A study, led by researchers at the Instituto de Astrofísica de Canarias (IAC) and carried out with OSIRIS, an instrument on the Gran Telescopio Canarias (GTC, or Grantecan), has found the most densely populated cluster of galaxies in the primitive universe. The researchers predict that this structure, which is at a distance of 12.5 billion light-years ...
Ever wondered what the universe is made up of? First, you need to understand that the substance of the known universe is classified as matter. And the known universe itself only represents 5 percent of the entire universe. The remaining 95 percent is made of things we haven’t fully understood yet — dark matter and ...
The universe is getting hotter, a new study has found. The study, published in the Astrophysical Journal, probed the thermal history of the universe over the last 10 billion years. It found that the mean temperature of gas across the universe has increased more than 10 times over that time period and reached about 2 million degrees ...
Our universe is not made of stars and planets that are neatly ordered into infinity. There are numerous anomalies, strange systems, and wonderful sights all within the observable part of the universe. What’s happening over on the other side is anyone’s guess. We’ve been taught about the planets in our solar system and we’re quite ...
A lot of our notions about space are based on the concept of gravity, or more accurately our current understanding of it. Our understanding of gravity until the late 1990s was that gravity attracts things, holds things together, and in a way, stabilizes the universe as a whole. It was in 1998 that scientists stumbled ...
The Earth, the solar system, the entire Milky Way, and the few thousand galaxies closest to us move in a vast “bubble” that is 250 million light-years in diameter. Here, the average density of matter is half as large as for the rest of the universe. This is the hypothesis put forward by a theoretical ...
Patience is a strong quality that is often underestimated and for many extremely difficult to have. It is one of those attributes that can come naturally to some and is acquired with training and self-awareness by others. What does it mean to be patient and why is it so critical? While at a café chatting ...
The strongest explosions in the universe produce even more energetic radiation than previously known: Using specialized telescopes, two international teams have registered the highest energy gamma-ray bursts ever measured from so-called gamma-ray bursts, reaching about 100 billion times as much energy as visible light. The scientists of the H.E.S.S. and MAGIC telescopes present their observations ...
Astronomers and physicists have recently been debating how fast the infinite universe is expanding. This is like artists of the 20th century who studied mathematical patterns in the natural world, and geometry has come into the picture. When Albert Einstein was solving problems about cosmology and applied his new ideas of general relativity to the ...
Even though the black hole at the center of the Milky Way is a monster, it’s still rather quiet. Called Sagittarius A*, it’s about 4.6 million times more massive than our Sun. Usually, it’s a brooding behemoth. But scientists observing Sgr. A* with the Keck Telescope just watched as its brightness bloomed to over 75 times normal for ...
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