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Mars and Earth - Small difference & big consequences

Einstein's theory of relativity suggests that time is not a constant and can vary based on gravitational fields and speed. In a strong gravitational field, time moves slower compared to a weaker one. Since Mars has a weaker gravitational field than Earth, time actually flows slightly faster there.  This concept has implications for future space missions, as the timing of communication and operation of spacecraft will need to account for this difference in how time elapses on Mars compared to Earth. Missions may need to adjust their schedules, operations, and technology to ensure accuracy and synchronization with Earth. Basically, the moment you bring gravity and velocity into the picture, time stops behaving like the simple, universal tick‑tock we experience in everyday life. And you’re absolutely right: Mars’ weaker gravity means clocks there run a little faster than clocks on Earth. What’s fascinating is how small the difference is—and how big the consequences become ...

SpaceX's Starship Super-Rocket

Elon Musk Takes the Long View in Glitzy Update on SpaceX's Starship Super-Rocket

SpaceX CEO Elon Musk finally gave us an update on how the development of the Starship and Super Heavy booster is going. During a presentation at the SpaceX Starbase facility in Boca Chica, Texas, Musk showed off a fully stacked up Starship and Super Heavy booster. He said the company is waiting on approval from the FAA and other government agencies to give them the green light to launch the spacecraft sometime in the next few months.

During the presentation, he talked about the challenges of developing the Raptor 2 engine (it tries to melt its combustion chamber) and the plans to construct a second Starbase at Cape Canaveral in Florida. Attendees were also able to see the enormous Mechazilla launch tower, which will catch incoming rockets with its chopstick arms.

Read the full story by Alan Boyle

Thanks!

Fraser Cain
Publisher
Universe Today

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This work is licensed under a Creative Commons Attribution 4.0 International License.

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