Simulated Meteor impact in slow motion

We where contacted by an educator at the UT McDonald Observatory that wanted to use a clip in a lecture to demonstrate meteor impacts so we also added this clip too for them.We dropped a glass ball from 12 feet and recorded the impact @ 5000 FPS.
This is their description:
This slow motion impact video is a good model for how craters are formed on the surface of the moon. When we observe real lunar craters, we see all the below described impact features, but there are a few limitations in this model. This is ok, because you've made a scientific model - all scientific models have limitations, and when we identify those limitations, we have an even better understanding of what is being represented.
The lunar surface is represented by the flour, and darker cocoa on the surface. The white flour and dark cocoa help to distinguish between material at the surface, and displaced material below the surface. The impactor is represented by a glass sphere. At impact a great deal of material is displaced forming interior "crater walls". After impact, an uplifted "crater rim" is seen surrounding the edge of the crater (particularly in the right hand movie). The displaced material from below the surface spreads outward from the impact site. On the moon, we see prominent crater walls, rims and "ejecta", the sub-surface material ejected 1000's of kilometers from the site. Ejected material form "rays" which are bright streaks extending away from the crater.
The limitations of this model:
What isn't seen in the movie are the "central peaks" with are mountains formed in the center of the crater floor, from rapid pressure change during an impact. Central peaks typically form in craters that are larger than 50 km in diameter. The movies don't show the central peaks because you are using an impactor that doesn't disintegrate at impact. To see the central peak in a crater, the water drop movie is wonderful. (A beautiful red drop of water in slow motion)

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Category:

Science & Technology

Tags:

• UltraSlo
• slow
• motion
• time
• warp
• phantom
• nac
• photron
• high
• speed
• video
• flight
• meteor
• impact
• crater
• moon
• mars
• nasa
• earth
• ejecta
• UT
• McDonald
• Observatory

[ReisendeEuropa]

These are good for simulating a low velocity metallic meteorite slamming into the less dense regolith that is found on the moon as well as on mars. For a simulated high speed impact you would need special equipment such as a vacuum chamber and high velocity gun. If you wanted to simulate this a little better you could try to make cocoa meteorites by adding a drop of water to some cocoa and allowing the clump to dry.. then drop it from the same height. Maybe this only works in theory though.

[ultraslo]

Thanks. it is a good idea. I tryed using a water drop today and almost got 1. it left a small peak in the center. Tomorrow or saterday we will try it again.

[doghandler160th]

@ultraslo you forgot to put "Enjoy!

[ultraslo]

@doghandler160th Ooooops

Enjoy ;)

[crayzclown]

2012 Is bullshit.

[KittenKiller]

It looks cool when you move the slider back and forth.

[superxcm]

Awesome video reference for us VFX Artist...thanks for that! Subscribe!

[TheZetsuShow]

@ReisendeEuropa TOO MUH SCIENCE!!!

[smesi10]

Try low angle impact with an air gun.

[watarball]

bullshit gonna impact on earth in 2012?

[udoslask]

We are all going to diiiiieeeee.....*Zoom out* ....ohhh

[Eminem1Mw2]

weres the big explosion and the part were everyone dies?

[doghandler160th]

@ultraslo lol i subed u r awsome!

[daisous]

I think with ash it would be more realistic because meteor speed in clash with earth would be more like rock and ash. But it's still awesome job guys ! i love your channel !