coronium 的定义
Astronomy.
- a hypothetical element once thought to exist because certain spectral lines in the emission spectrum of the solar corona could not be identified by known elements. These lines were subsequently found to be emitted by certain highly ionized metals.
更多coronium例句
- And the extreme strength of the lux metal fiber made it stronger, pound for pound, than steel or coronium.
- I myself believe that they were probably solid—in a way of speaking—coronium.
- The name “coronium” has therefore been given to the supposed gas which forms it.
- The spectrum of the corona showed few bright lines besides those of coronium and hydrogen.
- The slitless spectroscope showed the green line (coronium) and D3 (helium) in the coronal spectrum.