Geller

Definition

Geller is an astronomer known for her pivotal work in mapping the large-scale structure of the universe. Her research has significantly advanced our understanding of how galaxies are distributed in space.

5 Must Know Facts For Your Next Test

1. Margaret Geller co-discovered the Great Wall, one of the largest known structures in the universe.
2. She utilized redshift surveys to map galaxy distributions.
3. Her work provided evidence that galaxies are not randomly distributed but form a web-like structure.
4. Geller's studies have implications for dark matter and cosmic evolution theories.
5. She contributed to the creation of detailed 3D maps of galaxy clusters.

Review Questions

• What major cosmic structure did Margaret Geller co-discover?
• How did Geller's research change our understanding of galaxy distribution?
• What method did Geller use to map out galaxies?

Related terms

Great Wall: A massive supercluster of galaxies discovered by Geller and Huchra.

Redshift Survey: A method used to measure the distance of galaxies by observing their spectral redshift.

Cosmic Web: The large-scale pattern of filaments and voids formed by galaxies and dark matter in the universe.