Modern timekeepingdefines a day as the sum of 24 hours—but that is not entirely correct. The Earth's rotation is not constant, so in terms ofsolar time, most days are a little longer or shorter than that. The Moon is—very gradually—slowing the Earth's rotation because of friction pro...
Solar sails offer potential for long-duration space exploration missions, enabling spacecraft to reach distant destinations. Hundreds of space missions have been launched since the last lunar mission, including several deep space probes that have been sent to the edges of our solar system. However,...
I will go through the old Newtonian view of the rotation of the Moon and how it works. Then I will continue explaining the problem with that view and end up with giving the reader a better way to wrap ones head around this problem....
During that time, there were no sole reggaeton and Latin trap festivals in the region — the closest being 2018’s Latinx indie-heavy Tropicalia in Long Beach. The pair tapped an open market, attracting prospective attendees from both sides of the border all the way up to Los Ang...
Humans are creatures of habit, and it’s all too easy for us to fall into monotonous eating patterns. Eating the same things all the time, however, is a recipe for intolerance, allergies, and poor health. With the rotation diet, you’ll get a full range of micronutrients for better over...
Earth's day has increased by 0.002 s in the last century. If the resulting decrease in earth's angular speed is constant, how long (in years) will it take for the earth to come to rest? How many Earth diameters make up the height of a solar prominence?
On a spacecraft or on a Moon or Mars colony, astronauts and accompanying microorganisms are expected to remain in indoor-closed and controlled habitats for a long period of time, depending on their life-support systems. However, there is still a gap in knowledge concerning the health consequence...
The issue with photographing stars is that they seem to move because of earth's rotation – this is why we want to photograph their trails in the first place. With that in mind, there is a delicate balance to find with your exposure that’s more than just how long your shutter is open...