Astronomy Festival
(3-Adult) Enjoy activities including guided star gazing, looking through the telescope, and listening to ancient stories about the constellations around the campfire. Participate in other activities and games throughout the evening. Hot chocolate included with price of registration. Canceled if raining or snowing.
Show 1 session
| Session |
Place |
Schedule |
Restrictions |
Seats |
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| 4DF.G7LR |
Turner Farm Park |
Sat, 11/14/2026 5:00 PM - 7:30 PM
|
3 to 99 Years |
None
|
08/11/2026 to 11/14/2026 |
Sold Out
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Astronomy Merit Badge
This program satisfies most of the requirements to earn the badge. Scouts must complete all prework before the start of class. Pre-work and program details available at www.fairfaxcounty.gov/parks/scouts. Scouts unable to complete all requirements may receive partial credit from their merit badge counselor.
Show 3 sessions
| Session |
Place |
Schedule |
Restrictions |
Seats |
Sign Up |
Select |
| 2FE.F4MJ |
Turner Farm Park |
11/01/2026 - 11/01/2026
Sun : 4:30 PM - 8:30 PM
|
11 to 17 Years |
None
|
08/11/2026 to 10/31/2026 |
Waitlist!
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| 2FE.3LDQ |
Turner Farm Park |
01/28/2027 - 01/28/2027
Thu : 4:30 PM - 8:30 PM
|
11 to 17 Years |
14
|
10/27/2026 to 01/27/2027 |
Coming Soon
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| 2FE.2A96 |
Turner Farm Park |
02/15/2027 - 02/15/2027
Mon : 4:30 PM - 8:30 PM
|
11 to 17 Years |
14
|
10/27/2026 to 02/14/2027 |
Coming Soon
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Astronomy-Listening to the Universe (8-Adult)
(8-Adult) Join the adventure to understand cosmic noise and what it tells us about the sun, the magnetic structure surrounding some of our planets and the radio signals from Jupiter. Learn how our galaxy is mapped using the faint signals from hydrogen atoms and the behavior of molecules. Listen to the sounds of pulsars, strange dense fast rotating stars. Come hear what our universe is saying. The class will be held in the roll-top observatory at Turner Farm Park. Instruction for this program is provided by volunteers of the Analemma Society.
Show 1 session
| Session |
Place |
Schedule |
Restrictions |
Seats |
Sign Up |
Select |
| E6A.7CQQ |
Turner Farm Park |
01/11/2027 - 01/11/2027
Mon : 7:30 PM - 9:00 PM
|
8 to 99 Years |
25
|
10/27/2026 to 01/11/2027 |
Coming Soon
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BGS - Space Science Adventurer
Satisfies most of the requirements to earn the badge. See site’s website for details.
Show 1 session
| Session |
Place |
Schedule |
Restrictions |
Seats |
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| 608.BUI8 |
Turner Farm Park |
Sat, 11/21/2026 5:30 PM - 7:00 PM
|
7 to 9 Years |
14
|
08/11/2026 to 11/21/2026 |
Sign Up!
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Dark Sky Patch - Daisy and Brownie
(5-9 yrs.) This patch will help you understand the importance of dark skies and how you can protect this resource. You will learn about light pollution, see the effect of light pollution yourself, learn how you can make changes to reduce light pollution, and share what you have learned with others. This program was made possible by support from the Fairfax County Park Foundation. Patch included.
Show 1 session
| Session |
Place |
Schedule |
Restrictions |
Seats |
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| 5ZY.I5PK |
Turner Farm Park |
Sat, 11/28/2026 6:30 PM - 8:00 PM
|
5 to 9 Years |
14
|
08/11/2026 to 11/28/2026 |
Sign Up!
|
DGS - Space Science Explorer
This program meets all the requirements to earn the badge.
Show 1 session
| Session |
Place |
Schedule |
Restrictions |
Seats |
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| A15.90JX |
Turner Farm Park |
Sat, 11/07/2026 6:00 PM - 7:00 PM
|
5 to 7 Years |
None
|
08/11/2026 to 11/07/2026 |
Sold Out
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Exploring Exoplanets - Unveiling New Worlds
(8-Adult) Explore planets orbiting distant stars and learn how scientists find them using cool techniques like watching stars flicker or wobble. Dive into what these planets are made of, whether they could host life and catch up on the latest discoveries. Perfect for anyone curious about space, this course promises an eye-opening adventure into the exploration of planets beyond our own. The course is held rain or clear skies in the Roll-Top Observatory at Turner Farm Park.
