Panspermia is a fascinating hypothesis in astrobiology. The name is suggestive of a planet ejaculating debris into space that can one day seed other planets, and that’s rather an apt description. A more scientific definition would be the hypothesis that life exists throughout the Universe, distributed by asteroids, meteoroids and planetoids. Extremophiles And Panspermia Recently I wrote about extremophiles … Continue reading Panspermia: Are Planets Seeded With Life From Meteors, Asteroids and Planetoids?
If you tuned into the NASA organised teleconference this morning you may have heard some exciting news and answers to questions in relation to the satellite Planck. I was quite excited to be tuning in at 1am Australian time. I was also relieved to hear that it would be a one hour teleconference although due … Continue reading Planck – Our Observable Universe Gets Older
No one, not even the greatest scientific and mathematical minds, truly understands infinity. I prefer to think of it as a concept rather than a number, though given I’m no mathematician, my preference is of little consequence. It is interesting though to ponder the largest numbers and the subject of infinity. So let’s have at … Continue reading Infinity and Incomprehensible Numbers
Neuroscience is a way to unravel the mysteries of how our brains take in information through sensory organs and, filtered through one’s nature and nurture, is created into the world we perceive, or our internal map of reality. There’s long been a theory, never disproved, that we’re not simply brains in vats, with electrical impulses … Continue reading Do We Live In A Simulated Universe? Another Angle On The Brain In A Vat Theory