Thank you to everyone who contributed or shared our Giving Tuesday campaign last month. We're thrilled to share that we raised nearly $2,500 that will be matched by the FRIENDS of the Horwitz-DeRemer Planetarium!

#givingtuesday #wherethestarshangout
3 months ago, Lisa Swaney
Thank you to everyone who contributed or shared our Giving Tuesday campaign last month. We're thrilled to share that we raised nearly $2,500 that will be matched by the FRIENDS of the Horwitz-DeRemer Planetarium!  #givingtuesday #wherethestarshangout
⏰ 4️⃣ days left to vote!
The Horwitz-DeRemer Planetarium is nominated for Milwaukee Magazine’s Best of the Burbs 🌟

Vote daily:
➡️ vote.milwaukeemag.com
➡️ Recreation & Outdoors → Day Outing
➡️ Horwitz-DeRemer Planetarium

Thank you for the support!
#wherethestarshangout ✨
3 months ago, Lisa Swaney
⏰ 4️⃣ days left to vote! The Horwitz-DeRemer Planetarium is nominated for Milwaukee Magazine’s Best of the Burbs 🌟  Vote daily: ➡️ vote.milwaukeemag.com ➡️ Recreation & Outdoors → Day Outing ➡️ Horwitz-DeRemer Planetarium  Thank you for the support! #wherethestarshangout ✨
Happy first full week of January!

Check out our happenings this week. And, we'll be participating in Waukesha JanBoree this Saturday, offering FREE planetarium showings to ""Aurora: Lights of Wonder."" Join us if you can!

#wherethestarshangout
3 months ago, Lisa Swaney
Happy first full week of January!  Check out our happenings this week.  And, we'll be participating in Waukesha JanBoree this Saturday, offering FREE planetarium showings to ""Aurora: Lights of Wonder."" Join us if you can!  #wherethestarshangout
Looking for a family-friendly activity today? Come over to the Horwitz-DeRemer Planetarium!

11:00am- Defying Gravity
1:00pm- Messengers of Time & Space

Tickets are $5 & can be purchased at hdplanetarium.ticketleap.com. We highly suggest purchasing tickets ahead of time.

3 months ago, Lisa Swaney
"Looking for a family-friendly activity today?  Come over to the Horwitz-DeRemer Planetarium!  At 11:00am, we'll feature ""Defying Gravity."" Later at 1:00pm, come check out the ""new-to-us"" show ""Messengers of Time & Space.""  Tickets are $5.00 per person and can be purchased at hdplanetarium.ticketleap.com.  We always highly suggest purchasing tickets ahead of time.  But, walk-ins are welcome, subject to availability.  #wherethestarshangout"""
The biggest planet takes the spotlight! 🌕
On Jan 10, Jupiter reaches opposition—opposite the Sun and at its brightest (mag –2.7). Its disk spans ~47", making it an easy target for stargazers. 🔭✨
3 months ago, Lisa Swaney
The biggest planet takes the spotlight! 🌕 On Jan 10, Jupiter reaches opposition—opposite the Sun and at its brightest (mag –2.7). Its disk spans ~47", making it an easy target for stargazers. 🔭✨

⏰ Voting closes in 6 days! Please vote for the Horwitz-DeRemer Planetarium in Milwaukee Magazine’s Best of the Burbs ⭐️
👉 vote.milwaukeemag.com
👉 Recreation & Outdoors
👉 Category: Day Outing
👉 Select Horwitz-DeRemer Planetarium
👉 Click Vote!

3 months ago, Lisa Swaney
⏰ Voting closes in 6 days! Please vote for the Horwitz-DeRemer Planetarium in Milwaukee Magazine’s Best of the Burbs ⭐️ It’s quick & easy:  👉 vote.milwaukeemag.com 👉 Recreation & Outdoors 👉 Category: Day Outing 👉 Select Horwitz-DeRemer Planetarium 👉 Click Vote!  You can vote daily—spread the word! Thank you for your support ✨
Join us for Wild Winter Night!
February 13, 2026 at Retzer Nature Center
$6/person
Free for Ages 2 & Under, Friends of Retzer Members and Friends of the Horwitz-DeRemer Planetarium Members; however, all must register.
• Self-guided hike by candlelight from 6:00 pm - 9:00 pm (Snowshoes will be available if conditions allow; rental fee included with registration)
• View the night sky with telescopes
• Mama D’s Coffee will be selling warm beverages and sweets in the Community Room
• “Cosmic Questions: Answers & Mysteries” Planetarium Show (6:45pm & 7:30pm)
• Presentation by Michelle Thaller (6:15pm and 8:15pm), former Assistant Director for Science Communication at NASA Goddard Space Flight Center
• Enjoy stories around the indoor "fire" and outside around the real fire

