Latest activity Postings Featured content About Trophies
-
-
CChrisA replied to the thread Is there life out there? The existence of other technological species is highly likely.The Drake equation would be usfull, but you have to also run the "error bars" or uncertainty through it. This way don't just get that...
-
CChrisA replied to the thread What time is SpaceX's Starship Flight 8 launch on March 3?.Yes, 100%. They will never catch a manned ship with a crew inside using chopsticks. Doing the water-abort is not an option with a crew...
-
CChrisA replied to the thread Croatia's 1st satellite captures its first views of home (photo).This is a link to the exact camera they are using. https://4dsystems.com.au/products/ucam-iii/ You have to remember that the entire...
-
CChrisA replied to the thread I want to believe — but yet another massive search for alien technosignatures just turned up nothing.There is a major flaw in the whole concept of listening for a techno-signature. It assumes there would be massive energy leakage. If...
-
CChrisA replied to the thread I want to believe — but yet another massive search for alien technosignatures just turned up nothing.Yes. Both are looking for confirmation of a belief that is not based on reason. So many people want Star Trek to be true or for...
-
CChrisA replied to the thread City-killer' asteroid 2024 YR4 could hit the moon instead of us, scientists say.And by your argument, if I stood on a sheet of newspaper I could see farther. Everyone knows that if you are taller you can see...
-
CChrisA replied to the thread I want to believe — but yet another massive search for alien technosignatures just turned up nothing.Negative results are still "Good Science". What we are learning or have learned is that technological civilizations are at least...
-
CChrisA replied to the thread Boom Supersonic's XB-1 jet breaks sound barrier 3 times on final test flight (video, photos).People are asking why the test program ends so early. I think because the entire point of the test flight was to validate the company's...
-
CChrisA replied to the thread Perseverance Mars rover finds 'one-of-a-kind treasure' on Red Planet's Silver Mountain.Can a 2026 version of Starship land with any payload mass, or would the ship have to be empty? If we wait some years we will have a...
-
CChrisA replied to the thread Perseverance Mars rover finds 'one-of-a-kind treasure' on Red Planet's Silver Mountain.Yes. Starship just might have enough capability to take an actual payload to Mars. It would be harder to land with the added weight...
-
CChrisA replied to the thread Trump wants the US to land astronauts on Mars soon. Could it happen by 2029?.We can easily guess where the idea of sending people to Mars in 2029 comes from. Elon Musk clearly wants a huge contract with NASA to...
-
CChrisA replied to the thread Trump wants the US to land astronauts on Mars soon. Could it happen by 2029?.The big problem with the 2029 date is the Earth-to-Mars launch windows. No matter how much money you have, you can only launch to Mars...
-
CChrisA replied to the thread Beam me to the stars: Scientists propose wild new interstellar travel tech.This idea only works if somehow the space probe can store the energy from the beam and then convert the stored energy to thrust. The...
-
CChrisA replied to the thread Beam me to the stars: Scientists propose wild new interstellar travel tech.But we are talking about a spacecraft that is powered by an electron beam. We have to assume there is some like oc beam receiver that...
-
CChrisA replied to the thread Beam me to the stars: Scientists propose wild new interstellar travel tech.Let's assume this works. What happens if there is a tiny spec of dust ahead of the spacecraft's path? The dust would hit the...
-
-
Loading…
-
Loading…
-
Loading…
-
Loading…
Facebook
Twitter
Instagram