infrared astronomy
The astronomical observation and study of objects, cooler than most stars, using the…The astronomical observation and study of objects, cooler than most stars, using the infrared part of the electromagnetic spectrum.
Meaning
1 senses(uncountable)The astronomical observation and study of objects, cooler than most stars, using the infrared part of the electromagnetic spectrum.
Word family
2 related wordsLessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable