Astronomers have only been able to speculate about the nature of black holes for many years. now astronomers have had their first glimpse at the mysterious region near a black hole at the heart of a distant galaxy. using astronomers were able to gain more information about black holes, by recording invisible wavelengths emitted from celestial bodies as well as these subatomic particles (pictured) jetting away from the black hole. a) space probes. b) radio telescopes. c) x-ray telescopes. d) satellite imaging.

B. radio telescopes

Explanation: Radio telescopes are used because of their ability to find radio-frequency radiation. This is perfect for finding black holes because it shows us the beautiful remains of a star as clouds that is called a supernova remnants and sometimes nebulae.

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the addition that would strengthen melissa’s thesis statement, both the dark game and the code book explain the importance of codebreaking, is :

main ideas of each book

melissa should discuss the main ideas of each book because these ideas will fully support her thesis statement. through these details, readers will also understand the importance of codebreaking that melissa referred to, which was inspired by the books.

plz mark me brainliest!

hope this !

explanation:

i think it is c. good luck!