SOLAR SYSTEM

UNIVERSE

SPACE EXPLORATION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
PART A:What is one central idea that is developed in the passage?
A
Robonauts can work more efficiently than astronauts.
B
Use of robonauts will replace astronauts in space travel.
C
Robonauts can make more reliable decisions about spacecraft maintenance than humans.
D
Use of robonauts will allow space exploration to exceed what humans alone can do.
Explanation: 

Detailed explanation-1: -A Robonaut is a dexterous humanoid robot built and designed at NASA Johnson Space Center in Houston, Texas. Our challenge is to build machines that can help humans work and explore in space.

Detailed explanation-2: -Robonaut is a NASA robot. Engineers designed Robonaut to be humanoid, which means it is built to look like a person. This makes it easier for Robonaut to do the same jobs as a person. Robonaut could help with anything from working on the International Space Station to exploring other worlds.

Detailed explanation-3: -Robot helpers can make space safer for astronauts, and they can take over some of the boring or difficult jobs that astronauts do as well. With this in mind, Robonaut 2 was designed by NASA to work alongside humans in space.

Detailed explanation-4: -Robots don’t need to eat or sleep or go to the bathroom. They can survive in space for many years and can be left out there-no need for a return trip! Plus, robots can do lots of things that humans can’t. Some can withstand harsh conditions, like extreme temperatures or high levels of radiation.

Detailed explanation-5: -“R2’s arms and hands have a jointed skeleton similar to a human, ‘’ said Marty Linn, GM principal robotics engineer, “although the thumbs have four degrees of freedom, almost like a human.” It is widely believed that the opposable thumb was one reason why early humans could develop the ability to use tools.

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