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Register 19 Seats Remaining

Exoplanet Detection

Presentation & Demonstration
2026-01-13 18:00:00 2026-01-13 19:00:00 America/New_York Exoplanet Detection Come join NASA Solar System Ambassador, Sigfried Hache, in discussing Exoplanet Detection! Kate Waller Barrett Branch Library - Second Floor

Tuesday, January 13
6:00pm - 7:00pm

Add to Calendar 2026-01-13 18:00:00 2026-01-13 19:00:00 America/New_York Exoplanet Detection Come join NASA Solar System Ambassador, Sigfried Hache, in discussing Exoplanet Detection! Kate Waller Barrett Branch Library - Second Floor

Come join NASA Solar System Ambassador, Sigfried Hache, in discussing Exoplanet Detection!

In this interactive lecture and demonstration, we’ll focus on exoplanet detection! What information can we glean from planets that are passing in front of their host star? What are some of the emerging advanced methods, and where is there opportunity? Let's chat about that!

Registration is appreciated. Contact mzimmerman@alexlibraryva.org for more details.

The NASA Solar System Ambassadors program is a public engagement effort that works with motivated volunteers across the nation to communicate the science and excitement of NASA's space exploration missions and discoveries with the people in their communities.

AGE GROUP: | Teens | Adults |

EVENT TYPE: | Technology | STEM/STEAM |

TAGS: | Space | Science | Planets | NASA Solar Ambassadors | Exploration |

Kate Waller Barrett Branch Library
jcahill@alexlibraryva.org
Phone: 703.746.1703
Fax: 703.746.1708
Branch manager
James Cahill
Hours
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Mon, Nov 17 10:00AM to 8:00PM
Tue, Nov 18 10:00AM to 8:00PM
Wed, Nov 19 10:00AM to 8:00PM
Thu, Nov 20 10:00AM to 8:00PM
Fri, Nov 21 10:00AM to 5:00PM
Sat, Nov 22 10:00AM to 5:00PM
Sun, Nov 23 1:00PM to 5:00PM
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About the branch

Parking: No library parking lot.  Street parking is available.  A paid parking lot is available on the 100 block of North Alfred Street. 

Public Transit:

  • Metrorail: Yellow and Blue lines at Braddock Road (1 mile) and King Street Stations (1.1 miles). 
  • Metrobus: A11, A12, F19
  • DASH Bus: 30, 31, Old Town Circulator
  • King Street Trolley:  King & Columbus

For reasonable disability accommodation, contact jgregorio@alexlibraryva.org or call 703.746.1701 or TTY 703.746.1790.

