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The Giant Arc is a large-scale structure discovered in June 2021 that spans 3.3 billion light years. [1] The structure of galaxies exceeds the 1.2 billion light year threshold, challenging the cosmological principle that at large enough scales the universe is considered to be the same in every place (homogeneous) and in every direction ().
One speculation is that a void could cause the cold spot, with the possible size on the left. However, it may be as large as 1 billion light-years, close to the size of the Giant Void. B&B Abell-4 void: 489,000,000: B&B Abell-15 void: 489,000,000: Tully-3 void: 489,000,000: Catalogued by R. Brent Tully 1994EEDTAWSS-10 void: 469,440,000: Tully-1 ...
In 2021, she discovered the Giant Arc, a similar structure located in the same region. [3] It is a significant astronomical discovery, as it challenges the Cosmological Principle. Currently, there is no known cause for its formation within our current understanding of the universe. The Big Ring is the seventh large structure discovered that ...
A photograph of a huge plasma arc next to the Andromeda Galaxy, the closest large spiral galaxy to the Milky Way, has won the 2023 Astronomy Photographer of the Year competition for a team of ...
In 2009, and HST study in the field of Abell 370 revealed in greater detail the 30" long arc with the appearance of a dragon, and hence rebranded as The Dragon [10] by NASA scientists. [11] Its head is composed of a spiral galaxy, [ 12 ] with another image of the spiral composing the tail.
In June 2021, the Giant Arc was discovered, a structure spanning approximately 1000 Mpc. [24] It is located 2820 Mpc away and consists of galaxies, galactic clusters, gas, and dust. In January 2024, the Big Ring was discovered. It is located 9.2 billion light years away from Earth has a diameter of 1.3 billion light years or around the size of ...
Two giant holes in the Sun could create impactful space weather for Earth in early February. Recent NOAA satellite images show two coronal holes, areas on the surface of the Sun with cooler plasma ...
A giant hole in the earth is breaking open the land in Siberia, and photos from space show it's growing rapidly. It resembles a stingray, a horseshoe crab, or a giant tadpole.