Destroyers of the Heavens… (Musk vs. Astronomy)
Some of you might have heard that the skies will never be the same again…If not, I would suggest you follow up the Space X micro-satellites story more closely. Elon Musks’s company has decided to launch a constellation of 42,000 micro-satellites in the skies, so as to provide Internet services to everyone on the planet. […]
Life. Multiverses. Humans.
The Multiverse theory, introduced in the 1980s, can explain the “luckily small” amount of dark energy in our Universe that enabled it to host life, among many universes that could not. Using huge computer simulations of the cosmos, research has found that adding dark energy, up to a few hundred times the amount observed in […]
Quantum space. Ghostly differences. A calm lake.
The foundation stone of quantum mechanics doesn’t just describe the behavior of infinitesimal subatomic particles – it also governs the movement of the largest and most massive objects in the Universe, says a prominent astrophysicist. Planetary scientist Konstantin Batygin was exploring the concept of astrophysical disks – sometimes called accretion disks; massive self-gravitating swirls of […]
MAGNIFY! (Do you trust your eyes?) [against senses… again]
Extremely distant galaxies are usually too faint to be seen, even by the largest telescopes. But nature has a solution: gravitational lensing, predicted by Albert Einstein and observed many times by astronomers. However recently, an international team of astronomers, led by Harald Ebeling of the Institute for Astronomy at the University of Hawaii at Manoa, […]
Neutron stars colliding. Theories destroyed.
When during 2017 scientists recorded a rippling in space-time, followed within two seconds by an associated burst of light observed by dozens of telescopes around the globe, they had witnessed, for the first time, the explosive collision and merger of two neutron stars. The neutron star merger created gravitational waves – a squiggly distortion in […]
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