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Posts tagged asteroids

January 9, 2015

 

a near-Earth asteroid, called Bennu

What’s That in the Sky?

Falling sky debris doesn't pose any real threat. But in the nuclear age, asteroids could trigger war sirens.

November 13, 2014

 

asteroid flying close to Earth

Giant Asteroid Headed Towards Earth!*

*Beware of alarmist headlines. The odds are slim when it comes to giant Earth-bound asteroids.

May 20, 2014

 

Image of zodiacal light in the night sky

Ashes To Ashes, Stardust To Stardust

The secret to the origins of life on Earth could be in the dust that's leftover after solar systems form.

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.

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