The question asks us to identify the sentence where the word "celestial" is spelled correctly. The word "celestial" refers to objects or phenomena belonging to the sky or outer space.
Let's examine the spelling in each option:
| Option Number | Sentence | Spelling Status |
|---|---|---|
| 1 | Celastial objects are not visible to the naked eye. | Incorrect. "Celastial" is a misspelling. |
| 2 | Kelestial objects are not visible to the naked eye. | Incorrect. "Kelestial" is a misspelling. The correct word starts with 'C'. |
| 3 | Celesteal objects are not visible to the naked eye. | Incorrect. "Celesteal" is a misspelling. |
| 4 | Celestial objects are not visible to the naked eye. | Correct. "Celestial" is the standard and correct spelling. |
| 5 | (This option is empty and thus invalid) | N/A |
The word "celestial" describes things related to the sky or space. Common examples include celestial bodies like stars, planets, and moons. Ensuring correct spelling is crucial for clear communication.
By comparing the spelling in each sentence with the standard English spelling, we find that only option 4 uses the correct spelling: "Celestial".