We present a short (and necessarily incomplete) review of the evidence for the accelerated expansion of the Universe. The most direct probe of acceleration relies on the detailed study of supernovae (SN) of type
BEIJING, April 9 (Xinhua) -- Chinese and foreign astronomers have achieved a breakthrough in dark energy research, offering fresh insights into the physical mechanisms behind the accelerated expansion of the universe. The findings, announced by the National Astronomical Observatories of the Chinese Aca...
The expected 100 TB of data per year gathered by the survey is anticipated to improve our understanding of dark energy, the mysterious force driving the accelerated expansion of our Universe. “The individual elements of DESI are complex in their own regard, but more so in the full assembly ...
To explain the accelerated expansion of the universe, models with interacting dark components has been considered in the literature. Generally, the dark energy component is physically interpreted as the vacuum energy. However, at the other side of the same coin, the influence of the vacuum energy...
GR can not account a certain phenomena, such as the accelerated expansion of the universe [1,2], we need to acknowledge that our present comprehension of gravity may remain incomplete. Therefore, the generally thought is that we can attempt to modify the GR, and give an explanation of this...
Recent astronomical observations indicate the existence of the accelerated expansion of the universe [3], which can be explained by the string theory, as well as the concept of dark energy. For example, within the string cloud model that is constituted with the classical relativistic strings [4]...
The low-energy limit of the bosonic string, the simplest string theory, does not reproduce Einstein gravity but gives an ω = −1 Brans–Dicke theory instead (where ω is the Brans–Dicke parameter) [2,3]. More com- pelling motivation comes from the accelerated expansion of the universe:...
craftlifted off from Cape Canaveral Space Force Stationin Florida at 11:12 a.m.EDTon Saturday, July 1, beginning its mission to study why the universe is expanding at an accelerating rate. Astronomers use the term “dark energy” in reference to the unknown cause of thisaccel...
Little is known about the mysterious force called dark matter and dark energy. The information that is known about dark energy, is that it is causing a more accelerated expansion of the universe. This is why dark energy is so fascinating, because it makes up seventy five percent of the univ...
The self-accelerated branch, on the other hand, provides an existence proof for an idea that the accelerated expansion of the Universe could be due to modified gravity. This branch, however, exhibits negative mass states, suggesting that the self-accelerated solution may not be free of ...