Review the social media post.
A post by NASA reads, "Potato-looking Martian moon Phobos may hold clues to Mars' ancient past in its soil, new research shows: go.NASA.gov/3cA1Vbm." Below is a photo of the moon.
Why is this source reliable?
It has more than 1,000 shares.
It has more than 9,000 likes.
It links to a government source.
It shows the date it was posted.