Show 2 sessions
| Session |
Place |
Schedule |
Restrictions |
Seats |
Sign Up |
Select |
| IRS.NJD2 |
Turner Farm Park |
11/11/2026 - 11/11/2026
Wed : 6:30 PM - 8:00 PM
|
8 to 99 Years |
10
|
08/11/2026 to 11/10/2026 |
Sign Up!
|
| IRS.ZYM9 |
Turner Farm Park |
01/07/2027 - 01/07/2027
Thu : 6:30 PM - 8:00 PM
|
8 to 99 Years |
25
|
10/27/2026 to 01/06/2027 |
Coming Soon
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Exploring Mysterious Moons of our Solar System
(8-Adult) Take a tour of some of the most exciting moons orbiting the planets in our Solar System. From massive oceans under miles of ice to lakes on Titan to volcanoes, there’s a lot to explore. The program will discuss the missions searching for signs of life on these oceans worlds. A classroom discussion is followed by an observatory session with telescopes, weather permitting. The course is held rain or clear skies in the Roll-Top Observatory at Turner. Instruction for this program is provided by volunteers of the Analemma Society.
Show 1 session
| Session |
Place |
Schedule |
Restrictions |
Seats |
Sign Up |
Select |
| 1FB.RIMP |
Turner Farm Park |
02/01/2027 - 02/01/2027
Mon : 7:30 PM - 9:00 PM
|
8 to 99 Years |
25
|
10/27/2026 to 02/01/2027 |
Coming Soon
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Exploring the Inner Planets
(8-Adult) The inner planets Mercury, Venus, Earth and Mars, plus Earth’s Moon, all have mostly rocky compositions compared to the outer gas giant planets. Of the inner planets, likely only Earth has the conditions to support life. Examining handheld globes of the planets, we will explore their similarities and differences and find out why life is unique to Earth. The program includes observing of planets and the night sky in telescopes, weather permitting. The program is held rain or clear skies in the Roll-Top Observatory at Turner Farm Park.
Show 3 sessions
| Session |
Place |
Schedule |
Restrictions |
Seats |
Sign Up |
Select |
| MX6.VVBJ |
Turner Farm Park |
10/17/2026 - 10/17/2026
Sat : 6:30 PM - 8:00 PM
|
8 to 99 Years |
19
|
08/11/2026 to 10/16/2026 |
Sign Up!
|
| MX6.WJUD |
Turner Farm Park |
11/07/2026 - 11/07/2026
Sat : 7:30 PM - 9:00 PM
|
8 to 99 Years |
21
|
08/11/2026 to 11/06/2026 |
Sign Up!
|
| MX6.62A6 |
Turner Farm Park |
02/11/2027 - 02/11/2027
Thu : 6:30 PM - 8:00 PM
|
8 to 99 Years |
25
|
10/27/2026 to 02/09/2027 |
Coming Soon
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Exploring the Moon (8-Adult)
(8-Adult) The Moon is as old as the Earth, and its surface is marked by craters, mountains and lava flows billions of years old. Find out how these lunar features formed and observe them in high-powered telescopes. Learn about the Apollo program discoveries and future Moon missions. The program is held rain or clear skies in the Roll-Top Observatory at Turner Farm Park. Advance registration required, no walk-in registration available.
Show 1 session
| Session |
Place |
Schedule |
Restrictions |
Seats |
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| 54A.AKCP |
Turner Farm Park |
11/16/2026 - 11/16/2026
Mon : 7:30 PM - 9:00 PM
|
8 to 99 Years |
23
|
08/11/2026 to 11/15/2026 |
Sign Up!
|
Introduction to Astronomy
(8-Adult) This course provides a general introduction to some fundamentals of astronomy and the universe. We will discuss the basic types of astronomical objects from the small to the large, the motions of planets and stars, and interesting phenomena in the night sky. A classroom discussion is followed by an observatory session with telescopes, weather permitting. The course is held rain or clear skies in the Roll-Top Observatory at Turner.
