| Subject | Date Asked |
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| Space Flight Speed Measurements | 6/12/2009 |
Q: how does a vehicle such a the space shuttle or one of the Saturn rockets measure its speed while ...
A: The speed and direction of every space craft is predetermined in planning stage of a mission and ...
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| Moon Mission Names | 5/23/2009 |
Q: Does NASDA has a future moon landing scheduled? When? At what phase of progress it is now? ANSWER: ...
A: ... there are no names given yet to the missions or vehicles but that is currently in planning. ...
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| Moving to Mars | 5/21/2009 |
Q: terraform mars...how long will it take to terraform a planet... what will the price tag be at the ...
A: Moving to Mars? Delayed 300 years? It will take many hundred years to terraform a planet like Mars ...
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| Future Moon Landings | 5/17/2009 |
Q: Does NASDA has a future moon landing scheduled? When? At what phase of progress it is now?
A: NASA plans to return man to the moon, preparation has started with a goal of a manned landing by ...
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| Google Earth | 5/13/2009 |
Q: rangutan, the google earth images are at least 6 years old. I have few things to discuss about ...
A: I have yet to find out why people pay for Google Earth (GE)when it is free under Google Maps as an ...
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| Space Shuttle Mach Number | 5/12/2009 |
Q: Rangutan, What is the Mach Number of the Space Shuttle at the end of the launch tower?
A: I answered this question before in "km/h" so I just need to divide by the speed of sound 1087 ft/sec ...
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| Moon Hoax? | 5/11/2009 |
Q: Has there been any manned moon missions since the apollo missions.This question regards to the ...
A: Kushal There is absolutely no doubt that Armstrong and 11 other astronauts walked on the moon. The ...
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| Path of a Particle in Space | 4/26/2009 |
Q: what is the path of the particle projected in vacuum?is it straight,circular,parabola or elliptical?
A: The path of a particle, whether a dust particle or photon of light, appears to be straight but is ...
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| Quantums | 4/22/2009 |
Q: I am in the sixth grade. I am wondering what 'Quantum' means. Please get back to me ASAP because of ...
A: The word quantum means 'quantity' or 'sum of'. It is usually used with another noun, quantity [of ...
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| Orbital Mechanics: Paper Presentation | 4/8/2009 |
Q: I am Sai an Aerospace engineering(Flight dynamics and controls) student doing my final yr bachelors ...
A: You have chosen a very interesting field of study. Great! Related subjects: - atmospheric drag - ...
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| Who's voice was that? | 4/1/2009 |
Q: Maybe you can help me. I video taped the first shuttle landing from my TV. I'm trying to find out ...
A: This is a difficult one! Try these names and please let me know in a follow-up question if I should ...
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| Robert Goddard | 3/26/2009 |
Q: What kind of fuel did Robert Goddard use in the first rocket and what kind of fuel do we use today?
A: Goddard used liquid nitrogen and liquid oxygen. He also experimented with gunpowder as a solid fuel ...
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| Speed in Space | 3/20/2009 |
Q: Once a spaceship exits the atmosphere of Earth and the gravitational pull, does it keep a constant ...
A: In deep space the spaceship will keep a constant speed until its rockets are fired to accelerate or ...
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| [Credits] | 3/5/2009 |
Q: In order to complete my project, I need to sne dyou a thank you letter. (Well i do "need" to but i ...
A: That is very thoughtful of you and encourages me to serve others and continue these difficult tasks. ...
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| Space Exploration (Past, Present, Future) | 3/4/2009 |
Q: I have a lot of questions (10). 1.) Who started NASA? 2.) Why was NASA started? 3.) Why didn't U.S.A ...
A: So many questions, I will answer only briefly. If you would like me to explain a topic in detail, ...
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| What if the Moon disappeared! | 3/2/2009 |
Q: What would happen if the moon disappeared?
A: It is very unlikely that the Moon will disappear but the idea is not impossible. A direct hit by a ...
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| Microgravity (Zero-G) | 2/22/2009 |
Q: Can Microgravity and same conditions as in space, be created here on earth in a laboratory ? for ...
A: Yes, we can simulate microgravity (also called "Zero-G") on earth in that we suspend things in ...
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| A View from the Edge of the Solar System | 2/12/2009 |
Q: .. Just wondering... if a ship (Voyager, or Pioneer, or another) reached the edge of the solar ...
A: An Interesting subject. Firstly, there is no defined "edge" of the Solar System. Basically anything ...
