Quickasteroids - the Sun • sublimated gas& dust •...

Info iconThis preview shows pages 1–14. Sign up to view the full content.

View Full Document Right Arrow Icon
A Quick Look at Asteroids, Comets, and Meteorites
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Small Bodies in the Solar System asteroids rocky or metallic in composition most are located between the orbits of Mars and Jupiter
Background image of page 2
Properties of Asteroids small in size. the largest one, Ceres , is only 1,000 km across not spherical in shape. gravity not strong enough to compress rocky material some are fragments from asteroid collisions
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Hayabusa
Background image of page 4
NEAR Shoemaker
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Kuiper belt comets orbit beyond Neptune orbit in same direction and plane as the planets Oort cloud comets orbit at the outer fringe of the Solar System spherically distributed about the Sun Small Bodies in the Solar System Comets - made mostly of ice
Background image of page 6
Composition and Structure of Comets Comets are “dirty snowballs”…ice mixed with rock and dust. ices are H 2 O, CO 2 , CO, NH 3 , CH 4 nucleus the “dirty snowball” how the comet appears far from the Sun coma surrounds nucleus when near
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Background image of page 8
Background image of page 9

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Background image of page 10
Background image of page 11

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Background image of page 12
Background image of page 13

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Background image of page 14
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: the Sun • sublimated gas & dust • plasma tail • ionized gas swept back by Solar wind • dust tail • dust particles swept back more slowly by radiation Comet McNaught Deep Impact! Dwarf Planets • Planet – Orbits the Sun – Nearly spherical – Has cleared out its orbit • Dwarf Planet – Orbits the Sun – Nearly spherical – Has not cleared its orbit – Is not a satellite Dwarf Planets • Pluto – Kuiper Belt object • Makemake – Kuiper Belt object • Ceres – asteroid • Eris – Scattered disc object Eris Discovery Pluto and Charon • Pluto’s moon, Charon, orbits Pluto every 6.4 days • This allows us to measure the mass of Pluto using Kepler’s Law #3. • Eclipses allow us to measure the diameters of both Pluto & Charon. Hubble ST image of Pluto & Charon New Horizons spacecraft to arrive at Pluto in 2015!...
View Full Document

{[ snackBarMessage ]}

Page1 / 14

Quickasteroids - the Sun • sublimated gas& dust •...

This preview shows document pages 1 - 14. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online