Because they can't be seen because they have such a great mass that they don't let light out and can therefore not be seen.
"Observed" is a word that means something has been noticed.
Let me tell u something the answer is pairs.
An abstract noun names something that cannot be seen or touched.
No, the noun crimson is a concrete noun, a word for a dark, purple-red color.A concrete noun is a word for something that can be experienced by any of the five physical senses; something that can be seen, heard, smelled, tasted, or touched. A color can be seen.
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yes Let me ask this how in the world do you know unless he told you or you seen him naked in locker room or something.
Music or sound is something that can be heard but not seen.
No. Use "you saw something" or "you have seen something," depending on context
To describe something which can be seen, the word is visible. Something that can be felt is palpable. Something that can be touched is tangible.
Let's Do Something was created in 1987.
Something that connot be seen with the eyes alone is a protist??
The word you are looking for is "visible." Something that is visible can be seen with the eyes.
something that can be seen
Thoughts can be when you seen something or something that happened.
An observation is something you have SEEN, an inference is a logical conclusion drawn to EXPLAIN something you have seen/noticed..
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