A Moment of Science

Posts tagged asteroids

February 4, 2014

 

Arieal photo of Arizona's Meteor Crater

Mapping (Potentially) Killer Asteroids

There are a million space rocks nearby. Astronomers have only mapped about 9,700 of them.

January 31, 2014

 

Computer generated image of a Mars rover

Deep Space Rodeo!

In order to reach Mars, our astronauts may have to stop by a lassoed astroid first.

November 7, 2012

 

Comet Hale Bop

What Is The Difference Between Comets And Asteroids?

You've heard about comets and asteroids in space. What is the different?

May 2, 2012

 

stars moving around the pole

Why Do Stars Twinkle?

If you've ever glanced skyward, you've probably noticed the sheer numbers of stars. Some are tiny, barely visible points. Others radiate strong white light.

December 30, 2011

 

cube earth

Why The Earth Is Round

Why is the earth round? Why isn't it a cube or a pyramid?

July 8, 2010

 

asteroid

24 Themis: An Icy Asteroid

Learn about 24 Themis, one of the largest known asteroids.

June 11, 2009

 

Lava flow

Deep Heat

If you've been to a cave, you might think that it's cold underground. Nothing could be further from the truth. Learn more on this Moment of Science.

February 11, 2009

 

High up in atmosphere

Interstellar Dust Bunnies

Beyond our atmosphere flies a lot of debris. Some fragments can be larger than mountains, but most is space-dust.

June 15, 2008

 

A Photograph of the Moon

The Vibrating Moon

The startling experience of five British monks from the twelfth century who saw an enormous explosion occur on the moon. The moon still be vibrating today.

June 15, 2008

 

An Photograph of the Moon

They Saw the Moon Go Boom

How many times have you actually seen a star explode or a asteroid at night? Have ever learned about how the records of these events are taken? Then tune in.

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