• No theory offers a satisfactory explanation of the observed facts.
• Explanations are offered in a few instances.
• This telescope has supplied a possible explanation for the ultraviolet "clouds".
• No theory offers a satisfactory explanation of the observed facts.
• Explanations are offered in a few instances.
• This telescope has supplied a possible explanation for the ultraviolet "clouds".
Циммерман М., Веденеева К.. Русско-Английский научно-технический словарь переводчика. Russian-English scientific dictionary for translators. 2012