Tag Archives: mars

Hon Tumwebaze, Uganda should venture into Outer Space

I am one of the numerous Ugandans who expect little in terms of cutting edge knowledge and proactive initiatives from our distinguished Ministers. A good number of them are viewed as partaking of political rewards as dispensed by the Fountain of Honour.

After being entertained by pedestrian reasoning from the likes of Hon. Anite Evelyn one would be hard pressed to expect anything better from the current lot of ministers. However, I was taken back when I came across a statement that Hon Frank Tumwebaze made in the Parliament of Uganda in response to a query by Hon. Cuthbert Abigaba. I must admit that I’ve had to eat my words and change my attitude abit. I now believe there are some ministers and Members of Parliament worth their salt in Uganda.

The Minister had been tasked to share plans that the Government of Uganda has to tap into the vast opportunity provided by the Upper Air Space. In his response, he made an effort to point out a number of issues that got me and my fellow amateur astronomers excited. While it definitely fell short of many things, we agreed on one thing, it’s a good start and commendable line of thinking.

The use of the term Upper Air Space would literally restrict the kind of information the minister shared, if we are to go by some of the definitions out there. However, I would like to believe that what Hon. Abigaba wanted to know about was basically our plans as a country to tap into the opportunities offered by Outer Space.

The Minister’s full statement is available here in which he points out a number of issues that are being considered both as a nation and Africa as a whole.

According to Wikipedia, Outer space is defined as the near vacuum that exists between celestial bodies. Celestial bodies are natural bodies located outside of the earth’s atmosphere like the Sun, Moon, Jupiter, Mars, the numerous stars and planets that litter the sky etc. Scientists refer to the point of separation between the Earth’s atmosphere and Outer Space as the Karman Line. This is located 100km from the earth’s surface.

Karman-Line

Depiction of the Karman line. Image courtesy of Derekscope

Countries like the USA, Russia, China and India are already trailblazing in the space exploration arena and some people have been left asking why we mind so much about investing money in space exploration when hunger and poverty are still rife in our countries.

Uganda has largely been passive in this endeavour and this can be attributed to the overwhelming need to address survival basics for our citizens as well as a general lack of guidance in this regard. A discussion on outer space should not be restricted to satellites and communication technologies. We need to be looking beyond that. Like the explorers of yester-years who traversed the world by ship searching for distant lands and peoples, the opportunities outer space offers us today are;

  • Better monitoring and management of planet earth. We can be in position to track a lot of aspects about this planet including among others weather. This monitoring will definitely help us better manage the resources at our disposal as well as right the wrongs that have been done over the years.

  • Explore alternative planets/locations for settlement. Have you ever imagined that one day man shall be an interplanetary specie? Just like you have Ugandans living in Uganda and others in the U.K, we cannot rule out a time when we shall have humans living on Mars or dwelling in floating cities in space. Earth as we know it might eventually become hostile hence the need for us to establish alternative locations of abode in the universe where we can set up ourselves afresh in the event of a catastrophe on mother earth. You might for example not be aware that 50Km above the surface of the planet Venus, one finds an atmosphere that is very earth like. This could be one good candidate for a space colony through the use of floating cities.

  • The Solar System that we are a part of is just one of the millions of solar systems in the Milky way Galaxy. The Milky way Galaxy is just one of billions of Galaxies in the universe. Have you ever considered the possibility of other intelligent life forms existing elsewhere in the Universe? Sincerely, do you really believe that God only placed man in this universe? We may have been the only ones he made in His own image but we cannot rule out many other human like beings He created that are not necessarily in his image.

If we are to remain relevant to the future, as a nation we need to stand up and be counted. We have to join the Space agenda as fast as possible. Uganda has entry points that can be utilised to get into this arena if only we took time to educate ourselves more on this subject matter.

Located at the Equator with a big water body in the form of L. Victoria, Uganda is an ideal location for a Spaceport (used to launch rockets to space).

