PPT-Is it a meteorite?

InClass Activity 1Meteorite amp Impact Craters. Th ey characteristically contain grains called chondrules Chondrules were molten droplets which were produced during the formation of the solar system and then accreted to form asteroids and the planets Carbonaceous Chondrites Chondrites Carbonaceo . Chapter 17 . Impacts of Asteroids and Comets. Projectiles from Space. Asteroids, comets and meteors cross Earth’s path. Asteroids and comets are known as . bolides. Asteroid Impact 65 million yrs ago. Decameter-scale Asteroids. Andrew Rivkin (JHU/APL). Target NEO 2 Workshop. Washington DC. Getting us on the same page. Compositions/albedos/densities/etc. go together, often assume other pieces when only one thing known. Mars is the only planet in our solar system to have frozen carbon dioxide snow it happens all year round. . in the north end.. . pictures from the mars curiosity shows landscapes made by bodies of water, rain and ancient rivers with the force of 10,000 Mississippi rivers.. Extraterrestrial Life. Robert C. Newman. Life in the Universe?. Is it rare or common?. No one on earth really knows.. Evolutionists don’t agree.. Creationists don’t agree. . Admittedly, the media tends to see the matter in black & white:. Test . 2. : Passage 1. Passage 1. Unmanned spacecraft taking images of Jupiter's moon Europa have found its surface to be very smooth with few meteorite craters. Europa's surface ice shows evidence of being continually . & Meteors. Lectures will be available at: . homework.uoregon.edu. /pub/. elsa. /. haydock. / . Asteroid Belt Basic . Characteristics. Estimated 1 million are ~1km or larger; millions more are . smaller. ,. Meteorites, . and . Meteorites. By . : . Hari. . Srinivasan. ,. . and. . Julia. . Ross. What’s the difference between a meteor, meteorite, and a meteoroid. A meteor is called such when it’s in Earth’s atmosphere. A meteorite is a meteor when it is on the ground. A meteoroid is a meteor when it is in space.. Biggest meteor. The biggest meteor to hit earth was in . R. ussia the speed was 1500 kilometres per hour or about 950 miles per hour.. The width was 50 meters. . It injured 1100 people.. Most common meteor. Tungsten isotope abundances for iron meteorites fall into two distinct groups that also include carbonaceous chondrites (CC) and non-carbonaceous chondrites (NC) plus Mars, Earth, and the Moon. The higher . Asteroids. Over 100,000 asteroids.. Vesta is the largest – 330 miles. in diameter.. Size range – 330 miles to about. 100 yards.. Irregular-shaped rocky bodies.. Some asteroids have moon(s).. The . Isheyevo. carbonaceous chondrite . has millimeter- . to centimeter-thick laminations . composed of different amounts of silicate versus Fe-Ni metal grains. . These remarkable laminations are a permanent record of a . on. The early history of the Solar System is recorded by meteorites falling now, but also by those that fell hundreds of millions to billions of years ago, preserved in lunar samples, sedimentary layers on Earth, and even sitting on the surface of Mars. .