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Asteroids Asteroids

Asteroids - PowerPoint Presentation

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Asteroids - PPT Presentation

Jim Paradise Lockheed Martin Asteroid Belt gold colored specs Distance From Sun 260 Million Miles to center over 166000 asteroids Largest Ceres 13 of all mass 600 miles in ID: 168019

caltech asteroid credit image asteroid caltech image credit nasa jpl vesta miles ceres diameter orbit close asteroids rex gaspra

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Slide1

Asteroids

Jim Paradise

Lockheed MartinSlide2

Asteroid Belt (gold colored specs)

Distance From Sun:

260 Million Miles to center

over 166,000 asteroids

Largest:

Ceres 1/3 of all mass 600 miles in diameter

Gaspra

Image credit: NASA/JPL-CaltechSlide3

Gaspra (12x7 miles)

1

st

ever

close-up

photo of an asteroidIdaImage credit: NASA/JPL-CaltechAsteroid: GaspraSlide4

Asteroid Photos

Ida (35 miles long) and Dactyl (1 mile diameter)

Ceres Vesta

Image credit: NASA/JPL-CaltechSlide5

dawn

Now a Dwarf Planet

600 mi dia

Largest Asteroid

330

mi diaA "dwarf planet" is a celestial body that is in orbit around the Sun,has sufficient mass for its self-gravity to overcome rigid body forces (nearly round),

has not cleared the neighborhood around its

orbit, andis

not a satellite.Image credit: NASA/JPL-Caltech

Hubble images of the two biggest asteroidsSlide6

Vesta – close-up

Launch: 9/27/07

Mars Flyby: 2/17/2009

Orbit Vesta: 7/15/2011

Depart Vesta: 9/4/2012

Orbit Ceres: Spring 2015 Image credit: NASA/JPL-CaltechSlide7

Osirus

Rex

Image credit: NASA/JPL-Caltech

Asteroid: Vesta Close-up ImagesSlide8

Looking ahead

Looking Behind: Asteroid: Vesta – 326 miles in diameter

This photo taken Sept 5, 2012 as Dawn left

Vesta’s

orbit

Image credit: NASA/JPL-CaltechSlide9

OSIRIS - Rex

Asteroid: Ceres – 590 miles in diameter

Dawn arrives March 6, 2015

Image credit: NASA/JPL-CaltechSlide10

Ceres as of last weekSlide11

Image credit: NASA/JPL-Caltech

Jupiter

OSIRIS-Rex ( mission to asteroid 101955 Bennu )

Origins Spectral Interpretation Resource Identification Security Regolith Explorer

First US Asteroid Sample and Return Mission

Launch: 2016

Asteroid Orbit/Sample: 2019

Earth Return: 2023

101955 Bennu diameter: 1,900

ft