1 / 4

PLUTO

PLUTO. Motion and discovery of Pluto. As faint as stars, Pluto is seen to change its position significantly in one day. Pluto by HST. Pluto. Not like a Jovian planet; more like an asteroid, minor planet, or planetesimal  Kuiper Belt Object

angelito
Download Presentation

PLUTO

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. PLUTO

  2. Motion and discovery of Pluto As faint as stars, Pluto is seen to change its position significantly in one day

  3. Pluto by HST

  4. Pluto • Not like a Jovian planet; more like an asteroid, minor planet, or planetesimal  Kuiper Belt Object • Mass ~ 0.0022 x Earth’s; 6 times lighter than the Moon, but similar size • Though small, Pluto has a moon – Charon; largest satellite/planet ratio (8%, vs. 1% for Earth) • Pluto-Charon as a double planetesimal • Pluto-Charon are tidally locked to each other; both with rotation/revolution period of 6.4 d; face each other all the time • Atmosphere: Gaseous methane, N, CO !! pressure ~ 10-6 bars, T ~ 40 K • Very eccentric orbit; at perihelion Pluto can be closer than Neptune

More Related