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| Subject | Date Asked | Expert |
| Pluto | 1/31/2012 | Rangutan |
| Q: What is the distance earth to pulto A: I think you mean Pluto, not Pulto? Pluto is a dwarf planet smaller than our own Moon. It has an ... | ||
| Solar Storm | 1/24/2012 | Kenneth Renshaw |
| Q: Kenneth! My question is simple about today's burning issue of NASA. What is Solar Storm? Please tell ... A: Arslan, thanks for writing. A solar storm is a huge flame of gas exploding out of the Sun. It is ... | ||
| Hawking's radiation | 1/11/2012 | Tom Whiting |
| Q: What are Hawking's radiations? Is there a proof of it? Or it's just a theory? Does Hawking's ... A: A thermal emission at the quantum level at the event horizon of a black hole. Can be demonstrated ... | ||
| Are this astornaut predispositions for real? | 1/7/2012 | Tom Whiting |
| Q: I once read in the newspapers that to be an astronaut you must not have a tattoo because it starts ... A: I can only speak for USAF flight school from back in the mid-1960's, however I believe there has ... | ||
| space elevator | 1/4/2012 | Tom Whiting |
| Q: Tom, I have seen several descriptions of proposed future space elevators on various science shows on ... A: With a straight line cable, you'd already be traveling close to 17,500 mph (relative to the Earth's ... | ||
| space elevator | 1/4/2012 | Tom Whiting |
| Q: Tom, I have seen several descriptions of proposed future space elevators on various science shows on ... A: Yes, I believe it's exactly 22,236 miles high, and it's a geostationary orbit, not a geosynchronous ... | ||
| space elevator | 1/4/2012 | Tom Whiting |
| Q: Tom, I have seen several descriptions of proposed future space elevators on various science shows on ... A: I'm not up on the latest design of space elevators, but I believe there would have to be a ... | ||
| Galaxy | 1/2/2012 | Tom Whiting |
| Q: Sir, is it true that all stars including sun are following an orbit? If it is, what is the force ... A: Well, it's a combination of ALL the baryonic mass, including the central black hole, plus the ... | ||
| Galaxy | 1/1/2012 | Tom Whiting |
| Q: Sir, is it true that all stars including sun are following an orbit? If it is, what is the force ... A: Yes, it is true. It takes the sun (and all stars in our surrounding neighborhood) about 250 million ... | ||
| Hawking's Radiation | 12/30/2011 | Rangutan |
| Q: What are Hawking's radiations? Is there a proof of it? Or it's just a theory? Does Hawking's ... A: Hawking radiation theory supposes that heat emitted by black-holes similar to that by a black body. ... | ||
| Limits of Galaxy | 12/30/2011 | Tom Whiting |
| Q: What are the limits that defines a galaxy's boundary? How do we know that a certain galaxy ended? ... A: Well, the "edge" of a galaxy is a little nebulous or fuzzy, just like... where is the "edge" of a ... | ||
| doubt | 12/30/2011 | Tom Whiting |
| Q: sir, yesterday while i waS observing the moon through my telescope i observed a small tiny ... A: Karthik, Color is occasionally observed on the lunar surface, see ... | ||
| re-entry | 12/23/2011 | Tom Whiting |
| Q: Tom, My understanding of controlled re-entry of space capsules such as Apollo, is that they were ... A: Not really my speciality, but.... This all comes under the field of Orbital Mechanics, and ... | ||
| Space Colonization Theories | 12/20/2011 | Tom Whiting |
| Q: I am a Psychology/Sociology undergrad doing research on long term colonial isolation. I was hoping ... A: not exactly my field, so I just Googled Space colonization books, and came up with ... | ||
| Constellation Project | 12/19/2011 | Tom Whiting |
| Q: could you please tell me what the Constellation Project is? And why President Obama cancelled this ... A: I only know what I read on the internet about it... see ... | ||
| Space Exploration | 12/7/2011 | Kenneth Renshaw |
| Q: 1) What are some discoveries from space exploration(e.g. scientific, medical)that you feel have most ... A: Michael, thanks for writing. To answer 1) would just about require a book. Some things that have ... | ||
| Space Exploration | 12/7/2011 | Tom Whiting |
| Q: 1) What are some discoveries from space exploration(e.g. scientific, medical)that you feel have most ... A: Too numerous to mention, see spinoffs at http://www.mrsciguy.com/documents/spaceprog.doc Also we can ... | ||
| rocket | 11/23/2011 | Kenneth Renshaw |
| Q: why cant we use a propeller along with a rocket engine , if we use it the resultant velocity will be ... A: A propeller can only be used when there is air for the propeller to move. Rockets are mainly used ... | ||
| rocket | 11/23/2011 | Tom Whiting |
| Q: Why cannot one use the phenomenon of air pressure to make the rocket take off using propellers (i ... A: Planes "work" on Bernoulli's principle of airflow over a curved wing, thus developing lift. The ... | ||
| rocket | 11/22/2011 | Tom Whiting |
| Q: Why cannot one use the phenomenon of air pressure to make the rocket take off using propellers (i ... A: Don't you need an engine to drive the propeller? If your rocket is small and less than 50 ... | ||
| SPACE EXPLORATION | 10/20/2011 | Tom Whiting |
| Q: Hi i'm matt and im 10 yrs. old. I have a science test in a couple of days. Can u tell me the ... A: A lot of it is 'matter of opinion'. One disadvantage is that it is very expensive, so typically ... | ||
| Time- 4th dimension | 10/19/2011 | Kenneth Renshaw |
| Q: Kenneth I have seen so many space programs and videos to say that the "Time" is the 4th dimension. ... A: Saravana, thanks for writing. It is difficult to visualize time as the fourth dimension, since we ... | ||
| Mars Surface Conditions | 9/4/2011 | Tom Whiting |