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| Viewing Satellites | 2/8/2009 |
Q: i live in the north east of england ican see a satellites light in the evening sky can you tell me ...
A: Anglians most likely saw Venus or the ISS (International Space Station) in the evening sky the last ...
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| Moon Landing Hoax | 2/2/2009 |
Q: In 1969 they just came out with the video camera. Im wanting to know how we got video footage of it ...
A: The television camera was invented in 1926. The first successful broadcasting of video (no "cords") ...
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| Moon Landing Hoax? | 1/7/2009 |
Q: A Bulgarian friend of mine is convinced that the moon landing in 1969 was staged. Could you please ...
A: There is a group that constantly tries to disprove the Moon landings. Yes, perhaps backup ...
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| Velocity of the Shuttle | 12/31/2008 |
Q: What is the space shuttle velocity when just ten feet, 100ft. 200ft. 500ft. ect. off the ground? ...
A: The mathematics for your question is well described at ...
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| Nibiru | 12/28/2008 |
Q: I would really like your insight into the "Planet X" or "Nibiru" claims going around at the moment, ...
A: While there are undiscovered objects in our solar system, "Nibiru" is NOT one and you are being ...
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| Asteroid Impact #4 | 12/22/2008 |
Q: again. Well the conflicting things I have read are generally about the threat of asteroids and there ...
A: I am pleased that you feel a bit safer now and trust that astronomers have a good overview of what ...
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| Asteroid Impact #3 | 12/21/2008 |
Q: I have been reading alot about the threat of asteroids recently and have become very worried about ...
A: We must resolve this. ... can you please submit quotes or names with your query? I see no activity ...
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| Asteroid Impact #2 | 12/21/2008 |
Q: I have been reading alot about the threat of asteroids recently and have become very worried about ...
A: yes, less warning but no, that chance is one in a million and that chance every few thousand years! ...
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| Asteroid Impact #1 | 12/20/2008 |
Q: I have been reading alot about the threat of asteroids recently and have become very worried about ...
A: There are no conflicting opinions about asteroids among scientists, perhaps just in Hollywood. They ...
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| Life in Space and UFOs (Part 2) | 11/14/2008 |
Q: During our exploration of space, has there been any sign of intelligent life outside of Earth? I ...
A: The religious approach to UFOs is so very logical to me. I also saw a UFO in 1978 on the coast of ...
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| Beyound the Universe | 10/25/2008 |
Q: you were talking about how big the universe was and you compared it to a balloon right? so my ...
A: I expect there may be other universes beyond ours but if we believe in creation or the big bang ...
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| Beyound the Universe | 10/18/2008 |
Q: you were talking about how big the universe was and you compared it to a balloon right? so my ...
A: Either you are confusing me with someone else or I have a very bad memory. A link to the quote would ...
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| Generating Electricity in Space | 10/13/2008 |
Q: My son recently asked me about a space shuttle mission in which an experiment was conducted to ...
A: Your son is asking about the "Tethered Satellite System" experiments designated "TSS-1" and "TSS-1R" ...
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| Space Tourism | 10/10/2008 |
Q: what are the advantages and diadvantages of tourism space
A: I do not recognise any disadvantages of space tourism or of space travel generally. Some may argue ...
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| Apollo Launch Umbilical Tower (LUT) | 9/21/2008 |
Q: What happened to the gigantic red skeletal structures (called the LUT, or Launch Umibilical Tower) ...
A: The three towers were put aside after the Apollo Program ended. The two launch pads 39A and 39B were ...
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| Layers of the Atmosphere | 9/11/2008 |
Q: Sir, How many layers of atmosphere are present? kindly name them. thank you
A: The atmosphere is of a complicated structure and of unlimited layers. The very basic layers are: - ...
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| Space Exploration Subjects | 9/2/2008 |
Q: I was wondering if you could give me some suggestions for a more specific topic in this area or a ...
A: Some interesting current topics: - "Orion", the new space capsule - "SpaceX" and other private space ...
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| Space Exploration Disadvantages | 8/10/2008 |
Q: Are there many disadvantages of space exploration?give examples please.
A: To answer this one could also ask in the year 1400 if ocean exploration had disadvantages? For those ...
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| Advantages of Space Exploration | 4/16/2008 |
Q: What are some advantages and disadvantages of space exploration? Can you give me some helpful ...
A: If you think of all the advantages that world exploration brought in the 14th to 18th centuries you ...
