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Mysterious interstellar ‘Oumuamua can be made from something almost unheard of in science

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Mysterious interstellar ‘Oumuamua can be made from something almost unheard of in science

The mystery surrounding interstellar objects ‘Oumumua seems to be getting weirder from day to day.

A new study, which has not been reviewed by colleagues, shows that interstellar objects can be made from hydrogen ice. Hydrogen is the most abundant element in the universe, but is rarely observed in solid form.

“We developed a theory that explains all the strange nature of Oumuamua,” said study co-author Gregory Laughlin, a professor of astronomy at Yale’s School of Arts and Sciences, in a statement. “We show that it may consist of hydrogen ice. This is a new type of object, but it seems like more of them are appearing, moving forward.”

Oumuamua is in the form of a cigar, which was first discovered in October 2017, unlike anything researchers have seen before, due to its shape, and dry surface.

The research notes that hydrogen ice, which requires extremely cold temperatures, is something that is in the nucleus of molecular clouds. Molecular clouds form the basis of stars and researchers believe umu Oumuamua can contain hydrogen ice after passing through one of these molecular clouds in space, which can explain its speed.

“When ‘Oumuamua passes close to the Sun and receives its warmth, melted hydrogen will quickly boil from the surface of the ice,” the study’s lead author, Darryl Seligman explains, “provides the observed acceleration and also winnows’ Oumuamua to strange, elongated shapes – like a bar. soap becomes a thin slice after much use in the bathroom. “

It is possible that this “hydrogen iceberg” or “hydrogen comet” could be more prevalent in the solar system, which could give researchers new information about how stars and planets form.

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“Their presence will be an accurate investigation of conditions in the dark recesses of star-forming clouds and provide critical new clues to understanding the initial phase of the still mysterious process that results in the birth of stars and accompanying planets,” Laughlin noted.

Oumuamua’s cigar-shaped 900 feet long has led some researchers to believe that it could be an alien investigation.

A study was published in November 2018 the Harvard Smithsonian Center for Astrophysics suggested that it could be “artificial light” sent from other civilizations.

The researcher who discovered ‘Oumuamua, Canadian physicist and astronomer Robert Weryk, said the idea that of other civilizations is simply “wild speculation.”

No longer seen by telescopes in January 2018, many have speculated about ‘Ouamumua. In addition to with the light sailing theory, some have theorized that that a comet or an asteroid.

The mystery about its exact nature deepened at the end of 2018, when NASA said it had been looking in the direction of ‘Ouamumua for two months but at first didn’t see it.

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5-star hotels lead the way in the restoration of Portuguese tourist sites

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5-star hotels lead the way in the restoration of Portuguese tourist sites

In October, the number of overnight stays in 5-star hotels increased by 15.9% compared to the same month in 2019, which, according to additional information, namely from the DMC (Tourist Inception Agency), is associated with a strong increase in tourism from the United States. states.

Information published today by INE indicates that in October, compared to the same month before the pandemic, the number of overnight stays in tourist establishments in Portugal increased by 6.2%, with the strongest increase in hotels, at 8.2%. in which, therefore, 62.1% is concentrated. overnight stays.

The information shows that 4-star hotels, where the largest number of beds are concentrated, had 48.9% of overnight stays in October, totaling 2.05 million, which is +7.6% or more than 144.7 thousand than in October 2019.

This was followed by 3-star hotels with 927.3k, but this increase was about half of 5-star hotels, by 7.6% or 65.5k, to 927.3k, and then 5-star hotels with 857. 4 thousand overnight stays, an increase of 15.9%. or 117.6 thousand compared to the same pre-pandemic month.

In contrast to the evolution in these categories, there were 2- and 1-star hotels, in which the number of overnight stays decreased by 2.7%, or ten thousand, to 360.8 thousand.

The cheapest apart-hotels (three and two stars) also saw a decrease in overnight stays, from -20.9% or less than 24.4 thousand, in hotels and farms in Madeira, from -0.4% or less, to about 300, and in tourist settlements, from -7.7. % or less than 17.5 thousand.

At the same time, the number of apart-hotels increased by 1.2%, or 8.5 thousand, to 717.5 million, due to the increase in 5-star hotels by 6.7%, or 6.6 thousand, to 104.9 thousand, and 4-star, by 5.4 thousand% or 26.4 thousand to 519.9 thousand.

