How old is the universe?Astronomershave determined that our observable universe is 13.7 billion years old. How do we know how old the universe is?Astronomersestimatethe age of the universe in two ways by looking for the oldest stars. Is the universe infinite?Astronomers are unable to see thel...
In the NFC, the competition for the rest of the landscape is fierce, while in the AFC, all but one of the teams currently slated for the playoffs has more than a 90% chance of making it in. So today, Michele Steele and Ben Solak break down how the teams that are in got there, ...
How Much is a Billion? We write 1 billion as a 1 followed by nine zeros, like this.1,000,000,000. There are more than 7 billion people alive on earth right now. More than one billion of them are under the age of ten years old.Tha...
In 2013, the European Space Agency's Planck space mission released the mostaccurate and detailed mapever made of the universe's oldest light. The map revealed that the universe is 13.8 billion years old. Planck calculated the age by studying thecosmic microwave background. "The cosmic microwave...
For example, when our universe was less than 380,000 years old, the volume of the universe was about a million times smaller than it is today, and it had an average temperature of around 10,000 Kelvin. It was so hot and dense that it was a plasma, a state of matter where atoms ar...
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We are getting close to answering the age-old questions, "Why are we here? Where did we come from?" Does the universe in fact have a beginning or an end? And, if so, what are they like? If we find the answer to that, it would be the ultimate triumph of human reason. ...
Physicists think the most likely place to find strange matter in the universe is within neutron stars. Despite its potential danger, strange matter would likely repel rather than consume matter on Earth, due to positive charge. Strange matter, as scientists call it, is unarguably weird. It'...
The same is true with smaller and smaller pieces. HowStuffWorks If you want to see a hologram, you don't have to look much farther than your wallet. There are holograms on most driver's licenses, ID cards and credit cards. If you're not old enough to drive or use credit,...
Does anyone else feel like this puzzle piece is closing a hole in the universe or something? Just me? Too much Dr. Who, I guess. InThe Write Structure, we talk about the six elements of plot: 1.Exposition. At the beginning of the story, the exposition establishes characters and setting...