Upcoming Events

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Just Babies - Solo Los Bebés
Wed, Nov 19, 11:00am - 11:30am
Youth Services Area
A lapsit and playtime just for babies ages 0-12 months.and their grownups.
Painternoon - A monthly painting club!
Wed, Nov 19, 3:00pm - 4:30pm
Second Floor
Let's paint at the library! Follow along to instructions to create the monthly painting or create your own unique work of art!
This event is full
Book a Librarian - Application Assistance
Thu, Nov 20, 10:00am - 12:00pm
Get help with applications. Appointments are available at 10 and 11 AM. Please call 703-746-1721 to schedule an appointment.
1000 Books Story Time - A Story Time for ages 2-5
Thu, Nov 20, 11:00am - 11:35am
Youth Services Area
Stories, songs, movement and more for ages 2-5
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Thu, Nov 20, 3:00pm - 4:30pm
Second Floor
Join Barrett Branch’s fiber arts group making items to donate.
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Thu, Nov 20, 6:00pm - 7:30pm
Second Floor
Looking to join a Dungeons and Dragons group? Look no further!
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Mon, Nov 24, 6:30pm - 7:45pm
Second Floor
Join this 3-part series with certified educator Byul Yim to learn Korean in a fun, small-group setting.
Registration is now closed
Eco:mmunion - Conversations to Sustain People and Planet
Tue, Nov 25, 6:45pm - 7:45pm
Looking for a space to talk about climate change and the things affected that we love? Join us for a monthly discussion focused on a relevant topic. Register to receive the materials suggestions.
Upcycled Wrapping - Gift Decorating Kits
Mon, Dec 01, All day
Don't spend money on more wrapping paper! Create beautifully wrapped gifts that will marvel your loved ones and spare the Earth. Pick up a kit at the Barrett Branch beginning December 1.
Upcycled Wrapping - Gift Decorating Kits
Tue, Dec 02, All day
Don't spend money on more wrapping paper! Create beautifully wrapped gifts that will marvel your loved ones and spare the Earth. Pick up a kit at the Barrett Branch beginning December 1.
Sunshine Readers - An outside book club!
Tue, Dec 02, 10:00am - 11:30am
Outdoors
Let's get some fresh air, explore Old Town, and talk about the latest books we've been reading!
Bilingual Storytime - Hora de cuentos bilingue
Tue, Dec 02, 10:30am - 10:45am
Youth Services Area
Start your morning with stories, rhymes and songs in English and Spanish ¡Empieza su mañana con cuentos, rimas y canciones en inglés y español!
Baby and Toddler Time - La hora de los bebés y los niños
Tue, Dec 02, 11:00am - 11:40am
Youth Services Area
Just right for ages 0-23 months! Songs, games, movement activities, and bubbles.
Upcycled Wrapping - Gift Decorating Kits
Wed, Dec 03, All day
Don't spend money on more wrapping paper! Create beautifully wrapped gifts that will marvel your loved ones and spare the Earth. Pick up a kit at the Barrett Branch beginning December 1.
Just Babies - Solo Los Bebés
Wed, Dec 03, 11:00am - 12:00pm
Youth Services Area
A lapsit and playtime just for babies ages 0-12 months.and their grownups.
Citizenship and Immigration 101 - A Guide to Your Rights and The Process
Wed, Dec 03, 6:00pm - 7:00pm
Second Floor
Learn about citizenship and an update on the immigration process as we celebrate Bill of Rights Day This seminar is presented in person at Barrett Library (717 Queen Street, Alexandria, VA) .
Upcycled Wrapping - Gift Decorating Kits
Thu, Dec 04, All day
Don't spend money on more wrapping paper! Create beautifully wrapped gifts that will marvel your loved ones and spare the Earth. Pick up a kit at the Barrett Branch beginning December 1.
Book a Librarian - Application Assistance
Thu, Dec 04, 10:00am - 12:00pm
Get help with applications. Appointments are available at 10 and 11 AM. Please call 703-746-1721 to schedule an appointment.
1000 Books Story Time - A Story Time for ages 2-5
Thu, Dec 04, 11:00am - 11:40am
Youth Services Area
Stories, songs, movement and more for ages 2-5
Carefull Knit & Crochet - Crafting for Good
Thu, Dec 04, 3:00pm - 4:30pm
Second Floor
Join Barrett Branch’s fiber arts group making items to donate.
Dungeons and Dragons: Teen Group! - Adventure awaits!
Thu, Dec 04, 6:00pm - 7:30pm
Second Floor
Looking to join a Dungeons and Dragons group? Look no further!
This event is full
Upcycled Wrapping - Gift Decorating Kits
Fri, Dec 05, All day
Don't spend money on more wrapping paper! Create beautifully wrapped gifts that will marvel your loved ones and spare the Earth. Pick up a kit at the Barrett Branch beginning December 1.
Upcycled Wrapping - Gift Decorating Kits
Sat, Dec 06, All day
Don't spend money on more wrapping paper! Create beautifully wrapped gifts that will marvel your loved ones and spare the Earth. Pick up a kit at the Barrett Branch beginning December 1.
Book Sale - Friends of the Barrett Library
Sat, Dec 06, 10:00am - 4:00pm
Join the Friends of the Barrett Library for their Winter Book Sale
Spanish Conversation Club
Sat, Dec 06, 3:00pm - 4:00pm
Ages 14+. Develop and exercise your spanish conversation skills.
Upcycled Wrapping - Gift Decorating Kits
Sun, Dec 07, All day
Don't spend money on more wrapping paper! Create beautifully wrapped gifts that will marvel your loved ones and spare the Earth. Pick up a kit at the Barrett Branch beginning December 1.
Upcycled Wrapping - Gift Decorating Kits
Mon, Dec 08, All day
Don't spend money on more wrapping paper! Create beautifully wrapped gifts that will marvel your loved ones and spare the Earth. Pick up a kit at the Barrett Branch beginning December 1.
Let's Share Books - A Let's Talk Books End of Year Celebration
Mon, Dec 08, 7:00pm - 7:50pm
Second Floor
Join the Let's Talk Books discussion group to recommend and learn about books and writings enjoyed throughout the year. There will be after dinner sweets and drinks.
Upcycled Wrapping - Gift Decorating Kits
Tue, Dec 09, All day
Don't spend money on more wrapping paper! Create beautifully wrapped gifts that will marvel your loved ones and spare the Earth. Pick up a kit at the Barrett Branch beginning December 1.
Bilingual Storytime - Hora de cuentos bilingue
Tue, Dec 09, 10:30am - 10:45am
Youth Services Area
Start your morning with stories, rhymes and songs in English and Spanish ¡Empieza su mañana con cuentos, rimas y canciones en inglés y español!
Baby and Toddler Time - La hora de los bebés y los niños
Tue, Dec 09, 11:00am - 11:40am
Youth Services Area
Just right for ages 0-23 months! Songs, games, movement activities, and bubbles.
NASA's Roman Space Telescope - Core Community Surveys
Tue, Dec 09, 6:00pm - 7:00pm
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Come join NASA Solar System Ambassador, Sigfried Hache, in discussing NASA’s flagship observatory: The Roman Space Telescope.
Rescheduled
Exoplanet Detection - Presentation & Demonstration
Tue, Dec 09, 6:00pm - 7:00pm
New date Tuesday, January 13, 6:00pm - 7:00pm
Come join NASA Solar System Ambassador, Sigfried Hache, in discussing Exoplanet Detection!
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