Hubble time

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12 Novels Considered the “Greatest Book Ever Written”

Iraqi Army Soldiers from the 9th Mechanized Division learning to operate and maintain M1A1 Abrams Main Battle Tanks at Besmaya Combat Training Center, Baghdad, Iraq, 2011. Military training. Iraq war. U.S. Army

8 Deadliest Wars of the 21st Century

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10 Greatest Baseball Players of All Time

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Pro and Con: School Uniforms

New York NY/ USA- November 23, 2018 Hordes of shoppers throng the Macy's Herald Square flagship store in New York looking for bargains on the day after Thanksgiving, Black Friday.

Why Is It Called Black Friday?

Thanksgiving Turkey with all the sides

Why Do We Eat Turkey on Thanksgiving?

Title: Senate Square, St. Petersburg, December 14, 1825: repression of the troop mutiny - watercolor by Carl Ivanovitch Kollman, 1825 depicts Decembrist uprising clashing with cavalry, with spectators watching. (new style December 26, 1825) Europe. Saint

8 of the Largest Empires in History

Hubble time

astronomy

Learn about this topic in these articles:

age of the universe

In physical science: Astronomy
…and later increased the “Hubble age” of the universe to more than 10 billion years.
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cosmology

In cosmology: Steady state theory and other alternative cosmologies
…apparent large discrepancy between the Hubble time and other indicators of cosmic age. This discrepancy was resolved by revision of Hubble’s original estimate for H₀, which was about an order of magnitude too large owing to confusion between Population I and II variable stars and between H II regions and…
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