Planetário do Ibirapuera in Ibirapuera Park, Sao Paulo, Brazil under blue sky

Professor Aristóteles Orsini Planetarium

Professor Aristóteles Orsini Planetarium: Visiting Hours, Tickets, and Travel Guide to São Paulo’s Historic Astronomy Landmark

Date: 14/06/2025

Introduction

Located in São Paulo’s Ibirapuera Park, the Professor Aristóteles Orsini Planetarium—also known as Planetário do Ibirapuera—holds the distinction of being the first planetarium in the Southern Hemisphere. Since its inauguration in 1957, it has become a symbol of scientific outreach and cultural significance in Latin America. Offering innovative full-dome astronomy shows, interactive exhibits, and educational programs, the planetarium is a must-see for families, school groups, and anyone fascinated by the cosmos. Its striking modernist architecture, immersive technology, and setting amid some of São Paulo’s most important cultural sites make it a highlight for locals and tourists alike (Prefeitura de São Paulo; Ibirapuera.org).

Night view of Planetário do Ibirapuera illuminated in São Paulo, Brazil

Planetário do Ibirapuera in São Paulo, Brazil at night with illuminated dome and surroundings

Exterior view of Planetário do Ibirapuera in São Paulo, Brazil under blue sky

View of Planetário do Ibirapuera astronomy museum building in São Paulo, Brazil

Planetário do Ibirapuera night exterior illuminated in São Paulo Brazil

Entrance of Ibirapuera Planetarium with Wind Rose design in São Paulo Brazil

Historical and Architectural Overview

Origins and Legacy

The planetarium was founded through the initiative of Dr. Aristóteles Orsini, a physician and passionate amateur astronomer who sought to democratize access to astronomy in Brazil. Opened in 1957, it pioneered public science education in the region, inspiring the creation of the Municipal School of Astronomy next door the following decade (Prefeitura de São Paulo).

Design and Structure

Architect Roberto José Goulart Tibau’s modernist vision is evident in the planetarium’s 18-meter dome, capable of seating over 300 visitors. The building’s “flying saucer” silhouette, constructed with reinforced concrete and wooden arches, embodies the optimism and futuristic spirit of the 1950s (Ibirapuera.org; Trek Zone). The site is protected by São Paulo’s heritage councils to preserve its cultural and architectural importance.

Technological Evolution

Originally equipped with a Zeiss Universal projector, the planetarium has undergone several technological upgrades, now featuring a Carl Zeiss Starmaster and fulldome digital projection. These enhancements allow for visually stunning, interactive journeys through the universe (Waymarking).

Visiting Information

Location and Directions

Address: Av. Pedro Álvares Cabral, s/n – Portão 10, Ibirapuera Park, São Paulo – SP, 04094-000, Brazil
Access: Main access is via Gate 10 (for drop-off only); car parking is available at Gates 2 or 3, with a short walk to the entrance. Public transportation is recommended—nearest metro stations are Ana Rosa and AACD-Servidor, with connecting buses (Encontra São Paulo; Wanderboat).

Opening Hours and Sessions

Regular Hours: Thursday to Sunday, with sessions typically at:
- Fridays: 19:00
- Saturdays: 13:00, 15:00, 17:00, 19:00
- Sundays: 11:00, 13:00, 15:00, 17:00
Closed: Mondays and some public holidays
Note: Schedules may vary; always confirm via official website or social media (Expresso Estadão).

Ticket Information

Pricing: R$30 (full price), R$15 (half price for students, children, seniors)
Free Sessions: Usually one per week; see website/social media for details
Purchase: Online in advance is highly recommended, though on-site box office is available. Sessions often sell out on weekends.

The Planetarium Experience

Pre-Show and Exhibits

Arrive early to explore:

A 22.7 kg fragment of the Santa Luzia meteorite
Historic telescopes and original star maps
Interactive outdoor instruments (Armillary Sphere, Wind Rose, Sundial)
Documents and artifacts detailing the planetarium’s history (Expresso Estadão; Encontra São Paulo)

Dome Shows

The highlight is a 40-minute immersive journey guided by expert narrators:

Simulates São Paulo’s night sky and cosmic phenomena using the advanced Carl Zeiss Starmaster projector
Family-friendly and specialized shows, including “O Show da Luna” for young children and “Planetas do Universo” for older audiences (Top Pensando em Viajar)
Shows are in Portuguese; check ahead for special sessions in English

Post-Show Activities

Depending on the schedule, you may find:

Hands-on meteorite demonstrations
Craft workshops for children
Astronomy Q&A sessions with educators (Wanderboat)

Facilities, Accessibility, and Visitor Comfort

Seating: 304 seats under the dome; front rows on the “blue side” recline for optimal views
Accessibility: Panoramic elevator, ramps, and accessible restrooms; 52 reserved seats for those with disabilities and specific needs
Climate: Dome is air-conditioned and can be cool; bring a jacket for comfort
Restrooms: Well-maintained, but use before show as re-entry is not permitted

Practical Tips

Arrive 30–40 minutes early for ticketing, exhibits, and seating
Photography is not allowed during dome shows to preserve the immersive experience
Late arrivals are not admitted—punctuality is strictly enforced
Most programming is in Portuguese; non-Portuguese speakers should check ahead for alternatives
Check session themes as they vary by age group and content

Nearby Attractions and Dining

Within Ibirapuera Park

Museu Afro Brasil
São Paulo Museum of Modern Art (MAM)
Ibirapuera Auditorium
Oca Pavilion
Japanese Pavilion
Monumento às Bandeiras

All locations are within walking distance of the planetarium (Expresso Estadão).

Dining Options

Nearby restaurants and cafés include:

Coco Bambu JK
Skye (rooftop dining)
Restaurante Selvagem
Laço de Ouro Dois
La Maison 218
Varanda
Tre Bicchieri
Spaghetti Notte

These venues suit a range of tastes and budgets (Wanderboat).

Visitor Feedback

Visitors consistently praise the educational value, immersive technology, and family-friendly approach. Some suggest improvements in seating comfort and more interactive exhibits, but overall, the experience is regarded as both inspiring and enriching (Top Pensando em Viajar).

Frequently Asked Questions (FAQ)

Q: How do I buy tickets?
A: Online via the official website or at the box office.

Q: What are the opening hours?
A: Thursday to Sunday, with sessions at set times; check the latest schedule online.

Q: Is the planetarium accessible to visitors with disabilities?
A: Yes, with elevators, ramps, and reserved seating.

Q: Are shows in English?
A: Most shows are in Portuguese; check for special sessions or request information.

Q: Where do I park?
A: Use Gates 2 or 3 in Ibirapuera Park for parking, then walk to the planetarium.

Visuals and Media Suggestions

Exterior photo: “Planetário do Ibirapuera building in Ibirapuera Park”
Interior shot: “Inside Planetário do Ibirapuera dome show”
Park map: “Map showing Planetário do Ibirapuera in Ibirapuera Park”
Interactive exhibit images

Useful Links

Conclusion and Call to Action

The Professor Aristóteles Orsini Planetarium is a beacon of scientific discovery and architectural beauty in São Paulo. Its blend of historic significance, innovative programming, and vibrant park setting make it an essential stop for anyone interested in astronomy, culture, or education. Plan your visit by checking current schedules and ticket availability, and arrive early to take full advantage of the exhibits and immersive shows. To stay updated on events and exclusive content, download the Audiala app and follow the planetarium’s official social media channels. Embark on your journey through the cosmos at one of Latin America’s most celebrated scientific institutions (Prefeitura de São Paulo; Expresso Estadão).