1  have not been done because of their extreme faintness.

2                        However, due to their faintness and red colour, it has proven extremely challe

3 ved difficult to detect, owing to both their faintness and their anticipated similarity in colour to

4 en found at similar redshifts owing to their faintness at optical and near-infrared wavelengths.

5 ining had a higher frequency of dizziness or faintness during treatment (P=0.008).

6            Measuring threshold contrast (the faintness of a barely identifiable letter) as it improve

7                                 However, the faintness of any emission from these filaments has limit

8 ed with these absorbers due to the intrinsic faintness of the galaxies compared with the quasars at o

9 nal constraints on this epoch because of the faintness of those galaxies and the redshift of their op

10 mization, each volunteer completed a 4-week "faintness-of-heart" (FOH) test, during which she was req