Perihelion of 3I/Atlas with respect to the Sun has arrived The day has finally arrived, the interstellar object 3I/Atlas has gained a lot of attention from the scientific community and the general public

It’s something that keeps on popping back into my brain in the last week. You know that whole conversation that maybe the universe is just this really elaborate simulation, with us humans just running

A Terra e o Sol (Fonte: Pixabay) A órbita da Terra ao redor do Sol não é circular, você sabe. A Terra, em seu movimento de translação ao redor do Sol, segue uma trajetória oval conhecida tecnicamente como

Given that my Perihelion essays and book reviews are no longer available online, I'm thinking of reposting more of them here at Steemit. If I do that, I'll also follow through on an idea that is now two

On January 3, 2009, at 18:15:05 hours (GMT) the first block of the Bitcoin block chain is generated. It is the Genesis block and it is at that moment exactly when the Bitcoin network starts to work. Six

2017 is almost done and gone, just a few more daze to complete things and put this orbit of Sol to rest forever. Actually 3rd of Jan (well Tuesday, January 2, 2018 at 9:34 pm PST in my time zone on the

Chet Gottfried you totally deserve first place! CONGRATULATIONS! ( The amazing Chet Gottfried, photographer, novelist, short story writer and contributor to Perihelion, shared some of his secrets for capturing