Scientific proof

Scientific proof

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03/06/2019

Pluto may be in the danger of losing its wispy atmosphere by 2030. A team of international researchers led by University of Tasmania astronomer Andrew Cole have been studying the celestial body.

Located 3.7 billion miles (5.9 billion kilometres) from the Sun, the dwarf planet was discovered in 1930. And later in 1980, astronomers began to suspect it may have an atmosphere. It largely comprised of nitrogen with traces of methane and carbon monoxide, all of which had vaporized from their solid icy forms on its surface.

During the last decades of the 20th century and the first decades of the 21st century, the Earth and Pluto were perfectly aligned with a dense cluster of stars in the centre of the Milky Way. This was a perfect opportunity for astronomers to capture data and information.

We were able to construct seasonal models of Pluto and how it responds to changes with the amount of sunlight it receives as it orbits the Sun,” Dr. Cole said. “What we found was when Pluto is farthest away from the Sun, and during its winter in the northern hemisphere, nitrogen freezes out of the atmosphere.”

“The atmospheric pressure has tripled over the past three decades, but as the dwarf planet orbits, our modelling showed that most of the atmosphere would condense out to almost nothing left,” Dr Cole said in a statement. “What our predictions show is that by 2030 the atmosphere is going to frost out and vanish around the whole planet.” The researcher adds, “If it does freeze over, Pluto may appear brighter in the sky due to sunlight reflecting.”

A recent informal poll taken by a small group of scientists voted overwhelmingly in favour of reinstating Pluto’s full planetary status.

16/04/2019

First Black Hole Captured By Scientists Gets Its Own Hawaiian Name
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National Science Foundation/Getty Images
The first black hole to ever be depicted in an image has been given its own name by a language professor in Hawaii.

The landmark scientific experiment resulted in the first-ever image of this kind of cosmic object to be produced, which was named “Powehi” by Hawaiian professor Larry Kimura at the University of Hawaii-Hilo. According to The Guardian, the Honolulu Star-Advertiser reported on Thursday that Professor Kimura chose that specific name because it means “the adorned fathomless dark creation” or “embellished dark source of unending creation,” and it originates from the 18th-century Hawaiian creation chant Kumulipo. “Po” is a deep dark source of unending creation, and “wehi” means honored with embellishments, while also being one of the chant’s descriptions of “po.”

“To have the privilege of giving a Hawaiian name to the very first scientific confirmation of a black hole is very meaningful to me and my Hawaiian lineage that comes from po,” Professor Kimura said in a statement.

The first-ever image of a black hole was produced on Wednesday and created by using data from eight different radio telescopes around the globe, including two located in Hawaii, which is why astronomers agreed on the project’s name. A whole team of 200 scientists put together a group effort to capture the image of the huge black hole located in the M87 galaxy, which is about 54 million light-years from Earth.

“As soon as he said it, I nearly fell off my chair,” said Jessica Dempsey, who’s the deputy director of the James Clerk Maxwell Telescope on Mauna Kea, Hawaii, and part of the team.

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