science and technology news stories ·
Europe's new Sentinel-3C satellite just sent back spectacular images of Earth
Europe's Sentinel-3C satellite has returned breathtaking images of Earth just two weeks after launch, revealing the snowy Alps, frozen Arctic islands, and brilliant turquoise Caribbean waters. Its first measurements also show promising results for tracking rising seas, melting ic
All Top News -- ScienceDaily ·