research

Hello everyone, my name is Andii and I am new here. I know this may not be a relatable question to ask, but I hope someone can help me. I have been searching for International/European and/or American astronomy and astrophysical research competitions for the past 5 months or so. I would like to...

I might be the first one to specify what a Black Hole is by its dimension. It's a round sphere as a planet or a star and is 99% to 100% perfectly a circle. How exact it is, is easier to tell with efficient comsmologic equipment. Most think it's just 100% flat. I don't know anyone to describe...

Sometimes I wonder we are alone in this cosmos? is there a place where universe ended or what is after that place because if we see as human imagination a place can't ended fully. for eg. if we ponder earth is a universe so there must be beyond it if not then nothingness is what not discovered...

I am wondering has anyone considered using an in space rail to accelerate objects? Say 100g acceleration along 1k miles of track to 100kmph, maybe?