Thursday, November 21, 2013

JFK and the Moon

"I believe this nation should commit itself, to achieving the goal, before this decade is out, of landing a man on the Moon, and returning him safely to the Earth."

If you haven't heard these words before, I suggest you look them up.

These are the words of John Fitzgerald Kennedy, the 35th President of the United States, as he outlined his plans to land an American on the Moon in a speech to a Joint Session of Congress on May 25,
Kennedy addresses Congress- May 25 1961
1961.

Just twenty days before Kennedy made this speech, Alan Shepard became the first American to fly in space, after completing a successful sub-orbital flight on Freedom 7. Now, less than three weeks later, the president challenged the nation and its space agency to land on the Moon in just nine years. Time to get to work!

It wasn't long before the hard work really got started. Project Mercury was in full swing, and by May 1963, six Americans had flown in space- four of them achieving orbital flight.

There were now seven years left for America to land a man on the Moon, and everything was going according to plan. NASA was now in the process of developing it's two-man spacecraft for Project Gemini- one step closer to Apollo. However, 50 years ago, on a fateful November afternoon in Dallas, Texas, a young, ambitious American president was gunned down.

The assassination of President Kennedy is a discussion for another day, and be debated by people who know far more about that day than me! But all we need to worry about here is that the man who challenged the nation to go to the Moon was no more.

Despite Kennedy's assassination, NASA continued to press towards the Moon, with Project Gemini launching a two-man crew into low-Earth orbit to demonstrate techniques and gather scientific data needed before any lunar mission could be attempted.

Ed White during Gemini 4 EVA
A total of ten Gemini missions(Gemini 3-12) were flown between 1965 and 1966. Programme highlights included Ed White becoming the first American to walk in space, and the crews of Gemini 6 and 7 proving to the world that NASA could perform a rendezvous between two different spacecraft- a vital operation needed for a successful Moon mission.

With yet another fatal setback, this time the loss of the Apollo 1 crew due to a fire in their spacecraft, it was time to step back and look at what mistakes had been made, and how they would be corrected. People were beginning to ask questions about whether or not NASA would actually be able to land on the Moon before Kennedy's deadline.

Gene Cernan(Gemini 9, Apollo 10, Apollo 17) has spoken about what he initially thought of Kennedy's bold statement:

"He challenged us to do what I think most people thought was impossible, including me!"


However, 8 years, 1 month and 26 days after Kennedy pledged to congress to land a Man on the Moon, Apollo 11 astronaut Neil Amstrong became the first man to walk on the lunar surface. Up until then, one half of the president's goal had been achieved- "Land a man on the Moon." After spending 2.5 hours walking on the Moon, it was time to start thinking about the other half of Kennedy's vision, "Returning him safely to the Earth."

After Armstrong and Aldrin, ten more American astronauts walked on the lunar surface, collecting more and more scientific data and samples so scientists back on Earth could try and find the answers to questions like "How old is the Moon?", "What is the Moon made of?", "Could life have ever existed on the Moon?". However, you don't have to be a genius to try and figure out why Kennedy challenged the nation to reach for the Moon. Of course there was the scientific aspect of it, but the main reason was to beat the Soviet Union to it- the race to the Moon.


Perhaps this video of President Kennedy talking to then NASA Administrator James Webb will explain this point further.  




For me, one line in particular from Kennedy stands out more than anything else:

"We shouldn't be spending this kind of money because I'm not that interested in space."

Now if you watched the video, you will understand that JFK doesn't mean he isn't interested in space exploration, but rather that he is only interested in landing a man on the Moon before the Soviets.

People have been questioning whether or not Kennedy was that enthusiastic about space exploration ever since the days of Apollo. 

Politically, landing a man on the Moon was one of JFK's biggest interests. But whether or not he was all that interested on a personal note remains unclear. I guess we will never know!