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| Moon Landing Development | 4/11/2008 |
Q: I should do one project about the technological development in landing on the moon.Can you please ...
A: This is not really a question... should I brows for you? Thousands of scientists worked on the ...
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| Manned Moon Landings | 2/28/2008 |
Q: how many times did man landed in moon and when?
A: Six Apollo missions (Apollo 11, 12, 14, 15 & 16) landed men on the moon. For each mission one ...
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| Artificial Gravity | 2/25/2008 |
Q: to create a gravity like effect on a space craft, how fast would it have to spin round, and if you ...
A: To create gravity artificially depends not only on the speed of rotation but also on the distance ...
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| Gold Foil | 2/21/2008 |
Q: What is the gold colored fiol that is wraped around the lega of the LEM? I also see it on satllites ...
A: You almost got me here, I have heard such little about the foil and find no proper references to it ...
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| Space Tourism | 2/5/2008 |
Q: This is an odd one. People have been trying to do-it yourself into space for years.. What is the ...
A: Fantastic Question Brandon! In the 1800's only government sponsored ships got voyages In the 1900's ...
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| Voyager 1 | 2/3/2008 |
Q: where is voyager one,How many miles from earth?
A: Voyager 1, launched in 1977 is today 9,826,843,540 miles, almost 10 billion miles, from the Earth. ...
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| Space Trends | 1/24/2008 |
Q: my name is Rebecca and am looking for someone who is a passionate space follower who could possibly ...
A: I have not forgotten you, am so very busy. By 2013 private trips into space will be common, the ...
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| Space Trends | 1/23/2008 |
Q: my name is Rebecca and am looking for someone who is a passionate space follower who could possibly ...
A: There are a lot of professionals in the space industry around the globe but you have found me, a ...
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| The Light Year | 1/21/2008 |
Q: 1 light year = ? (how much distance) The plannet mars is how many light years long from earth ?
A: The "light year" is a measure of distance used by astronomers and other scientists when describing ...
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| Traveling into the Future. | 1/2/2008 |
Q: Since I am confused about this matter, my question may not be very clear so I hope you can ...
A: I don't know exactly either. There is no need to be confused about this because it is part of very ...
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| Orbits | 12/31/2007 |
Q: If an object in high orbit (assume zero atmospheric drag) slowly and constantly had mass added to it ...
A: Nothing will happen! Good question, I had to think twice about it. Adding mass to an object in space ...
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| Planet X | 12/30/2007 |
Q: I read where NASA discovered Planet X in Dec. 1983 with the IRAS telescope. The story was published ...
A: Be assured, another Planet X and others exist. Yet, the definition of a planet was changed recently ...
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| Colonization Missions | 12/20/2007 |
Q: I was wondering if there are any missions directed at finding another planet able to carry humans?
A: The past space missions have not been only realized to discover more about our solar system and how ...
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| Floating in Space | 12/12/2007 |
Q: Why, when watching videos of space vehicles in flight, do they appear not to be moving? Also, why ...
A: [I found this unanswered question in a pool and will try answer it now for the other experts] When ...
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| Longest Space Flight | 12/11/2007 |
Q: What is the longest mission too take place ever?1yr?2yrs?3yrs?
A: [I found this in a pool of unanswered questions. It is a difficult question but I will try my best] ...
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| Space Quiz Question | 12/3/2007 |
Q: What space exploration topics start with the letter X ?
A: [I picked this unanswered question up from the pool and hope a late answer is still useful!] X ...
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| Brightest Planet | 11/28/2007 |
Q: what is the brightest planet?
A: The brightest planet as seen from our Earth is Venus. It's magnitude varies incredibly though to a ...
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| "New Horizons" Mission | 11/23/2007 |
Q: I was wondering what will New Horizons do when it gets to Pluto. Will it do a lot of things that ...
A: This is an exiting mission to Pluto-Charon and then on to the Kuiper Belt because we believe that ...
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| Hubble Telescope / Friction in Space | 9/3/2007 |
Q: what are some advancements made by the hubble telescope? when a rocket reaches escape velocity why ...
A: 1) For the Hubble telescope there is no distortion of light due to the atmosphere and so it has ...
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| Bees: Colony Collapse Disorder | 9/2/2007 |
Q: I'm not sure if this is the right place to ask this question but it's the closest I could find.I've ...
A: [I have combined the last two questions here] I remember reading a copy of that article somewhere: ...
