• The photographer must estimate the distance to his object.
• Distant galaxies appear to be receding from us at a rate proportional to their distance .
• The photographer must estimate the distance to his object.
• Distant galaxies appear to be receding from us at a rate proportional to their distance .
Циммерман М., Веденеева К.. Русско-Английский научно-технический словарь переводчика. Russian-English scientific dictionary for translators. 2012