قالب وردپرس درنا توس
Home / Tag Archives: universe

Tag Archives: universe

How can a star be older than the universe?

For more than 100 years astronomers have been observing a strange star in the constellation Libra about 190 light-years from Earth. It moves fast at 1.3 million kilometers per hour across the sky. More interestingly, however, HD 140283 – or Methuselah, as is well known – is also one of the universe's oldest known stars. In 2000, scientists attempted to …

Read More »

According to studies, Earth-like exoplanets are common in the Universe

Earth-like exoplanets are fairly common, according to a new UCLA study. Scientists led by Alexandra Doyle, a graduate of the University of California at Los Angeles (UCLA) for Geochemistry and Astrochemistry, came up with the idea A new method for analyzing the geochemistry of planets outside our solar system for the study, this week published in the journal Science. "We …

Read More »

Exotic 'Fuzzy' Dark Matter May Have Created Giant Filaments Across the Early Universe

Dark matter, the mysterious substance making up a quarter of the mass and energy of the universe, might be made extremely small and light particles, new research suggests. This "fuzzy" form of dark matter -called that because of this miniscule particles' wavelengths would have smeared out over a colossally huge area-would have changed the course of cosmic history and created …

Read More »

How the universe stopped making sense

We have a problem with the universe. This may be a small problem: a measurement problem that makes certain stars appear closer or farther away than they are. A problem that astrophysicists could fix in a few moves distances across the room. It could be something big: a mistake – or a series of mistakes – in cosmology or our …

Read More »

Astronomers discover filaments of the cosmic web that held the early universe together

Using a simulation, astronomers illuminate the faint gaseous filaments that make up the cosmic web in a huge cluster of galaxies. The Hubble Space Telescope's wide-field camera observed Saturn in June, when the planet approached Earth the next year, about 1.36 billion kilometers away. An artistic impression of the massive bursts of ionizing radiation exploding from the center of the …

Read More »

New "fuzzy" dark matter simulations disrupt conventional thinking about the construction of the universe

Simulations of the formation of galaxies in cold, warm, and hazy (left to right) dark matter scenarios. Credit: Universities of Princeton, Sussex, Cambridge New research at the University of Sussex has for the first time simulated dark matter in a new way and disturbed conventional thinking about the composition of the universe. The study, published yesterday, October 2, 2019, in …

Read More »

This could have been a "blurry" universe

simulations of the formation of galaxies in scenarios with cold, warm and fuzzy (from left to right) dark matter. Credit: Universities of Princeton, Sussex, Cambridge Dark matter was probably the starting material for the brewing of the very first galaxies in the universe. Shortly after the Big Bang, dark matter particles would have gathered in gravitational "halos", drawing surrounding gas …

Read More »

Tyler Cameron: The real life diet of the undisputed king of the "bachelor" universe

Even for those who delve deeply into the pseudo-celebrity fan-niche culture that fueled the continued popularity of the Bachelor franchise, it's not an easy task for the uninitiated that Tyler-Cameron Explain the phenomenon. After all, Cameron, a 26-year-old entrepreneur with a love for shirtless dancing through the aisles of semi-finished houses, was just one of 30 applicants who appeared in …

Read More »

Huge cosmic structures already existed when the universe was a baby

Astronomers have discovered the oldest galaxy cluster ever seen dating from the early Universe. The discovery, which could explain the shape of the modern cosmos, reveals 12 galaxies that existed in a cluster 13 billion years ago – nearly 700 million years after the Big Bang. We can now see them because they are so far away in the expanding …

Read More »