y promoted Hannover shared the spoils following a 4-4 draw a

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For the first time in history Manny Machado Jersey , human exploration of Mars has been declared of NASA’s official goal. President Trump even signed a bill to increase the space agency’s spending budget to $19.5 billion for a 12 month period starting October 1, 2017. For years, NASA inspired millions to imagine a better future on planet worth and civilizations in distant worlds, and it might just be time to work on making that dream a reality.

Colonizing Space

NASA hopes to send people to Mars by the 2030s as it continues to work with private companies to come up with new technologies that can help with this goal. The Elon Musk owned SpaceX has plans of its own to get to the red planet, and his company is planning to send an unmanned spaceship to Mars as early as 2018.

Can it be Done?

One of the biggest hindrances to the Mars program has been the issue of radiation. Present day radiation shielding materials aren’t capable of securing a trip to Mars. Moreover, the entire spacecraft needs to be built with materials that can protect the body from the effects of radiation as exposure could cause cancer, and even death.

Let’s take the example of earth. It would take several meters of thick concrete or lead to keep the body safe from a nuclear disaster. And having to fall back on lead, one of the most dangerous metals that the human body can be exposed to, is saying something. It’s pretty much the same in deep space.

Since the thin atmosphere of Mars won’t be able to offer protection to people who live there, offering lead free shielding and radiation shielding materials is one of the most critical aspects of colonizing space.

Working on a Solution

Experts have been working on several radiation shielding methods to protect astronauts in deep space. One of the proposed solutions is to wear the AstroRad Radiation Shield, a vest designed to offer the best possible radiation protection in deep space or in the event of a nuclear disaster. The vest protects vital human tissue and stem cells from radiation and might get its first test in 2018 when the Orian spacecraft makes its test journey to the moon.

Based on simulations, it is expected that the vest shall offer the same protection as a “shielded safe room” in the Orion. The vest has many small cells that are grouped together so that the device resembles a honeycomb. It is also known to be incredibly lightweight and flexible.

Other Proposals

NASA has also been exploring other radiation shielding material concepts. One idea proposes to build a storm shelter inside the floor of the Orion spacecraft. Astronauts can hide in this shelter in the event of a solar flare, sudden bursts of energy from the sun’s surface. The agency is also working on drugs to work like antioxidants and fight the effects of radiation. The medicine could even work in reversing effects of radiation exposure from flares.

Finding the right radiation shielding materials might take some time and research, but Mission Mars now looks like a future reality, not a distant dream.

BERLIN, Dec. 17 (Xinhua) -- Ten-men Hertha Berlin overpowered Leipzig 3-2 owing to the brace from Davie Selke while Bayer Leverkusen shared the spoils with Hannover following a 4-4 draw at the closer of the 17th round in Bundesliga on Sunday.


Selke's brace against his former club Leipzig helped Berlin to wrap up the second win in a row before the winter break.


The visitors from the capital needed only six minutes to break the deadlock as Alexander Esswein's square pass found Selke, who curled the ball into the top right corner.


It was a short-lived joy for Berlin though as defender Jordan Torunarigha received his marching orders following a professional foul to Timo Werner in the 7th minute.


However, the hosts were unable to capitalize on their numerical advantage as Salomon Kalou headed home a free kick from Valentino Lazaro to double the lead with 31 minutes played.


Berlin continued to play as if they still had all 11-men on the pitch as Selke sealed his brace six minutes into the second half after Leipzig failed to clear a corner kick from Lazaro.


Leipzig pressed for a goal but they remained uninspired in front of Berlin's goal. The hosts eventually pulled one back when Willi Orban headed home a cross at the near post in the 68th minute.


Berlin defended deep in their territory but they were hapless when Marcel Halstenberg headed home Leipzig's second goal to reduce the arrears to 3-2. The second goal came too late for the "Bulls" as Berlin snatched all three points on the road.


With the result, Leipzig suffered the fifth loss of the season to slump to the 5th place meanwhile Hertha Berlin jumped on the 10th position of the Bundesliga standings.


Elsewhere, Bayer Leverkusen and newly promoted Hannover shared the spoils following a 4-4 draw as Julia Korb marked the late leveller. The lead changed three times but Leon Bailey's second-half brace wasn't enough to secure a win for Bayer Leverkusen.




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