| Q: How hot is it on Mars? Could People Live on Mars with Space suits, helmets and such? A: I've read where on the equator in summer, it might get up to 40 or 50 degrees F. Dropping off to ... | ||
| space scientist | 8/20/2011 | Kenneth Renshaw |
| Q: sir,i am doing my b tech in cse at present.as i am completely interested in space exploration or ... A: Since it depends on what area of space science you wish to enter and I am unfamiliar with your ... | ||
| Space | 8/9/2011 | Kenneth Renshaw |
| Q: I've the following questions: 1. Can (and if yes, how)the secrets of black holes be linked to the ... A: 1. I think the magnificence of the universe itself is proof of the existence of God. I am not sure ... | ||
| God matters | 8/9/2011 | Tom Whiting |
| Q: I've the following questions: 1. Can (and if yes, how)the secrets of black holes be linked to the ... A: I don't know... never thought about it. Isn't that more of a theological question as opposed to a ... | ||
| Alpha century | 8/6/2011 | Kenneth Renshaw |
| Q: Alpha century is the closest star to the sun, right? So how come we can't see it as the brightest ... A: Not as massive as the brighter stars (those that are actually brighter from a set distance. The ... | ||
| Safety Effects of Space Exploration | 8/6/2011 | Kenneth Renshaw |
| Q: I am a student in senior high school currently studying whether the funding for space exploration is ... A: Emily, thanks for writing. As far as safetly impacts of space exploration, about the only danger I ... | ||
| Alpha century | 8/2/2011 | Kenneth Renshaw |
| Q: Alpha century is the closest star to the sun, right? So how come we can't see it as the brightest ... A: Sora, thanks for writing. There are 2 things that determine the brightness of a star-its distance, ... | ||
| STL or FTL travel | 7/13/2011 | Tom Whiting |
| Q: I am curious as to whether Nasa or any other space organisation in the world is doing serious ... A: The Planetary Society, founded in 1980 by Carl Sagan... keeps up on all that stuff and is the ... | ||
| ISS | 7/13/2011 | Kenneth Renshaw |
| Q: Where can I find by specific date/time of iss flight path/visibility? I tried a NASA website with no ... A: Josh, thanks for writing. I am not sure about a site to find out about a past date, but this one ... | ||
| fourth dimension | 7/1/2011 | Tom Whiting |
| Q: What is the fourth dimension, and who or what exist in the fourth dimension? A: In normal physics, time is considered to be the 4th dimension. What exists there? Presumably the ... | ||
| Space Exploration/propellant | 6/6/2011 | Tom Whiting |
| Q: On 1/23/2003, Expert Jim Glass posted on AllExperts: "By way of answering, I'll ask another: what ... A: Yes, you are correct for sucrose, or common table sugar, mole wt 342 approximately. The drawing of ... | ||
| shuttle abolished? Obama's budget cuts? | 5/31/2011 | Kenneth Renshaw |
| Q: first time using this service. Short, simple but important question. Do you know of any pending ... A: Current work is on manned missions to the asteroid belt, and, eventually, Mars. Not sure of the ... | ||
| Voyager probes | 4/29/2011 | Kenneth Renshaw |
| Q: NASA is reporting that the Voyager space probes "have traveled to the edge of the solar system and ... A: Although the Sun's gravity is in control of the distant Oort cloud, the definition used by NASA is ... | ||
| meteorite | 4/23/2011 | Tom Whiting |
| Q: Could you give me information on how meteorites are formed and their components as well? A: The entry body is called a meteoroid in space (or asteroid if of a bigger size) before it enters our ... | ||
| Position of stars | 4/20/2011 | Tom Whiting |
| Q: I used to see three stars in a row. A few days after full moon, they disappear. After three-four ... A: Yes. That's exactly the method used to discover our Milky Way's 3 million solar mass supermassive ... | ||
| Space Research | 4/20/2011 | Kenneth Renshaw |
| Q: Please answer the following: How vast is the universe? How much has been explored? Are there any ... A: Abhishek, thanks for writing. To answer these, The universe is possibly infinite, but is at least ... | ||
| Space Science | 4/20/2011 | Tom Whiting |
| Q: Please answer the following: How vast is the universe? How much has been explored? Are there any ... A: Depends on your definition of the Universe... if just the matter, then the Universe has a radius of ... | ||
| Position of stars | 4/17/2011 | Tom Whiting |
| Q: I used to see three stars in a row. A few days after full moon, they disappear. After three-four ... A: Yes, 12 hours later the other side of the Earth is seeing basically the same sky that you see right ... | ||
Answers by Expert:
Top Expert on this page
I can answer most questions about space flight and planetary exploration from an astronomy standpoint, but not from a computer or electronics standpoint. No astrology questions please, or questions about alleged UFO identifications.
Astronomy, my main catagory, has been my hobby and pastime
for over 50 years. Taught astronomy and meteorology at the University
level for over 13 years.
Organizations
President- Erie County Mobile Observers Group for over 15 years.
Also on allexperts.com astronomy catagory for over 8 years.
Publications
Astronomy Technology Today
and also wrote the "Over Erie Skies" column in our local newspaper
for 11 years.
Education/Credentials
BS Metallurgical Engineering Grove City College, PA
Master's Degree, Gannon University, Erie, PA
Also retired USAF pilot, 20 years.
Awards and Honors
Discoverer of the mini-coathanger asterism in Ursa Minor;
also the mini-dipper asterism up in the bowl of the Little Dipper.

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