We experience the world through different senses: sight, touch, taste, hearing, and smell. Similarly, astronomers now study the universe using different messengers: light, particles, and space-time ripples called gravitational waves. They can learn much more about cosmic objects and events by combining information from multiple messengers than by using just one. Scientists call this approach multimessenger astronomy (Click Here)
The three carriers of information in multimessenger astronomy – particles, light, and gravitational waves – are shown in this illustration.
NASA’s Goddard Space Flight Center
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