Guide Meteorite Hunter: The Search for Siberian Meteorite Craters

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  1. Meteorite Books
  2. Why Does Siberia Get All the Cool Meteors? - Universe Today
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The slideshow proceeds with members of meteorite expeditions. The nature of Tunguska's taiga , local lifestyle and expedition surroundings. Get the Flash Player to see this slideshow. Tunguska Meteorite During his school years Nikolay was one of the organizers and participants of the search expedition for Narofominsky meteorite. The passing of Tunguska meteorite over river Angara , The electrical discharge, The meteorite Paintings of Tunguska event based on descriptions from eye witnesses and scientific theories.

Meteorite Books

NASA called the images "most detailed radar images of a near-Earth asteroid ever obtained. The Hubble Space Telescope snapped a series of images on September 10, , revealing a never-before-seen sight: An asteroid that appeared to have six comet-like tails. A diagram shows the orbit of an asteroid named TV in blue , which made headlines in September when it passed close by Earth.

The probability of it striking Earth one day stands at 1 in 63,, and even those odds are fading fast as scientists find out more about the asteroid.

Why Does Siberia Get All the Cool Meteors? - Universe Today

It will most likely swing past our planet again in , according to NASA. Asteroid DA14 made a record-close pass -- 17, miles -- by Earth on February 15, Most asteroids are made of rocks, but some are metal. They orbit mostly between Jupiter and Mars in the main asteroid belt. Scientists estimate there are tens of thousands of asteroids and when they get close to our planet, they are called near-Earth objects. Another asteroid, Apophis, got a lot of attention from space scientists and the media when initial calculations indicated a small chance it could hit Earth in or If you really want to know about asteroids, you need to see one up close.

NASA did just that. A spacecraft called NEAR-Shoemaker, named in honor of planetary scientist Gene Shoemaker, was the first probe to touch down on an asteroid, landing on the asteroid Eros on February 12, This image was taken on February 14, , just after the probe began orbiting Eros.

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But is Ceres just another asteroid? It's almost round and it may have a lot of pure water ice beneath its surface. Ceres is about by miles by kilometers in size and scientists say it may be more accurate to call it a mini-planet.

The shape of the land

The spacecraft is 35 million miles 57 million kilometers from Ceres and million miles million kilometers from Earth. The image on the right was taken by the Hubble Space Telescope. One big space rock got upgraded recently. This image of Vesta was taken by the Dawn spacecraft, which is on its way to Ceres. In , scientists said data from the spacecraft show Vesta is more like a planet than an asteroid and so Vesta is now considered a protoplanet. The three-mile long 4.


NASA scientists used radar images to make a short movie. Asteroids have hit Earth many times. It's hard to get an exact count because erosion has wiped away much of the evidence.

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NASA scientists say the impact of an asteroid or comet several hundred million years ago created the Aorounga crater in the Sahara Desert of northern Chad. The crater has a diameter of about This image was taken by the Space Shuttle Endeavour in In in Tunguska, Siberia, scientists theorize an asteroid flattened about square miles 1, square kilometers of forest in and around the Podkamennaya Tunguska River in what is now Krasnoyarsk Krai, Russia.

What else is up there?

Arizona's Jaw-Dropping Mile-Long Meteor Crater

Is anyone watching? Of these, 1, have been classified as Potentially Hazardous Asteroids, or objects that could one day threaten Earth. One of the top asteroid-tracking scientists is Don Yeomans at the Jet Propulsion Laboratory, which is managed by the California Institute of Technology. Yeomans says every day, "Earth is pummeled by more than tons of material that spewed off asteroids and comets.