资讯

"The formation of planetary systems is not exclusive to stars but might also work around lonely starless worlds." ...
Astronomers may have found a rare intermediate-mass black hole outside galaxy NGC 6099—offering clues about how bigger black holes form.
Zimbabwe stopped short of free-floating its currency in the battle to end weeks of exchange rate volatility that has fueled the country’s latest economic turmoil.
The American Psychological Association defines free-floating anxiety as “a diffuse, chronic sense of uneasiness and apprehension not directed toward any specific situation or object.” ...
Free-floating planets (FFPs) are the lightest products of star formation and they carry important information on the initial conditions of the environment in which they were formed.
“If free-floating planets formed like stars, then we would have expected to see only one or two of them in our survey instead of 10,” Bennett said.