China launches ambitious Tianwen-1 Mars rover mission

Apr 7, 2020
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Congrats to China I hope their mission is successful.
One question... will our two countries rovers be required to maintain social distancing?
 

WDD

Jul 23, 2020
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The Tianwen-1 mission launched atop a Long March 5 rocket from Wenchang Satellite Launch Center early this morning (July 23), kicking off a seven-month cruise to Mars.

China launches ambitious Tianwen-1 Mars rover mission : Read more
I notice the weight of a given object is given in numerous articles, but I wonder what that really means. If Mike Wall, in his article on the Chinese Mars orbiter and rover, https://www.space.com/china-tianwen-1-mars-mission-launch.html for example, gives the weight of the rover as 530 pounds, is that 530 lbs. on Earth, or on Mars?
 
Jul 23, 2020
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I notice the weight of a given object is given in numerous articles, but I wonder what that really means. If Mike Wall, in his article on the Chinese Mars orbiter and rover, https://www.space.com/china-tianwen-1-mars-mission-launch.html for example, gives the weight of the rover as 530 pounds, is that 530 lbs. on Earth, or on Mars?
gee, which weighs more? a pound of feathers, or a pound of gold?
530 lbs is 530 pounds where ever you are.
 

WDD

Jul 23, 2020
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gee, which weighs more? a pound of feathers, or a pound of gold?
530 lbs is 530 pounds where ever you are.
You're speaking in terms of mass (which has constant inertia); I'm speaking in terms of gravity, e.g., 100 pounds on Earth weighs 264 pounds on Jupiter.
 

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