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Spacecraft have evolved significantly since their inception, transitioning from simple, one-time use vehicles to complex, reusable systems. Early spacecraft were primarily designed for single missions with limited functionality, while modern spacecraft incorporate advanced technologies like automation, AI, and modular designs that allow for multiple missions and adaptability. Additionally, improvements in materials, propulsion systems, and communication technologies have enhanced their capabilities, enabling longer missions and deeper space exploration. Overall, these advancements have revolutionized our ability to explore and understand the universe.

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1mo ago

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How is the speed of a spacecraft measured?

The speed of a spacecraft can be measured by tracking its position over time using instruments such as radar or GPS. The velocity of the spacecraft can then be calculated by determining the rate at which its position is changing. Additionally, spacecraft may use onboard sensors like accelerometers to measure speed and acceleration.


What was the first spacecraft to orbit another planet?

Mariner 9 took on that spacecraft's mission of mapping 70 percent of the Martian surface in addition to its own objective of studying changes over time in the Martian atmosphere and surface.


How is speed measured on spacecraft?

Speed on spacecraft is typically measured using instruments that track the craft's velocity relative to its starting point or to another reference point in space. This can be calculated using onboard sensors, such as accelerometers or radar systems, that measure the spacecraft's distance traveled over time. Speed can also be determined by tracking the Doppler shift in radio signals between the spacecraft and ground stations.


Why did astronomers ideas change over time?

Astronomers' ideas changed over time due to advancements in technology, which provided new tools for observation, such as telescopes and spacecraft. The development of the scientific method encouraged rigorous testing of hypotheses and the reevaluation of existing beliefs in light of new evidence. Additionally, the collaboration and communication of scientists across different cultures and eras facilitated the exchange of ideas, leading to paradigm shifts in our understanding of the universe.


How long does it take to get to the moon now?

It still takes the same amount of time if the spacecraft follows an orbital path.