'Aavso' presentation slideshows

Variable Stars and the AAVSO

Variable Stars and the AAVSO. Arne Henden Director, AAVSO arne@aavso.org. Variable Stars. Every star varies during its lifetime Physical variation (pulsation, spots) tell us about stellar structure, cosmology Geometrical variation (binaries) give us masses, densities, sizes

693 views • 45 slides

Visual Observations of Delta Cephei: Time to Update the Finder Chart

430 views • 29 slides

Visual Observations of Delta Cephei: Time to Update the Finder Chart

299 views • 29 slides

Middle and High School investigations in astronomy

356 views • 25 slides

344 views • 23 slides

Turning the AAVSO Mission and Vision Into a Strategic Plan

Turning the AAVSO Mission and Vision Into a Strategic Plan. Mike Simonsen April 2008. Why Bother?. Fundraising

335 views • 22 slides

AAVSO

AAVSO . The American Association of Variable Star Observers Cambridge, Massachusetts. AAVSO Observers. The definition of backyard telescope has changed dramatically in the last decade.

290 views • 12 slides

AAVSO

AAVSO . The American Association of Variable Star Observers Cambridge, Massachusetts. AAVSO Observers. The definition of backyard telescope has changed dramatically in the last decade.

130 views • 12 slides