Sentences with phrase «estimated age of the universe»

Astronomers estimate the age of the universe in two ways: 1) by looking for the oldest stars; and 2) by measuring the rate of expansion of the universe and extrapolating back to the Big Bang; just as crime detectives can trace the origin of a bullet from the holes in a wall.

In his regular column on the «13.7» blog (which number refers to the estimated age of the universe in billions of years), Frank describes his own response to the wonders of nature, the physical world, and of just «being human».

Contrary to your insinuations, I think just about everyone who graduates from high school knows the Earth is about 4.5 billion years old, and that the estimated age of the universe is on the order of 13 billion years.

Last I herd the estimated age of the universe had been revised form 14.5 billion years down to 13.7 billion years.

By measuring subtle variations in the cosmic microwave background (CMB), the remnant radiation from the early universe that pervades the sky, WMAP refined the estimated age of the universe (13.7 billion years, give or take), among other key cosmological parameters.

We can estimate the age of the universe based on the rate of expansion.

In turn, knowing the composition with this precision, we can estimate the age of the universe to about 0.4 %: 13.77 ± 0.059 billion years!

Not exact matches

As a way of checking this age estimate, we can examine the oldest things we find in the universe to verify that they are 10 - 15 billion years old, but definitely not older.

Estimates of the universe's age ranged from 7 billion to 20 billion years.

Even by the 1990s, some Hubble constant estimates suggested an age for the universe of under 10 billion years, whereas many stars appeared to be several billion years older than that.

Thinking that I might have a hot story to write about that would reveal something deeply wrong with current cosmological models, I first queried California Institute of Technology cosmologist Kip S. Thorne, who assured me that the discrepancy was merely a problem in the current estimates of the age of the universe and that it would resolve itself in time with more data and better dating techniques.

But Hubble went on to make some of the most important discoveries in the history of astronomy, from providing the best estimate of the universe's age to discovering black holes in the center of galaxies.

u «This [age of the universe] is flatly inconsistent with the ages of Galactic globular clusters, estimated to be about 13 — 17 Gyr [billion years].

The age of the universe can be estimated from the Hubble Constant.

Based on its high cosmological redshift, astronomers estimated that GRB 000131 was emitted when the universe was less than one and a half billion years old — less than 10 percent of an estimated age of 12 to 14 billion years (ESO press release).

Light from the object travelled from 13 to 14.5 billion light - years (ly)-- assuming an estimated age for the universe of roughly 14 to 15 or so billion years — before reaching the Solar System in March 2000, making J1030 the most distant object then detected in visible and x-ray wavelengths (Pentericci et al, 2002; and Malthur et al, 2002).

Analysis of the CMB has enabled researchers to estimate the universe's age as well as its composition of 68 percent dark energy, 27 percent dark matter and 5 percent «normal,» everyday matter.

It looks like Richard Gere has set his sights on a much younger beauty, because E! News confirms that the 65 Dating creation is the attempt to provide an estimate of the age of Earth or the age of the universe as understood through the origin myths of various