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Monday, November 18, 2013

MAVEN Launches to Mars to Study Atmosphere of the Red Planet

The Mars Atmosphere and Volatile EvolutioN (MAVEN) mission, has successfully launched from Cape Canaveral in Florida.


MAVEN on the launch pad
credit: NASA
MAVEN lifted off from Launch Complex 41 atop an Atlas V rocket at 18:28 Irish Time to mark the beginning of a ten month-long journey to the Red Planet.

The spacecraft, due to arrive at Mars in September 2014, will spend one Earth-year conducting its primary mission objectives. MAVEN will do this by using its scientific instruments to sample the uppermost regions of the martian atmosphere at its closest point in its elliptical orbit, just 150km above the surface. At this altitude, the spacecraft can sample the gas and ion composition directly.

At its highest point(6000km), MAVEN will carry out ultraviolet imaging of the entire planet. The altitude in MAVEN's orbit will be lowered five times over the course of the mission, in a maneuver known as a "deep dip." In each deep dip, the spacecraft will fly just 125km above the surface, gathering measurements and information about the well-mixed lower atmosphere of Mars, giving scientists a full profile of the top of the atmosphere.

Mission Objectives
The main goal of MAVEN is to study the upper atmosphere of Mars, and try to understand why the planet has lost so much of its atmosphere over time. Scientists believe that Mars was once a planet that was able to support microbial life, yet today, we see the planet as a cold desert-like inhospitable world.

Did You Know?
MAVEN is NASA's first Mars Mission to be managed by the Goddard Space Flight Center, in Greenbelt, Maryland.

Once MAVEN has finished its primary mission objectives, it is hoped that scientists back on Earth will have a better understanding as to what happened to the atmosphere of Mars, and how did a world that appeared to be teeming with microbial life end up like a desert.

The spacecraft will study how much atmosphere has been lost to space by measuring the current rate of escape, and why this is so.


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Monday, November 11, 2013

Expedition 37 Trio Return to Earth After 5 and a Half Months in Space

The Soyuz TMA-09M spacecraft has returned to Earth, bringing a trio of astronauts and cosmonauts back home after spending the 166 days living and working aboard the International Space Station.

The Soyuz spacecraft, carrying Soyuz commander Fyodor Yurchikin, and Flight Engineers Karen Nyberg and Luca Parmitano, landed in the steppe of Kazakhstan in near perfect conditions at 02:49 Irish Time.

Before all this, the trio bid farewell to their fellow ISS crew members, before hatches between the Soyuz and the station were closed at 20:09 on Sunday night.
Soyuz TMA-09M crew members shortly after landing
credit: NASA

Earlier on that day, Expedition 37 commander Fyodor Yurchikin handed command of the International Space Station over to fellow Russian cosmonaut, Expedition 38 commander Oleg Kotov.

Watch a video of today's change of command ceremony here.

Commander Yurchikin spoke beautifully before handing the reigns over to Kotov:

"It's a great day because we have a road to home, but each day and each night we will have a dream to return here again."

The journey home began when the Soyuz undocked from the aft end of the Zvezda Service Module at 23:26, marking the official beginning of Expedition 38. What is unusual about this particular departure, is that there remains six crew members aboard the complex, instead of the usual three.

Fyodor Yuchikin Waves Goodbye
credit: NASA TV
After performing a series of de-orbit burns to take the spacecraft out of orbit and headed for a landing in Kazakhstan, the Soyuz was spotted by search and recovery forces on site, with its parachute fully deployed. A short time later the spacecraft fired its soft landing engines in what is always a spectacular sight, in order to bring the Soyuz to a final stop.

Those search and recovery forces quickly got to work in extracting Yurchikin, Parmitano and Nyberg from their spacecraft, and sat them down one by one on individual reclining chairs so they could take in the sights and sounds of mother Earth which they had been deprived of for nearly six months.

Today's landing comes just a few days after the Sochi Olympic Torch was carried out on a spacewalk by Kotov and Expedition 37/38 crew member Sergey Ryazanskiy. In fact, the Olympic Torch was one of the items which was also returned in the Soyuz earlier today.

