Hera (spacecraft) | Wikipedia audio article
Channel: wikipedia tts
Date: 05/05/2019

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/AIDA_(mission)


00:01:53 1 Collaboration
00:03:41 2 Mission design
00:05:42 3 Proposed payload
00:07:33 4 Status
00:09:18 5 See also



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Voice name: en-US-Wavenet-B


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SUMMARY
=======
The Asteroid Impact and Deflection Assessment (AIDA) mission is a proposed pair of space probes which would study and demonstrate the kinetic effects of crashing an impactor spacecraft into an asteroid moon. The mission is intended to test whether a spacecraft could successfully deflect an asteroid on a collision course with Earth. The concept proposes two spacecraft: Hera (built by ESA) would orbit the asteroid, and Double Asteroid Redirection Test (DART) (built by NASA) would impact its moon. Besides the observation of the change of orbital parameters of the asteroid moon, the observation of the plume, the crater, and the freshly exposed material will provide unique information for asteroid deflection, science and mining communities.
Initially,  Hera's role was to be realized by a much larger spacecraft called Asteroid Impact Mission (AIM). In December 2016 the European Space Agency cancelled the development of the AIM spacecraft after Germany decided to fund the ExoMars project only. NASA has continued on with the development of the DART spacecraft, replacing AIM's role of monitoring the effects of the impact with ground-based telescopes.As DART is currently planned to launch in 2021, Hera would only arrive at Didymos a few years after DART's impact. To maximize scientific outcome, the AIDA team proposes to delay DART's launch so that Hera will arrive at the asteroid first, enabling it to witness DART's impact. While most of the initial objectives of AIDA would still be met if Hera arrives after DART, as a drawback data from direct observation of the impact and ejecta formation will not be obtained.