[Viajante]

Portugal faz candidatura a Programa Espacial Europeu

Portugal apresentou recentemente uma candidatura ao programa europeu de Vigilância e Rastreio do Espaço (Space Surveillance and Tracking – SST), com o objetivo de fazer parte de um restrito número de países europeus com capacidades e competências na área da monitorização, deteção e previsão das trajetórias de objetos em órbita da Terra.



A informação da candidatura foi divulgada no portal do Governo onde é revelado que no caso de uma participação portuguesa permitirá capacitar o nosso país em áreas sensíveis e tecnologicamente diferenciadas, bem como criar, sustentar e fixar competências e ainda contribuir para uma maior segurança nacional e internacional no e do espaço, enquanto único ambiente capaz de assegurar uma vigilância compreensiva das atividades humanas em terra e no mar.



Quais as competências do SST?

O programa europeu SST visa dotar a Europa de capacidades próprias de monitorização, caracterização e seguimento dos objetos na proximidade da Terra, que podem constituir um perigo real, quer para as infraestruturas em sua órbita, como os satélites, quer para a segurança dos cidadãos na sua superfície. Outras potências espaciais como os EUA, Japão, Rússia possuem sistemas operacionais semelhantes.

O SST tem como objetivos específicos:

    a previsão de impacto entre objetos em órbita;
    a redução do risco de colisão durante o acesso ao espaço;
    o cálculo do local de impacto e da pegada destruidora à superfície da Terra, em caso de reentrada de objetos na atmosfera e a vigilância da atividade dos satélites não europeus que ponham em perigo a segurança e defesa da Europa.

O programa irá interligar em rede os recursos europeus dispersos pelos Estados-membros, criando uma rede cooperativa europeia capaz de mapear, seguir e estimar trajetórias de objetos espaciais, sejam satélites ativos ou lixo espacial.

Este será um dos quatro grandes programas da área do Espaço suportado pela União Europeia e executado pela Comissão Europeia, a par dos programas Galileo (navegação por satélite), Copernicus (observação da Terra) e GovSATCOM (comunicações governamentais por Satélite).

http://www.portugal.gov.pt/pt/ministerios/mdn/noticias/20170825-mdn-prog-esp-europeu.aspx
https://pplware.sapo.pt/informacao/portugal-apresenta-programa-espacial-europeu/

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X-37B - What is it doing up there?

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JAXA New LE-9 Rocket Engine / LE-9エンジン 紹介CG

Os novos motores dos foguetes japoneses.

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The Cassini mission’s epic 13-year exploration of Saturn is coming to a close. On Sept. 15, the spacecraft will make a planned plunge into the atmosphere of Saturn in order to protect pristine icy moons that warrant future exploration.

Dia 15 de Setembro será o fim da sonda Cassini ao entrar na atmosfera da Saturno.   

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A SpaceX decidiu gozar com os seus próprios falhanços.

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E chegou ao fim a vida da Cassini. Entrou pela atmosfera da Saturno às 13h.
O video de alguma das descobertas feitas por esta sonda.

[mafets]

https://uk.news.yahoo.com/china-control-tiangong-1-space-150055913.html

An out-of-control spacecraft will come crashing down to Earth sometime in January or February 2018, a new calculation predicts.

China announced it had lost control of the Tiangong-1 space station in September 2016 and initially thought the spacecraft would fall back to Earth in “late 2017.” Since then, refined estimates have put the date of re-entry at some point between December 2017 and March 2018.

Now, The Aerospace Corporation, a California-based nonprofit that provides assistance to the government’s national security space programs, has announced that the date of re-entry will be late January or February of next year. The corporation made this prediction using data up through September 13, 2017.

Saudações

[Lusitano89]

[Lusitano89]

A lenda do Sputnik 60 anos depois

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[Cabeça de Martelo]

Para relembrar...

Elon Musk announces plans to start colonising Mars in six years

Tesla and SpaceX founder Elon Musk plans to make humankind a "spacefaring civilisation" by starting manned missions to Mars as soon as 2022.

In a keynote presentation to the International Astronautical Congress in Guadalajara, Mexico, on Tuesday, Musk outlined a timeline to create a self-sustaining city on the Red Planet in six years.

He means to make interplanetary colonisation feasible in order to avoid "an inevitable extinction event".

"The alternative is to become a spacefaring civilisation and multi-planetary species," he said. "What I really want to try to achieve here is to make Mars seem possible – like it's something we can achieve in our lifetimes."

Billionaire Musk founded SpaceX in 2002, with the goals of enabling Mars colonisation and reducing space travel costs.

His announcement brings forward the date for its first manned mission to the planet and throws light on how the aeronautics company intends to achieve it.

The first settlers would be taken to Mars on SpaceX's Mars Vehicle – a combination of a spaceship and a reusable rocket booster.

A larger version of the company's Falcon9, the rocket would return to Earth after detaching from the spaceship, which would continue the journey to Mars carrying up to 100 passengers.

The rocket could then be reused – up to 1000 times, according to Musk – to launch further ships and other modules into space. This reuse helps to reduce costs.

To make the prospect accessible, Musk argued that a ticket to Mars should be reduced to rival the cost of buying a house.

"If we can get the cost of moving to Mars to be the same price as a median-priced house in the US of about $250,000 then I think the probability of establishing a civilisation would be relatively high," said Musk.

His plans for the initial investment required to construct the technology were less clear. The Guardian reports that Musk reiterated two elements of SpaceX's existing business model to the congress – sending cargo and astronauts to the International Space Station and launching satellites.

He is also providing some of the funding personally.

"The reason I am personally accruing assets is to fund this," he said. "I really have no other purpose than to make life interplanetary."

He plans to name the first spaceship to make the journey to Mars Heart of Gold – a tribute to Douglas Adams' Hitchhiker's Guide to the Galaxy.

As well as their ambitious plans for the red planet, Musk and SpaceX have devised the Hyperloop supersonic transport system to link Los Angeles and San Francisco in just 30 minutes – which he believes could be built within a decade.

There has been a growing interest in Mars colonisation since NASA's robotic Curiosity rover landed on the planet in 2012.

In 2013, over 200,000 people applied for a one-way ticket to join a Mars settlement, and last year NASA ran a competition to find proposals for 3D-printed housing on the red planet.

Even architecture studio Foster + Partners has been investigating the possibilities for building on the planet.

More conceptual plans for colonising the red planet include Alberto Villanueva's proposal to terraform using towers formed by bacteria.

https://www.dezeen.com/2016/09/28/elon-musk-spacex-colonising-mars-six-years-design-technology/

Já agora:

https://www.tecmundo.com.br/ciencia/122515-elon-musk-detalhes-planos-levar-humanidade-marte.htm

[Cabeça de Martelo]

O futuro da exploração espacial:

[mafets]

http://www.wearethemighty.com/news/russia-and-the-us-now-plan-to-build-a-moon-colony-together

The U.S. and Russian space agencies have announced a new collaboration to build a space station orbiting the moon, a rare glimpse of bilateral cooperation amid bitter tension between Washington and Moscow.
NASA and Roscosmos said in statements released on September 27 that the two entities had signed an agreement to work together on a project that will eventually serve as a “gateway to deep space and the lunar surface.”
NASA has dubbed the long-term project the Deep Space Gateway, a multistage effort to explore, and eventually send humans, farther into the solar system.
The two countries’ space agencies will cooperate to build the systems needed for both the lunar-orbiting station and a base on the moon’s surface, Roscosmos said.

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