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| Year 20xx | 9/2/2007 |
Q: I'm not sure if this is the right place to ask this question but it's the closest I could find.I've ...
A: You are quite right that the technology of man is destroying the Earth. The next big breakthroughs ...
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| 2013 | 9/1/2007 |
Q: I'm not sure if this is the right place to ask this question but it's the closest I could find.I've ...
A: [This is the right place to ask any question because most of us have similar thoughts or ideas. ...
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| Methane on Titan | 8/29/2007 |
Q: There is methane on titan and we sent a lander there. The planet is so cold that the methane is in ...
A: You are correct, there is not enough oxygen in Titan's atmosphere for the Methane to be ignitable. ...
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| Heat Shields for Mars? | 8/7/2007 |
Q: Entering Mars atmosphere,will flames come from the bottom of any space craft, as they do when ...
A: Yes, while outer space is near perfect vacuum, Mars has a thin atmosphere. When space craft pass ...
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| Retrograde Satellites | 7/25/2007 |
Q: Can a Satellite rotate in a different direction or do they only follow the direction in which the ...
A: You might also ask: can a satellite be launched into orbit against the earth's rotation, ...
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| Cost of Propellant | 4/3/2007 |
Q: I have a question from one of my students i can't answer - what's the approximate cost of AP ...
A: ... Hi Andrew, as suggested previously, please contact your local rocketry club or one of the ...
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| Spaceship Propulsion | 4/1/2007 |
Q: I am hoping you will be able to answer this perhaps unasked question. Lets say there are 2 ...
A: Derrick, Thanks, you are quite right! If 4kg of fuel is needed to get 1kg payload into orbit then ...
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| Life beyond Earth | 3/29/2007 |
Q: I want to know your opinion about my question. My question is,"Is there life besides Earth?" ...
A: Yes, simple life exists beyond Earth. The skeleton of a worm-like organism was recently found in a ...
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| Spaceship Propulsion | 3/28/2007 |
Q: I am hoping you will be able to answer this perhaps unasked question. Lets say there are 2 ...
A: [Thanks for this very difficult question. This is what I am very interested in too. This is open to ...
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| Life besides Earth | 3/26/2007 |
Q: I want to know your opinion about my question. My question is,"Is there life besides Earth?" ...
A: I found this question unanswered in a pool too, thanks for your patience and asking me directly. In ...
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| Moon | 3/21/2007 |
Q: why don't we see the moon at all times?
A: We don't see the moon all the time because it is revolving around the earth (once a month). Further, ...
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| Light and Mass | 3/20/2007 |
Q: if light speed is constant with light ( which i believe has no mass) what happens if you could get ...
A: [I found this question un-answered in a pool and give a comment below. Please rate my answer but do ...
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| New Missions? | 3/17/2007 |
Q: why have we not really done much since the lunar landings? almost 40 years have past and we have not ...
A: [I found this question in our "pool" and do not know why it was not answered. Please rate my answer ...
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| Cost of Propellant | 3/15/2007 |
Q: I have a question from one of my students i can't answer - what's the approximate cost of AP ...
A: [I found this un-answered question in our new "pool" system and will try help. I do not know why it ...
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| Space Resources | 2/22/2007 |
Q: I've read that Saturn's moon, Titan is rich with hydrocarbons. If fact it's supposed to rain ...
A: [These questions were found in our new "pool" system. I do not know why this remained un-answered ...
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| Outer Space | 2/1/2007 |
Q: The term "space" in reference to say, a keyboard, is loosely defined as a blank area in which to ...
A: "Space" is a way of describing dimensions in our universe. "Outer Space" is that volume between ...
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| Gravity | 1/22/2007 |
Q: In space shows and the movies gravity seems to take place when the cabin is pressurized. i argued ...
A: You are on the right track. There are gravitational forces in outer space but they are extremely ...
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| Spacecraft | 1/5/2007 |
Q: Which spacecraft has flown the furthest from earth?
A: Voyager 1 was launched in 1977 and is travelling at 17.000 km/s, is now 101.000 AU's from the sun, ...
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| STS-1 Launch | 9/19/2006 |
Q: who was the voice of the space suttle launch control when columbia made the sts-1 flight in 1981
A: [I found this question in a "pool" today as not or incorrectly answered. The pools at ...
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| UFO's | 9/14/2006 |
Q: I am 39 years old next month and I know very little about space, and propulsion and so on – but I am ...
A: [I found this question in a "pool" last week and could answer all the questions bit-by-bit over the ...
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