Object 2: Hayabusa 2

May 28, 2021

Object 2: Hayabusa 2

Hayabusa 2 (image 2) is an asteroid explorer and was a successor of Hayabusa. It went on a six-year mission in 2014 to study and collect samples from asteroid Ryugu. It has delivered the samples to the Earth in December 20202. This object links to the prompt as it was based on the past knowledge obtained by the previous explorer.

One way in which this object enhances the exhibition is that it is an improvement from the earlier explorer, Hayabusa. There are parts of Hayabusa 2 which was created because of the problems occurred with Hayabusa. For instance, they decided to use solar pressure because their understating from Hayabusa led them to realise that when it was applied, it was more effective. Moreover, the improved antennas reduced the weight of Hayabusa 2 by 75% 3 as they gathered information from Hayabusa that heavier antennas can prevent an explorer from landing and taking off from the asteroid.

Not only the space craft itself but the samples collected by Hayabusa 2 will uncover many mysteries of origins of life. As the asteroid Ryugu is rich in Carbon, it may contain hydrated minerals and organic from 4.6 billion years ago4. This might answer the question of why the Earth is covered in water. Scientists’ previous interpretation on this fact was that it was due to the asteroids and the samples could be the evidence of that interpretation. Thus, the past knowledge is improved by the findings from the current understanding.

Therefore, Hayabusa2 is an example of improvement from past knowledge because if JAXA did not face difficulties with Hayabusa, they would not have been able to create the improved and successful explorer that Hayabusa2 became. They would also not have been able to gain an insight into the information regarding the evolution of planets.

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