Farther out, the data are sparser. Astronomers have mapped the cosmic watershed in which our Milky Way Galaxy is a droplet. The Milky Way is at the little blue dot toward the right-hand edge of the circled region just below the reddish area, which is the Virgo Cluster. Brent Tully University of Hawaii, Honolulu and colleagues have taken a different approach. The edges of the superclusters and Laniakea were not clearly known at the time of Laniakea’s definition. Retrieved from ” https: The analysis also reveals other structures, including a separate supercluster called Perseus-Pisces and a distant concentration named Shapley, which lies about million light-years away and toward which Laniakea is moving.
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The edges of the superclusters and Laniakea were not clearly known at the time of Laniakea’s definition. The videos are quite helpful in visualizing Laniakea in three dimensions. Astronomy portal Cosmology portal. Brent Tully University of Hawaii, Honolulu and colleagues have taken a different approach. Due to the nature of cosmic expansion, a galaxy recedes faster the farther away it is. But the team found a way around this problem by using an analysis technique called Wiener filtering.
The Milky Way is at the little blue dot toward the right-hand edge of the circled region just below the reddish area, which is the Virgo Cluster. Follow-up studies suggest that Laniakea is not gravitationally bound; it will disperse rather than continue to maintain itself as an overdensity relative to surrounding areas.
Laniakea, Hawaiian for “immeasurable heaven. Retrieved 9 September The name is meant to honor Polynesian navigators who used their knowledge of the heavens to make long voyages across the immensity of the Pacific Ocean. Triangulum Australe and Norma centre.
Laniakea Supercluster – Wikiquote
It consists of four subparts, which were known previously as separate superclusters:. Galaxy superclusters Astronomical objects discovered in Laniakea Supercluster. National Radio Astronomy Observatory. Retrieved 14 March The colossal structures known as superclusters form at the intersections of filaments.
Laniakea: Our Home Supercluster
Farther out, the data are sparser. Superclusters are some of the universe’s largest structures and have boundaries that are difficult to define, especially from the inside.
The real number may be much larger because some of these are traversing the Zone of Avoidancemaking them essentially undetectable. These new findings help clear up the role of the Great Attractor, which is a problem that has kept laniakkea busy for 30 years. Scientists even have a name for the colossal galactic group: The massive structure, which the research team dubs the Laniakea Supercluster, extends more than million light-years and containslarge galaxies.
The team used radio telescopes to map the motions of a large collection of local galaxies. A slice of the Laniakea Supercluster in the supergalactic equatorial plane. Have a news tip, correction or comment? Scientists have created the first map of a colossal supercluster of galaxies known as Laniakea, the home of Earth’s Milky Way galaxy and many other. For other uses, see Laniakea.
Nature has also created an in-depth video on the discoverywhich I recommend watching. Thanks for this fascinating report! The name was suggested by Nawa’a Napoleonan associate professor of Hawaiian language at Kapiolani Community College.
The new catalog reveals where the flows merge and diverge, unveiling a gargantuan structure on whose periphery the Milky Way sits. The giant structures making up the universe often have unclear boundaries.