Dr Tyson excluded Pluto from the American Museum of National History exhibit because it is considered an icy body and not a planet.
Originally, he identified Pluto as a comet from the Kuiper Belt of Comets, since its composition its mostly ice, and stated that if it came near the sun it would evaporate and grow a tail, an uncommon behavior for a planet.
Eventually, in the 1990s, icy bodies were found in the outer solar system, and the similarity between Pluto and them was evident. The conclusion was that both are made of ice, have similar strange orbits, and cross the orbit of other planets.
One key difference between the critical acclaim received by Edgar Allan Poe and that received by Stephen King is that acknowledgement of Poe's skill came primarily after his death, while King has received numerous awards during his lifetime.
What is the cause, and what needs to be brought?!
Answer: The poet employed the repetition of keywords when developing the speaker's perspective. Explanation: The poet, Dunya Mikhail employed the repetition of keywords in her poem titled, Bag of Bones.