Show 3 sessions
| Session |
Place |
Schedule |
Restrictions |
Seats |
Sign Up |
Select |
| C83.ZQQR |
Turner Farm Park |
10/28/2026 - 10/28/2026
Wed : 6:30 PM - 8:00 PM
|
8 to 99 Years |
24
|
08/11/2026 to 10/27/2026 |
Sign Up!
|
| C83.ITKM |
Turner Farm Park |
12/03/2026 - 12/03/2026
Thu : 6:30 PM - 8:00 PM
|
8 to 99 Years |
25
|
10/27/2026 to 12/02/2026 |
Coming Soon
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| C83.B8XA |
Turner Farm Park |
01/14/2027 - 01/14/2027
Thu : 6:30 PM - 8:00 PM
|
8 to 99 Years |
25
|
10/27/2026 to 01/13/2027 |
Coming Soon
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Introduction to Telescopes
(8-Adult) For those who are new to using a telescope or contemplating purchasing one, this course goes into introductory basics of astronomy, observing the sky and what you need to know to setup and use your telescope. Class will provide hands-on use of telescopes and observing objects in the sky in the Roll-Top Observatory if the weather allows. Attendees can bring their own telescope for assistance and advice. FCPA, its staff, and volunteers are not responsible for personal equipment.
Show 3 sessions
| Session |
Place |
Schedule |
Restrictions |
Seats |
Sign Up |
Select |
| 58B.PJNG |
Turner Farm Park |
11/23/2026 - 11/23/2026
Mon : 7:30 PM - 9:00 PM
|
8 to 99 Years |
2
|
08/11/2026 to 11/22/2026 |
Sign Up!
|
| 58B.GERQ |
Turner Farm Park |
01/05/2027 - 01/05/2027
Tue : 7:30 PM - 9:00 PM
|
8 to 99 Years |
25
|
10/27/2026 to 01/05/2027 |
Coming Soon
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| 58B.SUAA |
Turner Farm Park |
01/25/2027 - 01/25/2027
Mon : 7:30 PM - 9:00 PM
|
8 to 99 Years |
25
|
10/27/2026 to 01/25/2027 |
Coming Soon
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Looking at the Moon
(8-Adult) This program covers basic information about the Earth's natural satellite, the Moon. Learn how to view and recognize features on the Moon's surface even with a small telescope. The class includes observing the Moon and other objects in the night sky with telescopes, weather permitting. The course is held rain or clear skies in the Roll-Top Observatory at Turner Farm Park.
Show 1 session
| Session |
Place |
Schedule |
Restrictions |
Seats |
Sign Up |
Select |
| TH8.BYLJ |
Turner Farm Park |
01/18/2027 - 01/18/2027
Mon : 7:00 PM - 8:30 PM
|
8 to 99 Years |
16
|
10/27/2026 to 01/18/2027 |
Coming Soon
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Meteorites-Exploring Visitors from Space (8-Adult)
(8-Adult) This class is an introduction to meteorites as we explore what they are and where they come from. Participants will be able to examine actual meteorites including specimens from the Moon and Mars. A discussion is followed by an observatory session with telescopes, weather permitting. The course will be held in the Roll-Top observatory classroom at Turner Farm Park. Instruction for this program is provided by volunteers of the Analemma Society.
Show 1 session
| Session |
Place |
Schedule |
Restrictions |
Seats |
Sign Up |
Select |
| C90.W5QH |
Turner Farm Park |
10/26/2026 - 10/26/2026
Mon : 7:30 PM - 9:00 PM
|
8 to 99 Years |
23
|
08/11/2026 to 10/25/2026 |
Sign Up!
|
Nebulas, Star Clusters & Galaxies, Oh My!
(8-Adult) We are familiar with the stars and planets that we can see when the Sun sets. However, the night sky contains many wonders that are visible with binoculars or modest telescopes. This fun and interactive presentation is designed as an introduction to the most common of these astronomical “deep sky” objects. After the class, look through the telescopes in the observatory, weather permitting. The course is held rain or clear skies in the Roll-Top Observatory. Instruction for this program is provided by volunteers of the Analemma Society.
Show 2 sessions
| Session |
Place |
Schedule |
Restrictions |
Seats |
Sign Up |
Select |
| C98.5FXM |
Turner Farm Park |
11/30/2026 - 11/30/2026
Mon : 7:30 PM - 9:00 PM
|
8 to 99 Years |
20
|
08/11/2026 to 11/29/2026 |
Sign Up!
|
| C98.5NYD |
Turner Farm Park |
02/08/2027 - 02/08/2027
Mon : 7:30 PM - 9:00 PM
|
8 to 99 Years |
25
|
10/27/2026 to 02/08/2027 |
Coming Soon
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Night Sky Tour at the Roll-Top Observatory
(8-Adult) Take a tour of planets, constellations, stars, nebulas and galaxies in the night sky at Turner Farm Observatory Park using telescopes or just your eyes. In case of inclement weather, we will discuss and show images of objects that could be observed in clear skies. No knowledge of astronomy is needed. The course is held rain or clear skies in the Roll-Top Observatory at Turner Farm Park.