The earth is always continuously spinning on its axis. This spin can act as a boost when launching rockets into space. The experience is similar to someone giving you a push before you dive into the swimming pool. The strength of the push determines how fast you get into the pool. Due to the oval nature or the earth, in the 24 hours it takes for it to spin on its axis, a spot nearer to the North or South Poles moves a shorter distance than one at the equator.

earth_rotation

Earth’s rotation.

An object at the equator in Uganda already has a rotation speed of 1670 Km/h as opposed to one in Norway at about 800Km/h. Since the surface of the earth is travelling faster at the equator, a launch in the same area implies that the rocket takes off at a faster speed and reaches orbit much quicker. This has a lot of implications towards minimising the cost of launches.

The presence of Lake Victoria as a water body is ideal. These water bodies are favoured near launch sites because they tend to offer a good backup of water supply in the event that a fire erupted at the spaceport. Remember rocket launches are basically controlled explosions. Something could go wrong at the launch pad. SpaceX had a pre-launch explosion in September 2016. John Young (American Astronaut) once said, “Anyone who sits on top of the largest hydrogen-oxygen fueled system in the world, knowing they’re going to light the bottom, and doesn’t get a little worried, does not fully understand the situation.”

Uganda being on the Eastern side of the African continent is also another compelling factor. Most space launches (at least for geostationary orbit satellites) tend to take on the easterly direction during launch. With the Indian Ocean not too far, the stages that eject during flight can drop into the ocean.

Today, our Mpoma Satellite Earth Station is largely idle. It could easily be revived and used to track satellites most of which are largely cycling around the equator.

On the Human Resource front, as a country, Uganda has been acknowledged for having a large youthful population. This coupled by the high numbers of technology graduates being churned out of school is another mouth watering opportunity that awaits exploitation. These brains can be put to use in an elaborate space programme.

ISRO, the Indian Space Research Organisation has not engaged in any major inventions but simply utilised already available knowledge in the public domain to make leaps in the Space arena. They have sent probes as far as Mars at a fraction of the cost of NASA to study more about celestial bodies. This is encouraging news and implies that Uganda can easily follow suit.

For starters, Uganda’s Space Agency can count on the massive backlog of satellite launches to make money that would then fund other activities in this regard. A thorough strategic plan is required prior to taking this leap of faith.

Once again, Hon. Tumwebaze, I thank you for the insight you and your team has shown. I believe there are Ugandans out there ready to work with you to turn this Outer Space fantasy into a reality and appease visionary MPs like Hon. Cuthbert Abigaba. Please join the Uganda Astronomers’ WhatsApp group or the Facebook Page for starters so we can engage from both a civil and technical perspective.

“The probability of success is difficult to estimate; but if we never search, the chance of success is zero,” Giuseppe Cocconi and Philip Morrison’s paper ‘Searching for Interstellar Communications’ that was published in September 1959

Let us start NOW!!!

James Wire is a Small Business and Technology Consultant based in Kampala, Uganda

Follow @wirejames on Twitter.

Email lunghabo [at] gmail [dot] com

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The unravelling reality of Space Travel

Welcome back the Shepard, perfect landing, we made history today. Now, who wants to go to space?” said the commentator in the video after the second landing of the New Shephard rocket that Blue Origin has been working on to realise the dream of space travel. Wondering, what the heck this is all about?

Let’s go down memory lane. The 18th and 19th centuries were spent with various individuals experimenting on air travel. Many mistakes were made, however, their persistent efforts paid off when at the dawn of the 20th century, The Wright brothers among others were able to come up with mechanised flight.

The first commercial flight in recorded history occurred on January 1st 1914 between St. Petersburg and Tampa in the USA covering a distance of 21 miles (34 Kilometres) in 23 minutes at an altitude of 15 feet (5 metres). The amount paid then by the passenger was US$ 400 which is equivalent to almost US$ 10,000 today.

KLM the world’s first commercial airline opened it’s doors in 1919 and transported 345 passengers and 25,000 Kg of mail and cargo in its first year. This is equivalent to the load carried by a single Boeing currently. Since then, a lot of progress has been made in the aviation industry with flights today traveling non stop for over ten hours at speeds we currently consider fast.

