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Fraser Cain

About Fraser Cain

Fraser Cain is the publisher of Universe Today. He's also the co-host of Astronomy Cast with Dr. Pamela Gay.

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Here are my most recent posts

What is the Hottest Planet in the Solar System?

June 17, 2013

Want to stay on top of all the space news? Follow @universetoday on Twitter Earth is the third planet from the Sun, and the climate here is just right for life. Here in our Solar System, there are planets both hotter and colder than Earth. So… which one is the hottest? Remove this ad

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What is the Closest Star?

June 14, 2013

This is a classic trick question. Ask a friend, “what is the closest star?” and then watch as they try to recall some nearby stars. Sirius maybe? Alpha something or other? Betelgeuse? The answer, obviously, is the Sun; that massive ball of plasma located a mere 150 million km from Earth. Let’s be more precise; [...]

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Interesting Facts About Saturn

June 10, 2013

This article comes from our archive, but we updated it with this video. Saturn is my absolute favorite object in the night sky. When I was a child, I had a dog-eared book on the Solar System, which I read over and over, stopping and staring with wonder at the section on Saturn. How could [...]

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How Can You See a Satellite View of Your House?

June 6, 2013

This is an article from our archive, but we’ve updated it with this spiffy video. Every now and then I go looking for a free aerial view of my home. It’s amazing what’s available through the internet now, totally free. Thanks to commercial Earth observation satellites, and internet tools that make these photos accessible through [...]

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How Many Stars are There in the Universe?

June 3, 2013

When we look at the night sky, filled with stars, it’s hard to resist counting. Just with the unaided eye, in dark skies, you can see a few thousand. How many stars are there in the entire Universe? Before we get to that massive number, let’s consider what you can count with the tools available [...]

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