Show 5 sessions
| Session |
Place |
Schedule |
Restrictions |
Seats |
Sign Up |
Select |
| S84.GF1S |
Turner Farm Park |
10/24/2026 - 10/24/2026
Sat : 6:30 PM - 8:00 PM
|
6 to 99 Years |
None
|
08/11/2026 to 10/23/2026 |
Waitlist!
|
| S84.Q1FD |
Turner Farm Park |
11/18/2026 - 11/18/2026
Wed : 6:30 PM - 8:00 PM
|
6 to 99 Years |
13
|
08/11/2026 to 11/17/2026 |
Sign Up!
|
| S84.1ZTE |
Turner Farm Park |
12/10/2026 - 12/10/2026
Thu : 6:30 PM - 8:00 PM
|
8 to 99 Years |
25
|
10/27/2026 to 12/09/2026 |
Coming Soon
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| S84.8UL2 |
Turner Farm Park |
01/21/2027 - 01/21/2027
Thu : 6:30 PM - 8:00 PM
|
8 to 99 Years |
25
|
10/27/2026 to 01/20/2027 |
Coming Soon
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| S84.M75X |
Turner Farm Park |
02/18/2027 - 02/25/2027
Thu : 6:30 PM - 8:00 PM
|
8 to 99 Years |
25
|
10/27/2026 to 02/17/2027 |
Coming Soon
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Origin of our Universe - The Big Bang 8+
(8-Adult) We all want to know how our universe began, how stars and galaxies evolved, and what is this stuff called dark matter and dark energy. In this seminar we'll look at what astronomers try to answer these big questions about the big bang. We'll also look at some of the astronomers and what their observations revealed. The course will be held in the Roll-Top observatory at Turner Farm Park with an optional observing session (weather dependent). Instruction for this program is provided by volunteers of the Analemma Society.
Show 1 session
| Session |
Place |
Schedule |
Restrictions |
Seats |
Sign Up |
Select |
| E58.Y2CQ |
Turner Farm Park |
11/02/2026 - 11/02/2026
Mon : 7:30 PM - 9:00 PM
|
8 to 99 Years |
23
|
08/11/2026 to 11/01/2026 |
Sign Up!
|
Our Continuing Exploration of the Planet Mars
(8-Adult) Mars has had a long and fascinating history as revealed by spacecraft orbiting the planet and rovers traveling on its surface. We will review the discoveries made by past and current missions and what they say about the possibility of life on Mars. The discussion is followed by an observatory session with telescopes, weather permitting. The course is held rain or clear skies in the Roll-Top Observatory at Turner Farm Park.
Show 1 session
| Session |
Place |
Schedule |
Restrictions |
Seats |
Sign Up |
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| DF5.TF70 |
Turner Farm Park |
02/22/2027 - 02/22/2027
Mon : 7:30 PM - 9:00 PM
|
8 to 99 Years |
12
|
10/27/2026 to 02/22/2027 |
Coming Soon
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Planet Adventure Night
(6-Adult) This program is a tour of the planets and moons of our Solar System which are viewable in the current night sky. The classroom discussion is followed by an observatory session of planets and the stars beyond in telescopes, weather permitting. No knowledge of astronomy is needed, just an interest in learning about the universe. The course is held rain or clear skies in the Roll-Top Observatory at Turner Farm Park. Children must be accompanied by an adult also registered in the program.
Show 5 sessions
| Session |
Place |
Schedule |
Restrictions |
Seats |
Sign Up |
Select |
| 8PM.22KY |
Turner Farm Park |
10/14/2026 - 10/14/2026
Wed : 6:30 PM - 8:00 PM
|
6 to 99 Years |
None
|
08/11/2026 to 10/13/2026 |
Waitlist!
|
| 8PM.KWTU |
Turner Farm Park |
11/04/2026 - 11/04/2026
Wed : 6:30 PM - 8:00 PM
|
6 to 99 Years |
24
|
08/11/2026 to 11/03/2026 |
Sign Up!
