'Sun 0' presentation slideshows

Lifecycle of the Sun

Lifecycle of the Sun. Take-Away Points. The Sun is an ordinary middle-sized star The sun creates energy by nuclear fusion in its core The visible surface of the Sun is called the photosphere A thin cool layer, the chromosphere , allows us to determine what the sun is made of

446 views • 29 slides

Simulating the Solar Shadow

Simulating the Solar Shadow. Allen I. Mincer NYU LANL 6/2/05. The General Problem. Integrate the equations: Numerical approach:

334 views • 22 slides

310 views • 22 slides

Structure of the Sun

Structure of the Sun. Structure of the Sun. Core: 0-20% of radius. Energy produced by nuclear fusion Radiative Zone: 20-70% of radius: Energy travels as thermal radiation Tachocline: Boundary of Radiative Zone: Exterior slips over interior

165 views • 15 slides

Photometry Filters

Percentage of light passing through filter (1.0 = 100%). Photometry Filters. Color Index: Difference between two filtered magnitudes. For example, B-V. Star: An object that during some part of its lifetime derives

265 views • 12 slides

Las Planetas

208 views • 10 slides

A Radar Study of Mercury

A Radar Study of Mercury. Some Facts About Mercury. Orbital period: 88 Earth Days Distance from Sun: 0.38 AU (58,000,000 km) Only 45% of its surface has ever been mapped (by Mariner 10 in 1974-5) Now Messenger is on its way (will arrive in 2011)

185 views • 10 slides

238 views • 9 slides

Emission line astrophysics at high z

Emission line astrophysics at high z. What can we learn from the emission line spectra of (very) young star forming galaxies at high z? Colour-redshift loci determined predominantly by the emission lines Will appear as Lyman forest dropouts at high z

167 views • 4 slides