Asteroids

Which scientist determined that a 1 km impactor could cause a Mass Extinction Event?

The following image is:

An asteroid’s impact energy assumes which two forms?

The reason the dinosaurs died is:

Which is the following is not a requirement for an Extinction Level Event?

Tunguska Class Events liberate an energy of:

The events that liberate 100 kT of energy are:

During the K-T Event, sediments were torn from the seabed, and then settled into a pile called:

Which of the following is not a fate of an impact ejecta?

The lower limit of the ejecta mass per MT of explosive yield is:

When an impact fireball burns nitrogen, the result is:

The likely shape of an asteroid impact's transient crater is:

The current consensus for the minimum diameter impactor required to cause a mass extinction is:

The metal rare on Earth that is deposited as the result of an asteroid impact is:

The factor that does not affect the diameter of an impact crater is:

The energy released during the K-T event was approximately:

The Cretaceous Tertiary Mass Extinction Event that killed the dinosaurs:

The approximate diameter of the Chicxulub crater is:

The visual thickness of a translucent layer is called:

One piece of evidence that proves an asteroid impact and rules out a volcano is:

"Optical Perturbation" occurs when how much particulate mass is suspended in the atmosphere?