The expansion of the universe gives an age for the universe as a whole: 13.7 billion years old.
Astronomers and geologists have determined that the universe and Earth are billions of years old.
This means that, first, the laboratory inside of Curiosity can measure the ratio of potassium-40 to argon-40 and, since the rate of radioactive decay is constant, measure how old the rock is, The other brilliant thing is that when the rock melts, all the argon can escape.
These March 2017 temperature departures from average were the fourth highest of any month on record in NASA's database, and fifth highest in NOAA's records. The last three consecutive years – 2014, 20 – each set a new warm record for the globe. Extremely dry conditions, stiff winds, unusually warm weather, and trees killed by outbreaks of pine bark beetles have provided ideal conditions for the blazes.
Taken together, the first three months of 2017 were the planet's second-warmest January-through-March period, according to NASA, NOAA and JMA data. NOAA's report noted March 2017 was the first time a monthly departure from average topped 1 degree Celsius without an El Niño in play)Among the notable factoids in the NOAA report.(MORE: January Through March 2017 a Record Number of Billion-Dollar U. The Ash Creek Fire seen here is one of some 27,000 fires which have destroyed nearly 2 million acres of the western U. (Credit: NASA)The Weather Company’s primary journalistic mission is to report on breaking weather news, the environment and the importance of science to our lives.
A graduate of the Massachusetts Institute of Technology, he's a far cry from the buttoned-up rocket scientists we're used to seeing at NASA.
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