|
| 8PM.OM91 |
Turner Farm Park |
12/17/2026 - 12/17/2026
Thu : 6:30 PM - 8:00 PM
|
8 to 99 Years |
25
|
10/27/2026 to 12/16/2026 |
Coming Soon
|
| 8PM.TZDW |
Turner Farm Park |
02/04/2027 - 02/04/2027
Thu : 6:30 PM - 8:00 PM
|
8 to 99 Years |
25
|
10/27/2026 to 02/03/2027 |
Coming Soon
|
| 8PM.D32X |
Turner Farm Park |
02/25/2027 - 02/25/2027
Thu : 6:30 PM - 8:00 PM
|
8 to 99 Years |
25
|
10/27/2026 to 02/24/2027 |
Coming Soon
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Scouts Love the Stars - Astronomy Badge Workshop
Calling all girl scouts and cub scouts to the Observatory Park at Turner Farm for a night under the stars! At this event, scouts will visit stations where they will complete crafts and activities to fulfill requirements for astronomy-related badges. Most requirements will be fulfilled during this workshop and should only take about 1.5 hours to complete but scouts may stay for the full duration of the event. Badges covered include: Space Science Badges from Daisies to Juniors, Daisy/Brownie Dark Sky Patch, and Tiger Scouts: Sky is the Limit.
Show 1 session
| Session |
Place |
Schedule |
Restrictions |
Seats |
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| 2AD.2E96 |
Turner Farm Park |
Fri, 11/06/2026 5:30 PM - 8:00 PM
|
5 to 12 Years |
None
|
08/11/2026 to 11/06/2026 |
Sold Out
|
Space Exploration Merit Badge
This program satisfies most of the requirements to earn the badge. Scouts must complete all prework before the start of class. Pre-work and program details available at www.fairfaxcounty.gov/parks/scouts. Scouts unable to complete all requirements may receive partial credit from their merit badge counselor.
Show 1 session
| Session |
Place |
Schedule |
Restrictions |
Seats |
Sign Up |
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| 92C.QPFG |
Turner Farm Park |
01/09/2027 - 01/09/2027
Sat : 1:00 PM - 5:00 PM
|
11 to 17 Years |
16
|
10/27/2026 to 01/08/2027 |
Coming Soon
|
Sponsored Night Sky Viewing
This evening program will highlight the unique viewing opportunities at Observatory Park at Turner Farm. Explore the special sights appearing in the night sky this month, take part in solar system walks, and enjoy dark sky education. This public viewing event is free, but registration is required to secure your spot under the stars. The program is proudly sponsored by the Analemma Society, who invites all participants to support our community through the “Cans for Cosmos” food drive. Registrants are asked to donate canned or packaged food items. All donations will be distributed by Cornerstones of Reston to local individuals and families. Donations are completely voluntary. Accepted items include beans of all varieties, pasta and rice, fruits and vegetables, soups and other non perishable foods in cans or plastic packaging (please no glass). The Analemma Society looks forward to welcoming you for an evening of sky exploration and community support.
Show 1 session
| Session |
Place |
Schedule |
Restrictions |
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| J26.88FA |
Turner Farm Park |
Fri, 10/23/2026 7:00 PM - 9:00 PM
|
1 to 99 Years |
None
|
08/11/2026 to 10/23/2026 |
Sold Out
|
Stargazing with Binoculars
(8-Adult) Binoculars offer a fine introduction to the sights that lie in our night sky. Learn about different types of binoculars and how to use them to find planets, galaxies, star clusters, nebulae and to visually stroll through the beautiful star fields of the Milky Way. Attendees are welcome to bring binoculars. Program includes an observing session to help you find objects visible in the night sky, weather permitting. Instruction for this program is provided by volunteers of the Analemma Society.
Show 1 session
| Session |
Place |
Schedule |
Restrictions |
Seats |
Sign Up |
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| 6WS.7SS6 |
Turner Farm Park |
11/09/2026 - 11/09/2026
Mon : 7:30 PM - 9:00 PM
|
8 Years and Up |
20
|
08/11/2026 to 11/08/2026 |
Sign Up!
|
Telescope Observing for Beginners
(8-Adult) This course covers the basics of observing the night sky and objects with a telescope and astronomy resources. Class will provide hands-on observation with telescopes weather permitting. Attendees can bring their own telescopes to use and receive assistance. FCPA, its staff, and volunteers are not responsible for personal equipment. The course is held rain or clear skies in the Roll-Top Observatory at Turner Farm Park.
Show 1 session
| Session |
Place |
Schedule |
Restrictions |
Seats |
Sign Up |
Select |
| 12U.Y87Z |
Turner Farm Park |
10/19/2026 - 10/19/2026
Mon : 7:30 PM - 9:00 PM
|
8 to 99 Years |
9
|
08/11/2026 to 10/18/2026 |
Sign Up!
|