The ... has produced many... spectacular images... But when you're floating... in space... how do you hold your position... How do you know... which … - Helen Czerski

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The ... has produced many... spectacular images... But when you're floating... in space... how do you hold your position... How do you know... which way you're facing? Hubble has six s, each... a wheel spinning... Conservation of angular momentum means that those wheels will [tend to] keep spinning... and the spin axis will stay pointed in... the same direction... The gyroscopes give Hubble a reference direction...

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About Helen Czerski

is a British physicist and oceanographer and television presenter. She is an associate professor in the department of mechanical engineering at . She was previously at the Institute for Sound and Vibration Research at the .

Also Known As

Alternative Names: H. Czerski
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Ocean scientists... who have read it said they learned lots of things. So there is this assumption that popular science books are for the people who don't know anything, and that is not true because the oceanographers know the oceanography, but they don't know the stories, and I think that the stories are worth it.

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I was on the Kilo Moana, out of Santa Barbara, on a preparatory cruise for a bigger one... [W]e were in... calm water off Santa Barbara and the Kilo Moana... has swath holes, so a very stable platform kind of a ship, more of a platform than a ship in some sense... [T]hat was the first time I'd ever... hung an instrument over the side... in order to try and measure something... [I]n the second cruise... I made a video of the cruise, like a... mini-documentary...

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