2. Which choice best conveys a central idea of the passage?

Answer: D

Explanation:

The ability to view the broad spectrum of electromagnetic radiation has revealed the chaos of the universe

The passage emphasizes how advancements in telescope technology have allowed scientists to observe various forms of electromagnetic radiation, leading to the understanding of the chaotic nature of the universe. This exploration has unveiled a myriad of phenomena, including gamma-ray bursts and colliding galaxies, which exemplify the mayhem present in the cosmos.

A) Much of the light in the universe comes from invisible bands of electromagnetic radiation

While this statement highlights the significance of invisible light in the universe, it does not capture the full scope of the passage's focus on the chaos and complexity revealed by observing these bands. The passage is more about the implications of these observations rather than the quantity of light itself.

B) Telescopes have allowed humans to view many types of light, such as infrared and ultraviolet

This choice accurately reflects one aspect of the passage regarding the types of light made visible through advancements in technology. However, it lacks the depth of the central idea, which centers on the chaotic revelations about the universe rather than merely the types of light observed.

C) Some planets and stars provide more invisible light than visible light, which causes major disturbances

This option incorrectly focuses on specific celestial bodies and their light output rather than the broader implications of the technological advancements discussed in the passage. While it mentions disturbances, it does not encapsulate the overall chaos of the universe that the correct answer addresses.

D) The ability to view the broad spectrum of electromagnetic radiation has revealed the chaos of the universe

This choice directly aligns with the core message of the passage, which illustrates how the capacity to observe various forms of light has led to discoveries of tumultuous cosmic events. It encapsulates both the advancements in technology and the resulting understanding of the universe's chaotic nature.

Conclusion

Answer D is the most comprehensive choice, as it encompasses both the technological advancements that allow for the observation of the electromagnetic spectrum and the resulting insights into the universe's chaotic behavior. The other options either miss the broader implications, focus too narrowly, or misinterpret the relationship between light and cosmic phenomena, making them less suitable in conveying the central idea of the passage.