"If space is truly infinite," notes Dan Hooper, Head of Theory for Astrophysics at the National Accelerator Laboratory Farms, in the fringe of time, “the consequences are astounding. In the vast expanse of space, it would be difficult to see any reason why there would not be an infinite number of galaxies, stars and planets, and even an infinite number of intelligent or conscious beings scattered in this infinite volume. This is the stuff of infinity: it takes away things that are otherwise very unlikely and makes them all inevitable. ”
The nature of infinity is such that with an infinite amount of space, there is an infinite amount of universes ̵
Hubble's Elusive Constant – Something fundamentally wrong
"These worlds contain a star that is almost identical to the sun, orbiting a planet almost identical to Earth, which contains humans on it, which are almost identical to you and me, ”he writes. "If space, as we know, is expanding forever, that conclusion is inevitable. All things and all possible events, no matter how unlikely, will exist and occur within this larger collection of space.
Dark Energy – "New Exotic Matter or ET Force Field?" "
The expansion of space, driven by the unexplained mystery of dark energy, divides it into a number of causally unrelated regions, each of which is its own universe, surrounded by an impenetrable cosmic horizon, the size of which is determined by how quickly space expands.
Although in our modern era of accelerating expansion space is constantly being divided into a larger number of disjointed universes, in the Big Bang there was a point in space history, the acceleration of space expansion was far more dramatic.
Our present discrete universe is increasing every second as the space between galaxies expands, like dough rising into the oven. "The tension between the early and the late Universe may be the most exciting development in cosmology in decades," says Nobel Laureate Adam Riess of the Space Telescope Science Institute (STScI) and Johns Hopkins, on new data for the Hubble Space Telescope a faster rate of expansion in the modern universe than expected, based on how the universe emerged more than 13 billion years ago, reinforcing the case that new theories may be needed to explain the forces of the dark en rgiya that formed space.
"This discrepancy has expanded and now reached a point that really is impossible to dismiss as mania. This discrepancy could not occur by chance," says Ries.
The end result for our cosmic island of infinite space is that in some distant future, thanks to its continual expansion, long as the sun rises, it swallows Earth's clusters from one time-the neighboring galaxies will begin to drift so far apart quickly that even light will not be able to overcome the precipice and darkness will penetrate into space.
Image at the top of the page: is a view of the Big Magellanic Cloud Telescope, a satellite galaxy of our Milky Way. The inserted image, taken by the Hubble Space Telescope, reveals one of the many star clusters scattered throughout the dwarf galaxy. Members of the cluster include a special class of pulsating star called the Cepheid variable, which brightens and darkens at a predictable speed that matches its intrinsic brightness. Once astronomers determine this value, they can measure the light from these stars to calculate the exact distance to the galaxy.
When Hubble's new observations were related to an independent technique for measuring the distance to the Great Magellanic Cloud (using direct trigonometry), the researchers were able to strengthen the basis of the so-called "cosmic distance ladder". This "fine tuning" greatly improved the accuracy of the speed at which the universe expands, called the Hubble constant.
Credits: NASA, ESA, A. Riess (STScI / JHU) and Palomar's Digitized Sky Study
The Daily Galaxy Through NASA Goddard and Dan Hooper Space Flight Center (P.R. 187-188). Princeton University Press. Kindle Edition.