Daniel 12:3: those who lead many to righteousness will shine like what forever and ever?

Answer: The stars

"The wise will shine like the brightness of the heavens, and those who lead many to righteousness will shine like the stars forever and ever."

“Then the wise will shine like the brightness of the heavens, and those who lead many to righteousness will shine like the stars forever and ever.”— Daniel 12:3 (BSB)