• Astronomy (includes Observatories)

• 64.

New Jersey Astronomical Association Inc

The New Jersey Astronomical Association is a non profit corporation dedicated to bringing astronomy to the general public.

• Humanities Organizations

• 65.

Philosophical Society of Washington

Washington DC's leading science education organization, Founded 1871 - Science lectures every other Friday in the spring and fall, free to the public.

• Astronomy (includes Observatories)

• 66.

Local Group Inc

The Local Group Astronomy Club of Santa Clarita Valley is a community organization dedicated to furthering astronomical knowledge and the participation in astronomy activities in Southern California.

• Professional Societies & Associations

• 67.

Mechanisms Education Association

Produce semi-annual aerospace mechanisms symposium in May 2023.

• Science & Technology Museum

• 68.

ADLER PLANETARIUM

Official Twitter of the Adler Planetarium—the 1st planetarium in the Western Hemisphere.

• Science & Technology Museum

• 69.

Astronomical Society of Las Cruces

Las Cruces Clear Sky Clock Speaker Nils Allen Presentation ASLCs First 50 Pioneers Who Persevered Location Meetings are now being held at the Mesilla Valley Radio Club Shack 6609 Jefferson Ln Las Cruces and via ZOOM.

• Community Service Clubs (Kiwanis, Lions, Jaycees, etc.)

• 70.

The Organization for the Proliferation of Space Studies

Expanding and standardizing space education globally in Pre-K through 12th grade, The Organization for the Proliferation of Space Studies.

• Astronomy (includes Observatories)

• 71.

Westchester Amateur Astronomers Inc

Westchester Amateur Astronomers The Best Astronomy Club This Side of the Oort Cloud Welcome to the Westchester Amateur Astronomers ARE YOU A BEGINNER LOOKING FOR ADVICE.

Tucson Amateur Astronomy Association Incorporated

Enjoy exploring, observing, and learning about our solar system and beyond.