SUBJECT: ASTRONOMY -- TOPIC: Time Dilation Find the time interval measured by your stationary watch if your friend’s watch measures 1.0 year while she is traveling at 0.87c aboard a futuristic interstellar rocket.

You can determine if the ship is moving by lying down and measuring your height.

Explanation:

a high pressure system is a dense air mass that is usually cooler and drier than the surrounding air. a low pressure system is a less dense air mass that is usually wetter and warmer than the surrounding air.

in general, areas that experience high atmospheric pressure also experience fair weather. low pressure systems can cause the formation of clouds and storms. air usually flows from areas of high pressure to areas of low pressure..