Nightly News   |  October 07, 2013

Astrophysicist critiques ‘Gravity’ movie

Neil deGrasse Tyson, who runs the Hayden Planetarium in New York, tweeted a few tweaks to the filmmakers over the weekend. NBC’s Brian Williams reports.

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>>> the new movie "gravity" is off to the biggest october opening in film history . reviewers agree it is a remarkable film achievement in 3-d and imax to boot. when the reviewer is an astro physicist with a twitter account, look out. dr. tyson tweeted things like nearly all satellites orbit east-west -- orbit earth west to east yet all satellite debris orbited east to west . he also said this. mysteries of gravity, why sandra bullock 's hair in otherwise convincing zero g scenes didn't float freely on her head. and why is bullock, a medical doctor , servicing the hubble space telescope . to the rest of us it's a cool movie about