My Daily Smile

Life is short - begin every day with a smile!

How long is a day? How about a year? Well, it depends…

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One of the first things we learn as youngsters is how long a day and a year is. After all, birthdays wouldn’t make much sense without this basic understanding of time. And as you surely know, kids are all about birthdays.

Here on planet Earth, one day is roughly 24 hours in length and one year is roughly 365 days.

But the lengths of the days and years on other planets are vastly different than here on Earth. And in some cases, they are mind-bogglingly different.  [Read more…]

Did you know you’re constantly moving? (and really, really fast!)

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Compared to many of our animal friends, we humans are a pretty slow bunch.

In fact, the world’s fastest human to date was clocked at well less than 30 miles per hour (MPH).

That’s less than half as fast as the fastest land animals and several times slower than the fastest birds.

But guess what? Every human being (and everything else on planet earth) is constantly moving at astounding speeds – even those who are standing still, sitting in an easy chair or lying in bed!

[Read more…]

Why astronomers measure distances using a term that’s related to time

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Living (and loving) Life

I’m sure you’ve probably heard astronomers use the term “Light-Year”, but do you know what that term actually means?

The use of the word “year” makes it sound like “light-year” would be used to measure time, but in reality it’s a measurement of distance.

So why is a word related to time used to measure distance?  [Read more…]

Time-lapse video: Earth at Night

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Have you ever wondered what our planet looks like at night, from space?

Virtually every astronaut that has orbited our planet said the views of Earth from above were the most wonderful part of the entire experience.

Now, via the wonders of time-lapse photography, you can enjoy the same views the astronauts aboard the International Space Station (ISS) enjoy.

[Read more…]