Recent content by Mrhelton

I think our known universe requires more than just a supermassive black hole to get its start. There are an estimated 1 trillion galaxies in our known universe and each with around 200 billion stars. It is no doubt much bigger than this. This does not happen from just one big bang. It would...

I agree with Sam and Hari. Doing an orbital mission to Mars is a waste of 4 years and has risk enough to redo that mission before landing. To significantly reduce risk, it is much better to focus on using the Moon for a landing mission. Treat the Moon as a little 'Mars'. Repeat several times...

My suggestion of the definition of a planet is: 1) It is approximately spherical by its own gravity. 2) It is in orbit around a star. 3) It has complexities either under its surface and / or ON and / or above its surface. Any presence of a liquid or gas in or on or around the body would show...

Yes, Mr. White, but how does JPL now consider the status of Pluto?

Hi Mr. White, Thanks for your reply, but you still did not answer my question. Does JPL now consider Pluto a full fledged planet since the NASA administrator does consider it one?

Very interesting, EjmMissouri. Just for reference here is what the administrator of NASA recently said about Pluto...

Hi Mr. White, As you may know, the NASA Administrator has reinstated Pluto as an official planet making it once again the 9th planet in our Solar System. Regardless whether this is just his personnel choice or an official NASA position, does JPL follow this direction or do they have their own...