Sentences with phrase «atoms fluoresce»

The ionized atoms fluoresce in the laser light; the distance between the ions is approx. 10µm to 20 µm.

Not exact matches

And some of those iron atoms would thereupon fluoresce, emitting X-rays of their own — not over the whole band this time but at a single precise line in the energy spectrum: 6.4 kilo - electron volts, which is the energy an electron loses when it falls from one shell in an iron atom to a lower one.

Those atoms then fluoresce at the same wavelength to create five artificial stars, each about 1 arcsecond across, at the corners and center of a 1 - arcminute square.

And some of those ironatoms would thereupon fluoresce, emitting X rays of their own — not overthe whole band this time but at a single precise line in the energyspectrum: 6.4 kilo - electron volts, which is the energy an electronloses when it falls from one shell in an iron atom to a lower one.

The associated charged particles ionise atoms in the atmosphere, causing them to fluoresce.

When the cloud is so cold its atoms no longer fluoresce, it becomes invisible to the naked eye.