Tag Archives: asteroid

The K-T Extinction: Asteroids and Atmospheres

Let’s talk about the dinosaurs. Everyone has heard the story: Dinosaurs roamed the Earth ages ago until an asteroid hit and caused all of them to go extinct. There was a huge amount of dust thrown up into the atmosphere which blocked out the Sun and caused plants to die. This set off a chain […] Continue reading

Posted in Universe | Tagged , , , , , , , | Comments Off on The K-T Extinction: Asteroids and Atmospheres

The Tunguska Asteroid

On June 30, 1908 an asteroid about 120 feet across entered Earth’s atmosphere and exploded above the Podkamennaya Tunguska River in Siberia. At an elevation of about 28,000 feet, the combination of pressure and heat made the space rock explode … Continue reading Continue reading

Posted in Class, Historical | Tagged , , , , , | Comments Off on The Tunguska Asteroid

Asteroid With Rings Found

Last month an asteroid in orbiting between Saturn and Uranus was discovered to hang a ring system. This asteroid is …

Continue reading

Continue reading

Posted in Universe | Tagged , , , | Comments Off on Asteroid With Rings Found

A terrifying gravitational encounter!

image via Wired This is a video of astrophysicist Neil DeGrasse Tyson discussing our impending gravitational encounters with Apophis, an asteroid roughly the size of the Rose Bowl in Pasadena, CA. In this video, Neil DeGrasse Tyson explains that Apophis … Continue reading Continue reading

Posted in Class | Tagged , , , , | Comments Off on A terrifying gravitational encounter!

Asteroids in Orbit?

It looks like we’ll be bringing an asteroid home sometime soon.  NASA wants to identify an asteroid in deep space, figure out a way to capture it, and bring it into our own planetary region, ultimately setting it in orbit around our moon, all by the year 2025.  This proposal was included as a part […] Continue reading

Posted in Class | Tagged , , , , | Comments Off on Asteroids in Orbit?

New Way to Study Asteroids

NASA and the White House just announced the space agency’s budget for the 2014 fiscal year. Included in that budget is a $100 million dollar project to retrieve and research […] Continue reading

Posted in Small SS Objects | Tagged , , , | Comments Off on New Way to Study Asteroids

Near-Earth Objects: Experiences and Implications

Meteor trail over Eastern Russia. On February 15, 2013, two very significant astronomical events occurred unusually close to us; the highly publicized meteor explosion over a Russian city overshadowed the close approach of a much larger asteroid orbiting Earth.  The contrast between these two events is what struck me as most interesting and informative about […] Continue reading

Posted in Small SS Objects | Tagged , , , , , , | Comments Off on Near-Earth Objects: Experiences and Implications

The whole asteroid thing!

There have been some pretty amazing things going on with asteroids the past couple of days, namely the passing of Asteroid 2012 DA14 and the Russian Meteor Event.   But they were completely unrelated!  Here is an excellent infographic for you (click to make bigger): We weren’t going to be seeing that little 50-foot asteroid […] Continue reading

Posted in Observables, Small SS Objects | Tagged , , , | Comments Off on The whole asteroid thing!