List of largest cosmic structures
List of largest voids
Voids are immense spaces between galaxy filaments and other large-scale structures. Technically they are not structures.

List of largest cosmic structures

Section Title: List of largest voids
Table Section Text: Voids are immense spaces between galaxy filaments and other large-scale structures. Technically they are not structures.

Void name/designation	Maximum dimension (in light-years)	Notes

KBC Void	2,000,000,000	Void containing the Milky Way galaxy and Local Group

Giant Void	1,300,000,000	Also known as Canes Venatici Supervoid

Tully-11 void	880,000,000	Catalogued by R. Brent Tully

Tully-10 void	792,000,000	Catalogued by R. Brent Tully

Tully-9 void	746,000,000	Catalogued by R. Brent Tully

B&B Abell-20 void	684,000,000

B&B Abell-9 void	652,000,000

Tully-7 void	567,240,000	Catalogued by R. Brent Tully

Tully-4 void	564,000,000	Catalogued by R. Brent Tully

Tully-6 void	557,460,000	Catalogued by R. Brent Tully

Tully-8 void	554,200,000	Catalogued by R. Brent Tully

B&B Abell-21 void	521,600,000

B&B Abell-28 void	521,600,000

Eridanus Supervoid	489,000,000 (most likely value)	A recent analysis of the Wilkinson Microwave Anisotropy Probe (WMAP) in 2007 has found an irregularity of the temperature fluctuation of the cosmic microwave background within the vicinity of the constellation Eridanus with analysis found to be 70 microkelvins cooler than the average CMB temperature.

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 void	456,400,000	Catalogued by R. Brent Tully

B&B Abell-8 void	456,000,000

B&B Abell-22 void	456,000,000

Tully-2 void	443,360,000	Catalogued by R. Brent Tully

B&B Abell-24 void	423,800,000

B&B Abell-27 void	423,800,000

B&B Abell-7 void	391,200,000

B&B Abell-12 void	391,200,000

B&B Abell-29 void	391,200,000

1994EEDTAWSS-21 void	378,160,000

Southern Local Supervoid	365,120,000

B&B Abell-10 void	358,600,000

B&B Abell-11 void	358,600,000

B&B Abell-13 void	358,600,000

B&B Abell-17 void	358,600,000

B&B Abell-19 void	358,600,000

B&B Abell-23 void	358,600,000

1994EEDTAWSS-19 void	342,100,000

Boötes void	330,000,000	Also known as The Giant Nothing

1994EEDTAWSS-12 void	328,000,000

Sentence(s)

Canes Venatici is one of the largest voids ever discovered, larger than the Eridanus Supervoid.

final_sentence: Canes Venatici is one of the largest voids ever discovered, larger than the Eridanus Supervoid.