Questions

Life Could be Common Across the Universe, Just Not in Our Region

The building blocks of life can, and did, spontaneously assemble under the right conditions. That's called spontaneous generation, or abiogenesis.…

1 year ago

The Journey of Light, From the Stars to Your Eyes

This week, millions of people will turn their eyes to the skies in anticipation of the 2015 Perseid meteor shower. But what happens on less…

6 years ago

What Does It Mean To Be ‘Star Stuff’?

At one time or another, all science enthusiasts have heard the late Carl Sagan's infamous words: "We are made of…

6 years ago

What is on the Other Side of a Black Hole?

Picture an entire star collapsed down into a gravitational singularity. An object with so much mass, compressed so tightly, that…

7 years ago

Through the Wormhole Episode: Can We Travel Faster Than Light?

[/caption] Through the Wormhole with Morgan Freeman has entered into its second season and is working to highlight topics as…

10 years ago

Will the Large Hadron Collider Destroy the Earth?

Question: Will the Large Hadron Collider Destroy the Earth? Answer: No. As you might have heard in the news recently,…

13 years ago

Why are Distant Galaxies Moving Away Faster?

Question: Why are more distant galaxies moving away faster? Answer: As you know, the Universe is expanding after the Big…

13 years ago

How Can Galaxies Recede Faster than the Speed of Light?

Question: How Can Galaxies Move Away Faster Than Speed of Light? Answer: Einstein's Theory of Relativity says that the speed…

13 years ago

How Big Do Planets Get?

Question: How Big Can Planets Get? Answer: Here in the Solar System, we have three kinds of planets: the inner…

13 years ago

How Big is Apophis?

Question: How Big is Apophis? Answer: In case you haven't heard, Asteroid 99942 Apophis is a near Earth asteroid that…

13 years ago