Ali Lezeik

Tag: science

  • Birthdays & Relativity

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    Hasn’t it made you wonder once why we even celebrate birthdays ? I’m not trying to be a pessimistic party pooper here, but seriously, it all started somewhere when we created calendars and started noting down “Birth” days, a day when we were born. But for the thousands of years before that, calendars never even…

  • The M87 blackhole and why it is not a discovery.

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    A Human Collaboration Collaborating from all over the world, several telescopes working altogether, from the United States and Germany to China and Japan, this is indeed a human collaboration, a scientific community coming together, driven by their curiosity and knowledge to uncover the true form of a black hole, and a true form they obtained,…

  • Dark Matter vs Mond, a tug of war.

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    Title: Absence of a fundamental acceleration scale in galaxies Authors: Davi C. Rodrigues, Valerio Marra, Antonino del Popolo, and Zahra Davari First Author’s institution: Federal University of Espírito Santo Status: Published in Nature; closed access A very brief history of Gravity When Vera Rubin made her discovery on galaxy rotations back in the 70’s, she knew she was onto something that…

  • LIGO’s Real Challenge.

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    arXiv Title: The Sensitivity of the Advanced LIGO Detectors at the Beginning of Gravitational Wave Astronomy. Whether you’ve heard about the binary neutron star merger that was discovered last year or not, a new era of astronomy has opened, the multi-messenger astronomy, after scientists at LIGO and VIRGO have been able to detect both gravitational…