With the return of Soyuz crew, it's full speed ahead for the Expedition 38 crew to continue the science currently being conducted 250 miles above our heads aboard the International Space Station.

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Sunday, November 10, 2013

Olympic Torch Handover Highlights ISS Spacewalk

Two Russian cosmonauts have completed a six hour long spacewalk on the exterior of the International Space Station, carrying the Olympic Torch out into the vacuum of space.

Cosmonauts Oleg Kotov and Sergey Ryazanskiy, both of the Russian Federal Space Agency(Roscosmos) began the spacewalk at 2:34 p.m. Irish Time as the pair left the station's Pirs Airlock with the Olympic Torch in hand.
Ryazanskiy waves for the camera with the Earth in the background


The Olympic Torch was launched to the orbiting complex along with the Soyuz TMA-11M spacecraft, bringing three new crew members to the ISS. This will be the same torch that will be used to light the flame at the 2014 Winter Olympics in Sochi, Russia. Although this is not the first time an Olympic Torch has been in outer space, today marks the first time that the torch will be taken outside into the vacuum of space on an EVA.

Kotov and Ryazanskiy spent time taking photos of the torch with both the Earth and the darkness of space in the background.

Kotov handed the torch over to Ryazanskiy at 3:14 p.m. as the station flew high over the Atlantic Ocean.

However, carrying the torch was not the only objective to be completed today.

The spacewalking duo soon got to work on the other tasks set out for this EVA.

Both cosmonauts focused their attention on the relocation of a foot restraint, the preparation of a pointing platform on the Service Module, and the deactivation of an experiment payload.

All tasks were completed successfully, except for when Kotov and Ryazanskiy were supposed to remove antenna which had been positioned on the exterior of the Russian segment. Finding the task impossible to complete, teams on the ground instructed the duo to translate back to the airlock to conclude today's excursion.

As for the Olympic Torch, it will return to Earth aboard the Soyuz TMA-09M spacecraft, which will more importantly return the Expedition 36/37 crew to planet Earth after living and working aboard the station for the past 5 and a half months.

Fresh from today's spacewalk, Oleg Kotov will assume command of the International Space Station on Sunday from Expedition 37 Commander Yurchikin. Expedition 38 will officially begin when Yurchikin, Nyberg and Parmitano undock their Soyuz spacecraft from the Zvezda Service Module, with undocking scheduled for 11:27 p.m.

This will leave six Expedition crew members aboard the complex, in order to continue the some 150 experiments being carried out 250 miles above our heads.

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Thursday, November 7, 2013

Soyuz Trio and Olympic Torch Arrive at ISS

The Soyuz TMA-11M crew has arrived at the International Space Station, just six hours after launch.

Soyuz commander Mikhail Tyurin of The Russian Federal Space Agency, Rick Mastracchio of NASA, and Koichi Wakata of JAXA, successfully docked their Soyuz spacecraft to the Rassvet Module of the International Space Station at

Hatches between the Soyuz and the station were opened and the three new  station crew members were greeted by the rest of the Expedition 37 crew, before making their way to the Zvezda Service Module in the Russian segment of the ISS to talk to friends and family.
Nine crew members aboard the ISS

This marked the first time that there have been more than six astronauts and cosmonauts aboard the orbiting complex without the presence of a space shuttle since October 2009. Three separate crews will live and work together for four days, before it's time for Fyodor Yurchikin, Karen Nyberg and Luca Parmitano to head for home, having spent the past five months living and working aboard the ISS.

Also arriving to the station aboard the Soyuz TMA-11M is the Olympic torch, which is making the longest leg of its relay leading up to the 2014 Winter Olympics in Sochi, Russian. Flight Engineers Oleg Kotov and Sergey Ryazanskiy will take the Olympic torch outside the station during a symbolic spacewalk, scheduled for November 9.