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Home
About
Contact Us
Programs
Involving Diverse Audiences
Empowering Teens
Citizen Science
Eclipse Megamovie Maestros
Eclipse Megamovie Project
Eclipse Resources
Eclipse Video Interviews
Engaging Teachers
Supporting Informal Educators
Guiding Undergraduates
Coordinating Education & Outreach Professionals
Space Missions
Resources
Classroom Lessons
Educator Workshops
Hands-on Activities
Online Activities
Educator Resource Guides
The Astronomy of Many Cultures
Women in Astronomy
Online Books
Multiverse in the Movies!
Blog
Full Spectrum
Full Spectrum: Isabel Hawkins
Full Spectrum: Laura Peticolas
Full Spectrum: Claire Raftery
Full Spectrum: Therese Kucera
Full Spectrum: Patricia Reiff
Full Spectrum: Juan Carlos Martinez Oliveros
Full Spectrum: Pamela Gay
Full Spectrum: Angela Speck
Full Spectrum: Lika Guhathakurta
Full Spectrum: Ramon Lopez
Solar Week
Solar Week Home
Monday
Learn About the Sun as a Star
Solar Facts
Stellar Fingerprinting
Stellar Classification
Play the Game
Play the Game 2
Play the Game 3
Play the Game 4
Do the Activity
Notes for Group Leaders: The Solar Cycle
Notes for Group Leaders: Colors of the Sun
The Effect on Earth
Scavenger Hunt
Tuesday
Learn About Solar Close-Ups
Observing the Sun
Bringing the Sun into Focus
How Scientists Gather Images from Space
Examples of Solar Telescopes in Space
Play the Game
Play the Game 2
Play the Game 3
Play the Game 4
The Effect on Earth
Scavenger Hunt
Do the Activity
Notes for Group Leaders
Wednesday
Learn About the Active Sun
Space Weather Introduction
Solar Flares
Coronal Mass Ejections
Do the Activity
Measuring the Motion of a Coronal Mass Ejection
CME Images
The Effect on Earth
Scavenger Hunt
Thursday
Learn About the Ionosphere
Friday
Solar Careers
Research Jobs & Salaries
Women In Science
Play the Game
Youth Opportunities
Meet the Scientists
Mitzi Adams
Hazel Bain
Michele Cash
Christina Cohen
Yari Collado-Vega
Lyndsay Fletcher
Nicky Fox
Sabine Frey
Sarah Gibson
Holly Gilbert
Lindsay Glesener
Emilia Kilpua
Delores Knipp
Terry Kucera
Kelly Larson
Christina Lee
KD Leka
Yan Li
Paulett Liewer
Irina Marinova
Ana M. Espinal Mena
Dawn Myers
Alessandra Pacini
Laura Peticolas
Laurel Rachmeler
Claire Raftery
Pat Reiff
Sabrina Savage
Kris Sigsbee
Ask A Solar Scientist
"Ask A Question" FAQs
Scientist Interviews
Make & Take Activities
Observe the Sun Safely
Glossary
Past Webinars
Calendar in the Sky
Calendar in the Sky Home
Articles
Images
Photos
Artifacts
Astronomical Images
The Sun
People
Dancers
Places
Chichen Itza
Ball Court
Chacmool
Dancers
El Castillo De Kukulkan
Group of the Nuns
INAH Office
Observatory
Old Chichen
Platform of Eagles and Ja
Platform of Skulls
Platform of Venus
Sacred Cenote
Substructure of El Castil
Temple of the Jaguar
Temple of the Small Table
Temple of the Tables
Temple of the Warriors
The Ossuary
Wildlife
Church at Mani
Dzibilchaltun
Cenote
Mayan House
The Open Chapel
The Sun Temple
El Caracol
House of the Four Lintels
Kabah
Loltun Caves
Mayapan
Mayapan's Castillo
Merida
Oxkintok
Palenque
The Acropolis at Ek Balam
The Great Palace of Sayil
Tossed Skull
Unexcavated Ruins
Uxmal
Ball Court
Governor's Palace
House of the Magician
House of the Turtles
Nunnery Quadrangle
Temple of the Macaws
The Dovecote
The East Portico
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Oxkintok
Oxkintok
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Equinox Sunrise
The sun rises through a portal at Oxkintok on the morning of the spring equinox, 2005. The equinoxes are the two days of the sun's year (one in the spring, one in the autumn) when the day and night are of equal length. (Image Credit: Jim ...
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On the spring equinox, afternoon sunlight is cast on the floor of the plaza. Oxkintok is considered an early example of Puuc-style architecture, which was later developed more fully at cities in the Puuc region such as Uxmal and Chichen Itza. ...
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On the spring equinox, sunlight passes through a portal which is aligned with an arc on the floor of the plaza holding the base of the arch. (Image Credit: Jim Spadaccini, Ideum)
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Oxkintok, one of the oldest sites of the Puuc region, was inhabited from the Preclassic period (300BC-250AD) through the Late Postclassic (1250-1500AD), reaching its principal importance between 475 and 859AD. This pyramid is in the May Group, ...
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View from atop the pyramid. Oxkintok is one of the earliest Puuc sites. Situated 50km to the south of Merida, it is on the western cusp of the Puuc sites, and therefore thought to have been an initial point of the Puuc zone. The steady dependence ...
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Oxkintok is best known for its early influence on Puuc development. It displays some of the earliest known calendrical inscriptions, such as the one on the lintel of the construction CA-3, one of the oldest constructions at Oxkintok, that bears a ...
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The Sun
People
Dancers
Places
Chichen Itza
Ball Court
Chacmool
Dancers
El Castillo De Kukulkan
Group of the Nuns
INAH Office
Observatory
Old Chichen
Platform of Eagles and Ja
Platform of Skulls
Platform of Venus
Sacred Cenote
Substructure of El Castil
Temple of the Jaguar
Temple of the Small Table
Temple of the Tables
Temple of the Warriors
The Ossuary
Wildlife
Church at Mani
Dzibilchaltun
Cenote
Mayan House
The Open Chapel
The Sun Temple
El Caracol
House of the Four Lintels
Kabah
Loltun Caves
Mayapan
Mayapan's Castillo
Merida
Oxkintok
Palenque
The Acropolis at Ek Balam
The Great Palace of Sayil
Tossed Skull
Unexcavated Ruins
Uxmal
Ball Court
Governor's Palace
House of the Magician
House of the Turtles
Nunnery Quadrangle
Temple of the Macaws
The Dovecote
The East Portico
Wildlife
Wildlife
Workshops
Illustrations
Astronomical Illustrations
Illustrations
Graphics
Webinars
Video
Presentations
Lesson Plans
Tutorials
Websites
Books
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