Register Here: https://bit.ly/2026WWN
3 months ago, Lisa Swaney
Join us for Wild Winter Night!  February 13, 2026 at Retzer Nature Center $6/person Free for Ages 2 & Under, Friends of Retzer Members and Friends of the Horwitz-DeRemer Planetarium Members; however, all must register. • Self-guided hike by candlelight from 6:00 pm - 9:00 pm (Snowshoes will be available if conditions allow; rental fee included with registration) • View the night sky with telescopes • Mama D’s Coffee will be selling warm beverages and sweets in the Community Room • “Cosmic Questions: Answers & Mysteries” Planetarium Show (6:45pm & 7:30pm) • Presentation by Michelle Thaller (6:15pm and 8:15pm), former Assistant Director for Science Communication at NASA Goddard Space Flight Center • Enjoy stories around the indoor "fire" and outside around the real fire  Register Here: https://bit.ly/2026WWN
It's our first Wednesday Public Show of 2026! And, it's a good one!

Join us at 11am for ""Two Small Pieces of Glass"" As always, tickets are $5.00 per person, so join us if you can!

#wherethestarshangout
3 months ago, Lisa Swaney
It's our first Wednesday Public Show of 2026!  And, it's a good one!  Join us at 11am for ""Two Small Pieces of Glass""  As always, tickets are $5.00 per person, so join us if you can!  #wherethestarshangout
Nine days remain to vote for the Horwitz-DeRemer Planetarium for Milwaukee Magazine's “Best of the Burbs!” Please follow the quick and easy steps below to vote. And remember, you can vote daily from each email address you have 🙂 #wherethestarshangout 1️⃣ Go to vote.milwaukeemag.com 2️⃣ Click on “Recreation & Outdoors” square 3️⃣ Under Categories, select “Day Outing” 4️⃣ Select Horwitz-DeRemer Planetarium 5️⃣ Click “Vote!” Either continue to vote for other categories or you are done!
3 months ago, Lisa Swaney
Nine days remain to vote for the Horwitz-DeRemer Planetarium for Milwaukee Magazine's “Best of the Burbs!” Please follow the quick and easy steps below to vote. And remember, you can vote daily from each email address you have 🙂 #wherethestarshangout 1️⃣ Go to vote.milwaukeemag.com 2️⃣ Click on “Recreation & Outdoors” square 3️⃣ Under Categories, select “Day Outing” 4️⃣ Select Horwitz-DeRemer Planetarium 5️⃣ Click “Vote!” Either continue to vote for other categories or you are done!
We are happy to welcome back our first School District of Waukesha schools to the planetarium in 2026!

This week, we'll see 3rd graders from Waukesha STEM Academy, Summit View, and Heyer! Also, see you soon 8th graders from Horning Middle School and Les Paul!

3 months ago, Lisa Swaney
We are happy to welcome back our first School District of Waukesha schools to the planetarium in 2026!  This week, we'll see 3rd graders from Waukesha STEM Academy, Summit View, and Heyer!  Also, see you soon 8th graders from Horning Middle School and Les Paul!  Third graders will enjoy Extreme Weather and eighth graders will view Unseen Universe  #wherethestarshangout
Happy first full week of January!

Check out our happenings this week. In case you were wondering, even if it's cold outside, it's always warm in the dome!

Join us if you can!

#wherethestarshangout
3 months ago, Lisa Swaney
Happy first full week of January!  Check out our happenings this week.  In case you were wondering, even if it's cold outside, it's always warm in the dome!   Join us if you can!  #wherethestarshangout
We have a new pair of shows for the Saturdays this month!