In the middle of the 20th century, the space race begun and was largely a two horse battle between the American and Soviet Governments. The Soviets drew the first blood by sending the first man to space as well as launching the first ever satellite. Subsequently, the Americans outdid them by landing the first men onto the moon. Alot of effort has since gone into space related research with the launch of numerous satellites and probes sent to distant planets.

The entry of private players into the Space Age that had been a monopoly of state actors begun remarkably changing many things and injected a lot of much needed money as well as innovative ideas.

In 2002, the commercialisation of space travel saw Mark Shuttleworth become the first African to travel to space and spend eight days at the International Space Station. It however came at a hefty cost of Twenty Million US Dollars. Not many can afford such sums of money to achieve the dream of space travel.

One of the reasons space flight has traditionally been expensive is the need to use new rockets each time a pay load has to be taken to space. It is similar to having to purchase a new plane for each flight that is going to be made. There has always therefore been a need to come up with ways of landing rockets safely back to earth and reusing them for future missions.

On April 29th 2015, Blue Origin launched the first flight of the New Shepard rocket that flew upto 307,000 feet (Approximately 94 Km) which was just 6 Km shy of the Kármán Line at the altitude of 100Km regarded as the Edge of Space. The rocket came back to earth and made a successful upright landing much to the joy of the development team.

As if that was not enough, seven months later, on November 23rd 2015, a repeat flight was made by the same rocket that achieved a distance of 329,839 feet (100.4 Km) above the earth effectively reaching the edge of space.

On the 21st of December 2015, Space X a company whose goal is to enable people live on other planets sent the Falcon 9 rocket to space and it duly delivered eleven (11) low earth orbiting satellites after which it returned and landed safely back on earth. Similar to Blue Origin, Space X took the game further using a more powerful rocket while attempting a much harder feat. Not to be outdone, the New Shepard was sent on another trip back to sky on 22nd January 2016 confirming to many that Blue Origin means business.

16892430560_f87dff78c0_o_1

Falcon 9 rocket route plan. Picture courtesy of SpaceX

What does this all mean to humankind?

“If one can figure out how to effectively reuse rockets just like airplanes, the cost of access to space will be reduced by as much as a factor of a hundred. A fully reusable vehicle has never been done before. That really is the fundamental breakthrough needed to revolutionise access to space.” Elon Musk, Space X founder.

At the turn of the 20th century, the pride of many was being able fly in an aeroplane and visit other continents on earth. The 21st century however has come with its own demands. Today, with a greater understanding of the solar system, galaxies and the universe, humanity is aspiring to colonise other planets and make them habitable or at worst extensions of our civilisation. Why can’t one go for holiday on mars or the moon? How about taking a guided tour of the Solar system giving you an opportunity to see planets like Pluto, Saturn and it’s many moons all from the heavens’ eye view? Imagine closely trailing a comet or asteroid on its journey orbiting the sun? Let alone having real estate on the moon with a retirement apartment for you? For the work freaks, wouldn’t a floating office in space give you the extra zeal to work?

All this may seem too imaginary and unreal but it’s as outrageous to you just as the idea of flying an aeroplane was to earth’s inhabitants six centuries ago. The human race has all it takes to conquer the universe and with the advances made technologically, one day at a time, I can’t rule out inter planetary travel being the norm in the next thirty years with inter galactic travel being achievable within a century from now.

Our ability to visit space repeatedly, at will and with ease will go a long way in enabling us push the boundaries of space ambition. A rocket should be able to take off from earth, deliver passengers into space and return all within minutes and then make another flight within the hour, essentially being re-used five to eight times a day. That way, the cost of access to space per head will drastically go down.

This is one of the reasons am excited about the foresighted approach of the new Ugandan Secondary School syllabus that has added Astronomy as part of the package to be taught to students. A good understanding of what the universe has in store for us will push our children into aspiring to challenge the new horizons. Maybe it could also be one of the solutions to the numerous land conflicts that we are faced with.

@wirejames on twitter

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