3 ms·
About half of the 5% of regular (ie baryonic) Matter was missing from usual astronomical observations. Some hypothesized it took the form of warm-hot intergalac
by Robotbeat 6y ago
About half of the 5% of regular (ie baryonic) Matter was missing from usual astronomical observations. Some hypothesized it took the form of warm-hot intergalactic gas. This could in principle be detected by looking at the dispersion (ie slightly varying transit speeds of waves) through this gas of fast radio burst from distant galaxies, and we just found like five of these FRBs that showed dispersions that matched the predicted amount of baryonic warm-hot gas. Problem solved.
- CarbyAu 6y agoI like concise prose. It saves time and effort. Similarly, I am frustrated that videos come up as top hits for simple things. While a picture can say a thousand words, the point is communication, not verbosity.
- m12k 6y agoAmerican publishers, YouTube and newspapers all suffer from the same affliction of rewarding their content creators for how long they can keep their audience engaged, nudging the content creators toward bury the lede.
- solstice 6y agoSo that means we'll need a sort of magnetic snow-plow-like device for intergalactic travel to shovel all that hot plasma out of the way. Maybe it's easier to convert a whole planet into a starship to take advantage of its magnetic field... /s