Tomorrow morning at 11am, join us for ""Defying Gravity: It Is Rocket Science."" At 1pm, you can view ""Messengers of TIme & Space."" Tickets are $5 & can be reserved at hdplanetarium.ticketleap.com.
3 months ago, Lisa Swaney
We have a new pair of shows for the Saturdays this month!  Tomorrow morning at 11am, join us for ""Defying Gravity: It Is Rocket Science.""  At 1pm, you can view ""Messengers of TIme & Space.""  Tickets are $5.00 per person and can be reserved at hdplanetarium.ticketleap.com.  However, we will sell available tickets on a walk-in basis up until showtime!  #wherethestarshangout
Catch the Wolf Moon tonight, the 1st supermoon of 2026! 🌕 We won't see another until fall! #wherethestarshangout
3 months ago, Lisa Swaney
Catch the Wolf Moon tonight, the 1st supermoon of 2026! 🌕 We won't see another until fall! #wherethestarshangout
""Focus on the good, and great things will follow. Happy New Year!""

#wherethestarshangout
3 months ago, Lisa Swaney
""Focus on the good, and great things will follow. Happy New Year!""  #wherethestarshangout
"The Horwitz-DeRemer Planetarium is excited about being nominated for the “Best of the Burbs” for the FOURTH year in a row! Just a friendly reminder that you can support us by voting DAILY! Here are the steps!

➡Go to vote.milwaukeemag.com
➡Click on “Recreation & Outdoors” square
➡Under Categories, select “Day Outing”
➡Vote for Horwitz-DeRemer Planetarium (at this point, you have to answer registration questions with email and zip code.)
➡Click “Vote!”
➡Either continue to vote for other categories or you are done!

Tell your friends, family and co-workers and vote now though January 15th.

Thank you for your support! #wherethestarshangout #milwaukeemag "
3 months ago, Lisa Swaney
The Horwitz-DeRemer Planetarium is excited about being nominated for the “Best of the Burbs” for the FOURTH year in a row! Just a friendly reminder that you can support us by voting DAILY!  Here are the steps!  ➡Go to vote.milwaukeemag.com ➡Click on “Recreation & Outdoors” square ➡Under Categories, select “Day Outing” ➡Vote for Horwitz-DeRemer Planetarium (at this point, you have to answer registration questions with email and zip code.) ➡Click “Vote!” ➡Either continue to vote for other categories or you are done!  Tell your friends, family and co-workers and vote now though January 15th.    Thank you for your support! #wherethestarshangout #milwaukeemag
Last shows of 2025! 🚀 Catch 'Cosmic Questions' at 11am & 'Dynamic Earth' at 1pm. Get tix at hdplanetarium.ticketleap.com! #wherethestarshangout
3 months ago, Lisa Swaney
Last shows of 2025! 🚀 Catch 'Cosmic Questions' at 11am & 'Dynamic Earth' at 1pm. Get tix at hdplanetarium.ticketleap.com! #wherethestarshangout
Last shows of 2025! 🚀 Catch 'Cosmic Questions' at 11am & 'Dynamic Earth' at 1pm. Get tix at hdplanetarium.ticketleap.com! #wherethestarshangout

Today is another day of bonus public shows at the Horwitz-DeRemer Planetarium! Here's what is on the schedule:

At 11:00am, come on in to enjoy "Constellations: Adventures Connecting Earth to Sky." Later on at 1pm, come for "Aurora: Lights of Wonder," a beautiful show for general audience.

Please join us under the dome for a little entertainment and a little education! It's a great way to spend a winter day!

#wherethestarshangout

3 months ago, Lisa Swaney
We have a few more bonus days of shows during winter break this week!

Be sure to enjoy your last few days of 2025...we'll see you in 2026!

#wherethestarshangout
3 months ago, Lisa Swaney
We have a few more bonus days of shows during winter break this week!   Be sure to enjoy your last few days of 2025...we'll see you in 2026!  #wherethestarshangout
Today is your last chance for a little Christmas cheer until next year! At 11am, join us for the fun and festive show ""Let It Snow!."" Later at 1pm, join us for the seasonal favorite ""Mystery of the Christmas Star.""

#wherethestarshangout
3 months ago, Lisa Swaney
"Need a little break from the holiday hustle and bustle? Remember that the Horwitz-DeRemer Planetarium is OPEN and has two public shows on the schedule today!

At 11:00am, come to enjoy ""Dinosaurs: A Story of Survival."" Later on at 1pm, come for ""The Artistic Universe!""

Save your seats by purchasing tickets at hdplanetarium.ticketleap.com! Hope to see you soon!

#wherethestarshangout"
3 months ago, Lisa Swaney