Part A Why did people believe it would be impossible to view a black hole in space?

Black holes absorb light.

They are hidden by other objects in space.

Black holes are too far away.

They are too dangerous to approach.
Question 2
Part B

Which two sentences from the text best support the answer in Part A?

"Black holes can even pull light into themselves."

"Messier 87 is about 55 million light years from Earth."

"Since we need light to see, we cannot see black holes."

"A galaxy is a system of millions or billions of stars."

This temperature is on the order of billionths of a kelvin for black holes of stellar mass, making it essentially impossible to observe. Objects whose gravitational fields are too strong for light to escape were first considered in the 18th century by John Michell and Pierre-Simon Laplace.

Explanation:

which of the following was specifically permitted by the emancipation proclamation?

free african americans were allowed to fight for the confederacy.

free african americans were allowed to enlist in the union army and navy.

enslaved people in border states were allowed to move to the north.

enslaved people in border states were allowed to become confederate citizens.c rgf fy4tku6y htk6u jr jyt6