A Different Angle on A Solar Eclipse

NASA's Solar Terrestrial Relations Observatory (aka STEREO) has a pair of satellites in orbit that can take pictures of the Sun simultan...

Closeup of a star

Over about two and a half days (August 16-18, 2007), the Sun's prominences were seen in extreme ultraviolet light by the Ahead spacecraf...

What's Outside The Universe?

Bailey, When we were in Albuquerque you asked me what was beyond the edge of the Universe, and I didn't have a very good answer. To be h...

Sun Will Swallow Earth

Really. As the Sun grows older it will eventually become a red giant. When it does, it will expand to the point that it will engulf most of ...

You Can Take A Walk In Space

Really...if you're willing to use a scale model here on Earth you could walk to the (former) planet Pluto, and visit all the other plane...

Your Sun is Losing Weight

Really. The Sun is the fatso of our solar system representing 99.8% of the mass, but it's losing 5 million tons every second ! The Earth...

Earth's Core is Hotter Than the Sun

Really! The Earth's core is hotter than the outer layer of the Sun. The Sun's huge boiling convection cells , in the outer visible ...

The Sun is Male

Naw, that's foolishness. As far back in recorded history as you care to go, you'll find people who worshiped the sun as a male god o...

You could put your hand in a bucket of Sun

Really. Although the surface of the Sun is about 10,000ºF (6000ºK), it's not very dense --about one ten-thousandth of the Earth's se...