«The extraordinarily young age of this lunar sample either means that the Moon solidified significantly
later than previous estimates, or that we need to change our entire understanding of the Moon's geochemical history,» Carlson said.
Not exact matches
The
latest report departs from
previous estimates pegging the company's value during an IPO at $ 25 to $ 35 billion, higher
than the $ 20 billion valuation Snap received when it raised funding earlier this year.
However, the
latest estimate of its size, published Thursday, is between four and 16 times larger
than previous reports: a whopping 1.6 million square kilometres, or 617,763 square miles.
This date is 140 million years
later than the
previous best
estimate of 420 million years post — big bang, which came in 2006 using CMB data from the Wilkinson Microwave Anisotropy Probe (WMAP).
Based on data through April 7, 2013, the
latest orbital plot places the comet's closest approach to Mars slightly closer
than previous estimates, at about 68,000 miles (110,000 kilometers).
While this number is higher
than the
previous estimate made in the
late 1990s based on ground measurements, the new research includes data on more volcanoes, including some that scientists have never visited, and it is still lower
than human emissions of sulfur dioxide pollution levels.
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.