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Overnight stays in tourist apartments also increased by 3.2%, or 13.6 thousand, to 437.8 million, local accommodation, by 0.6%, or 5.5 thousand, to 901.2 thousand, and , primarily tourism in rural areas and housing, with an increase of 45.2% or 67.3 thousand to 216.5 thousand people.

The INE data also shows that Portuguese tourist sites were the best in October in terms of overnight stays this year, with peaks achieved by 5-, 4- and 3-star hotels, 5- and 4-star apartment hotels, accommodation . and rural tourism and housing development.

See also:

The US market is already setting new annual records in Portuguese hotels

The Portuguese hospitality industry experienced the best October in terms of number of guests and overnight stays.

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Government approves strategy to combat “Portuguese underrepresentation” in Brussels

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Government approves strategy to combat "Portuguese underrepresentation" in Brussels

This afternoon the Council of Ministers will approve a national strategy to combat what it considers “underrepresentation de Portugal” in European institutions, in particular the European Commission.

“There is a significant shortage of Portuguese, especially those working for the Commission,” explains the Secretary of State for European Affairs in statements to Renaissance🇧🇷 The problem, according to Thiago Antunes, is not limited to middle management: “This is the first time Portugal does not have a CEO in the European Commission”.

The government wants to “correct this imbalance and fight this deficit in order to win.”ability to influence in decisions.” But it is not possible to increase the number of vacancies for the Portuguese, if only because there are no national quotas for employees working in institutions.

To go to Brussels or even work in Portugal on a full-time basis, you need to pass a series of tests prepared by EPSO (European Personnel Selection Office). 🇧🇷These are very difficult competitions.with very concrete evidence,” the official explains.

The strategy will be based on several pillars: training, increasing grants and encouraging the mobility of civil servants. The Portuguese government is going to create a national training center to “better prepare our candidates for competitions”; to bet on “dissemination of opportunities; increase the balls (by quantity and value); and create a statute that allows those who work in the public administration of Portugal to move into the European public administration.

The aim is to achieve “greater representation” in the European Commission in order to have “greater influence” on the decision. Although the strategy is to strengthen the Portuguese presence in Brussels and the employees do not work for Portugal.it doesn’t matter that they are portuguese“, he defends.

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Fruits may not appear early or may not even be measurable. “It will take some time until we see results,” admits the former secretary of state to the prime minister. But the wait does not stop the Portuguese government. “We have to start right now,” Thiago Antunes insists, pointing to the demographic problem among those working in Brussels. “There are a lot of Portuguese who came in at the time of our accession and are now retiring.”

The strategy aims to reverse the cycle of loss of Portuguese representation among the 27. The diploma will be approved this Wednesday in the Council of Ministers.

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“His manager is Portuguese and…”; The agent changes plans, and Luis Castro “arranges” the problem in the protection of “Botafogo”

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"His manager is Portuguese and...";  The agent changes plans, and Luis Castro "arranges" the problem in the protection of "Botafogo"

Botafogo

The defender must return from loan ahead of schedule, and the Glorioso coach will have to make a decision at the beginning of the preseason.

Photo: Jorge Rodriguez/AGIF.  First, Luis Castro does not have Diego Loureiro for 2023.
Photo: Jorge Rodriguez/AGIF. First, Luis Castro does not have Diego Loureiro for 2023.

With the end of the season Botafogo its reformulation is already underway with the participation of Luis Castro. Names like Carlinhos, for example, have already left General Severiano, but there is a tendency for the “purge” to continue a little longer. Especially with the return of borrowed athletes during the year.

goalkeeper case Diego Loureiro, who played on loan at Atlético GO, promoted to Serie B. Curiously, the Botafogo archer has a contract at Goiania until the end of 2023, but Dragao president Adson Batista is pessimistic about the player’s consistency.

“Diego Loureiro is a bit off because he still has a contract with Botafogo, his manager is Portuguese and he has a different vision.” said the director in an interview with radio Sagres from the capital of Goiás.

The goalkeeper played only two games for Atlético-GO, who were betting on Renan in the starting lineup. If he returns to Rio, Loureiro will likely see high competition in the black and white net as Luis Castro now has alternatives to Gatito Fernandes and Lucas Perry.

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