An enormous amount of gravity from a cluster of distant galaxies causes space to curve so much that light from more distant galaxies is bent. This “gravitational lensing” effect has allowed University of Copenhagen astronomers to observe the same exploding star –SN Requiem–in three different places in the heavens, and may help solve the mystery of cosmic expansion and reveal the nature of dark matter and dark energy.
We’re kicking off the week with intriguing stories from our Universe beyond–from exoplanets in the ancient, densely populated bulge of the Milky Way to the mystery of eternal brown dwarfs to the soon approaching, long awaited launch of the iconic Hubble spacecraft’s successor.
Another amazing week in our Universe beyond –from a new type of habitable planet to China’s plan for a spacecraft 30 times the size of the ISS to the new reality of UFOs and the detection of gravitational waves that could be from dark matter particles.
“Eliminating the singularity or Big Bang– which has its origins in the late 1920s when US astronomer Edwin Hubble discovered that almost all galaxies are moving away from each other at ever-faster velocities– brings back the bouncing Universe on to the theoretical stage of cosmology. The absence of a singularity at the start of spacetime opens up the possibility that vestiges of a previous contraction phase may have withstood the phase change (between contraction to expansion) and may still be with us in the ongoing expansion of the Universe,” said Brazilian physicist Juliano Cesar Silva Neves.
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