Recent content by Gary

Black holes are the brightest stars in the sky. The only reason we can't see them directly is , their escape velocity is greater than the speed of light. I believe Black Holes have an "atmosphere" , a "crust" , a "mantle" and a "core". Their...

Well, i'm happy that Perseverance has landed (successfully) and is about to begin its mission of exploration. I believe Mars may have once had life on it . But i also don't think there's any now . So, i think Mars is ripe for human exploration...

My favorite space moment was when Apollo landed on the Moon in 1969. I was in the Army and stationed in Korea . The Army gave us the day off and we watched the events on live tv . It was fantastic .

Seems like a cute little thing . But just how practical is it ?

Before the cyclical universe is falsifiable , it must necessarily be verifiable .

If the Universe is indeed cyclical , how was the first one made ?

Lets say we're in outer space and we shoot a laser through a block of glass. What causes the speed of the laser light to return to the speed it held prior to entering the block of glass ? Is there some medium in the vacuum of space that governs...

If the universe is expanding , how can the speed of light be constant ( miles per second , if each mile is getting longer ) ? Can light's velocity be constant while the universe expands ? So, with the expansion of the universe , doesn't the speed of...