By comparing the light from distant stars with the spectrum of light from our Sun it was noticed that the spectra from distant ... this phenomenon was termed 'redshift'. Figure caption, Lower ...
Upper limits were set on the latter, which are consistent with their abundance ratios to K and the observed strength of the K i resonance line λ7699, if the excitation mechanisms of all these three ...
In general, SNe are divided into two groups based on their atomic spectra: Type I (no hydrogen ... the galaxy JADES-GS+53.13485−27.82088, at a redshift of 2.9. Follow-up observations of SN ...