WASHINGTON: Hoping to capture lawmakers’ imaginations and perhaps loosen their purse strings, NASA officials said Tuesday that the new scientific information gleaned from the New Horizons mission to Pluto was “revolutionizing” what they know about the icy dwarf planet.
Among other things, the mission revealed evidence of an internal ocean, atmospheric hazes and “other wonders,” Alan Stern, principal investigator of the mission, said before the House Committee on Science, Space and Technology.
New measurements also reveal that Pluto is slightly larger than expected, roughly 1,473 miles in diameter, compared with Earth’s diameter of about 7,900 miles. The spacecraft and its seven instruments collected additional data, such as the height of Pluto’s mountains, the depth of its valleys and its surface temperature. Stunning pictures from the mission were circulated this month.
And data transmitted from New Horizons revealed differences in the compositions of Pluto and its largest moon, Charon. Pluto seems to be made of methane gas, nitrogen ice and carbon monoxide ice, while much of Charon is composed of water and ammonia, leading scientists to wonder how Pluto and its largest moon could have traveled together for so many years and yet are so different.
The data is revolutionizing theories about the distant body, Stern said, predicting that even greater discoveries lay ahead.
Pakistan to get $3b loan from Islamic Trade Financing Corporation
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