Tag: "universe"

The State of the Universe: Matter and Age Up, Dark Energy Down

The State of the Universe: Matter and Age Up, Dark Energy Down

The European Space Agency's Planck mission has generated a map of the infant universe that refines our understanding of what it's all made of and has upped its age by 100 million years.

 
How Big is Your World?

How Big is Your World?

Is the universe really so big, or are we just very, very small?

 
In Search of the Oldest Stuff: Rocks of Ages

In Search of the Oldest Stuff: Rocks of Ages

What's the oldest stuff you've ever seen, or better still, touched? Have you felt awe from contact with something of great antiquity? How old can stuff be?

 
Moon today and during the Cretaceous

Luna Nova: Moon of the Cretaceous Skies

Although I am a lifelong fan of science, I’ve also been a lifelong fan of science fiction—so I sometimes experience conflict on the borderlands where the two meet.

 
Far Out, Man: Measuring Astronomical Distances

Far Out, Man: Measuring Astronomical Distances

How do we know how far away celestial objects are? This shouldn't be taken for granted, as it's not as straightforward as sounding the depth of the ocean.

 
A Long and Winding DNA

A Long and Winding DNA

How long would the DNA from every living thing on Earth stretch? Could we make it to the next star? The next galaxy? The end of the Universe?

 
Stars and Sand Grains

Stars and Sand Grains

Astronomers have estimated that there are about 200 billion stars in the Milky Way Galaxy. Galaxies come in many sizes, both much larger and considerably smaller than our home galaxy.

 
Thoughts on Science and Religion

Thoughts on Science and Religion

The universe is made of stories. The Universe Is Made of Stories I think the central story of Christianity is not one of the parables of Jesus, or even his death and resurrection, but a simple story of a meal shared with friends. The story goes like this: Jesus took a loaf of bread in [...]