Sentences with phrase «older than previous estimates»

Polynesian figure is older than previously thought The figure of A» a, a carved sandalwood figure in the collection of the British Museum, is now thought to be up to 250 years older than previous estimates, which dated it to the late 18th or early 19th century.

This is significantly older than previous estimates based on mtDNA, confirming recent observations from autosomal markers that brown and polar bears from a genetic point of view represent highly distinct species.

Not exact matches

This is more than double previous estimates and, if correct, places the Alamo crater as one of the largest marine impacts in the last 550 million years, conservatively larger than the well - studied Chesapeake Bay impact crater (about 35 million years old) on the eastern shore of North America.

With this data, the WMAP research team calculated that the universe is 13.7 billion years old (plus or minus 1 percent) and determined that the first stars appeared 200 million years after the Big Bang, far earlier than most previous estimates.

Note that the old GISS model had a climate sensitivity that was a little higher (4.2 ºC for a doubling of CO2) than the best estimate (~ 3ºC) and as stated in previous years, the actual forcings that occurred are not the same as those used in the different scenarios.