Tag Archives: spacecraft

How Strong is the Signal from the Voyager 1 Spacecraft When it Reaches Earth?

Question: What is the signal strength in watts received by the VLBA that is transmitted from Voyager 1? I recall that Voyager 1 transmits at 22 watts and is nearly 20 billion km away, so how weak is the signal … Continue reading

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Why is the New Horizons Spacecraft Slowing Down?

Question: Why is New Horizons slowing down? I check it on line every day and its speed is constant. Today its losing speed.  — Tom Answer: I don’t know of any specific reason as to why New Horizons would have … Continue reading

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Advanced Rocket Propulsion Technologies for Long-Range Space Travel?

Question: Asking a theoretical question, in your own personal opinion what would be the most practical method of launching a probe to a nearby star (say, within 10 light years). Would our best bet to be launching a conventional chemical-rocket … Continue reading

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Advanced Deep Space Communications Methods

Question: I am seeking recommendations for learning about advanced deep space communication methods. I visited several libraries and found little about how we presently and are preparing for the future of super fast and high speed communication approaches, including encryption, … Continue reading

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How Far Can a Space Probe Go Before We Lose Contact With It?

Question: Hi, my name is Connor. I’m six years old. I’m doing this for my science fair project. I’m in kindergarten. How far can a probe go before we lose contact with it? Answer: The only limitation to how far … Continue reading

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Private Sector Space Programs

Question:  I am an undergrad student currently enrolled in an introductory astronomy class, and I’m doing research on space programs in the private sector versus federal sector. Would you mind sharing your thoughts on the topic? Do you think private/commercial … Continue reading

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How Do We Keep Our Space Probes From Contaminating Other Planets?

Question:  What are the chances of interplanetary space crafts, probes  and rovers carrying the air-borne bacteria and viruses and dispersing them in the target planet since they are made and assembled in earth? (Especially the rovers which landed on Mars … Continue reading

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Radio Frequency Recordings from the Planets

Question: Hello I am an experimental musician from Houston Texas. I have been searching for radio frequency recordings of the planets. Do you know if these exist? I have my mind set on attempting to compose a composition based on … Continue reading

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Disclaimer on Space Probes?

Question: Do satellites/telescopes/rovers designed to investigate other parts of the universe contain any disclaimer to future potentially intelligent species that the technology in question came from earth rather than wherever it could eventually be found so as not to confuse … Continue reading

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