Which of the following shows ray BD?

Check the three points that are collinear.

I studied really, really hard for my upcoming exam

Who were the two mathematicians that predicted the location of Neptune?

What was one of Galileo’s significant observations?

What is the primary cause of the apparent daily motion of the Sun and stars in the sky?

What is Ceres classified as?

What primarily composes the terrestrial planets Mercury, Venus, Earth, and Mars?

What did Galileo’s observation of Venus’ phases support?

What is the approximate circumference of the Earth estimated by Eratosthenes?