Q: Looking directly at what celestial object can cause blindness?


Read this paragraph and choose the correct option from the provided answers:

The Sun has many incredible surface features. Don't try to look at them, though! Looking directly at the Sun can cause blindness. Find the appropriate filters for a pair of binoculars or a telescope and enjoy!.

 Choices:

- Moon

- earth

- Haley's Comet

- sun


A:
sun