"📣 Out-of-this-world holiday gift idea! 📣 2025 Astronomy magazine calendars are available NOW for purchase. Give the gift of curiosity & wonder for a full 12 months. Calendars are $13, so stop by to grab 1 for yourself & a special friend or family member! #wherethestarshangout
5 months ago, Lisa Swaney
Calendars for sale
Check out our lineup this week! If you are looking fun and unique way to enjoy the season, come check out a holiday planetarium show! Tickets are only $5.00 per person and can be purchased at the ticketing link in our bio!
5 months ago, Lisa Swaney
Weekly Schedule
Jupiter will rise at sunset & be up all night tonight, shining at a brilliant magnitude of –2.8, giving Venus a run for its money. This is the best time all year to see it, and even through binoculars, you can see its four largest moons and some of its striped clouds.
5 months ago, Lisa Swaney
Jupiter
Tomorrow is the first week of our December Saturday show schedule. NEW SHOW @ 11am- Let It Snow 1pm- Mystery of the Christmas Star Both are excellent options to celebrate the season. You may purchase tickets and save your seats by heading to hdplanetarium.ticketleap.com!
5 months ago, Lisa Swaney
Mystery of the Christmas Star
A few weeks ago, on a snowy Thursday, Planetarium team Lisa & Kelly traveled to Lambeau Field. It wasn't for a Packer game but for a grant from the Green Bay Packer Foundation! The money will be used to improve our audio system for those with hearing impairments. #PackersGiveBack
5 months ago, Lisa Swaney
Green Bay Packer Foundation Grant
Green Bay Packer Foundation Grant
"The first of our holiday season shows is featured today! Join us at 11 am for ""Khrumka's Adventure in the Winter Forest."" It's a beautiful show with some great astronomy content. Tickets are just $5.00/person and can be reserved at hdplanetarium.ticketleap.com!
5 months ago, Lisa Swaney
Planetarium Show today
We are excited to celebrate the wonderful people who volunteer to help us run smoothly. Both Retzer & the Horwitz-DeRemer Planetarium will honor these individuals at our annual Volunteer Appreciation Breakfast today. It's just a small ""thank you"" for the big ways they help us!
5 months ago, Lisa Swaney
Thank you!
Still shopping for the holidays? Planetarium passes could be great stocking stuffers for friends, family, co-workers, or neighbors! Don't forget about our current promotion! We are selling memberships for 2024-2025, which is a great value for the space lovers in your life!
5 months ago, Lisa Swaney
Holiday Planetarium Ticket Promotion
Happy December! We are jumping right into holiday mode! Holiday decorating, holiday shows & tunes. And, don't worry, because we have a few different festive shows scheduled, you'll have a couple of chances to catch a Christmas show. It's the most wonderful time of the year!🎶
5 months ago, Lisa Swaney
Weekly Schedule
It's the last day & last Saturday in November....that means the last chance to check out this pair of shows! 11am- "Cosmic Colors: An Adventure Along the Spectrum." 1pm- "100 Years to Eternity" Tickets are just $5 and can be purchased at hdplanetarium.ticketleap.com.
5 months ago, Lisa Swaney
Shows today
We know you are thinking about Christmas gifts today. Consider the gift of exploration and wonder! 2 options- Purchase a 6-pack of public show passes for $25. Annual memberships- purchase this membership now and it will last through March 2026...a gift that keeps on giving!
5 months ago, Lisa Swaney
Gift ideas
Enjoy your day! And, Go Packers! #wherethestarshangout
5 months ago, Lisa Swaney
Happy Thanksgiving!
Are your kids home from school today? Do you need a quick break from Thanksgiving cooking and baking? If so, come visit the Horwitz-DeRemer Planetarium today! Today just may be the perfect opportunity to use your library summer reading passes that your kiddos earned!
5 months ago, Lisa Swaney
Shows today
Hooray for another visible planet in our night sky! Mars rises in the east-northeast around 8:30 pm. It will continue to brighten each evening, ending the month at slightly brighter than zero magnitude. See if you can sneak a peek! #wherethestarshangout
5 months ago, Lisa Swaney
Mars
Here's our schedule for the week! Please note that the Retzer Learning Center (and the Horwitz-DeRemer Planetarium) will be closed Thursday and Friday this week. However, the outdoor areas and trails are open and available for exploration! #wherethestarshangout
5 months ago, Lisa Swaney
Weekly Schedule
In less than a month, kiddos will be home for winter break! Check out our post and mark your calendars for some great shows to add to your "winter break bucket list!" We'd love to see you under the stars! #wherethestarshangout
5 months ago, Lisa Swaney
Holiday Break Schedule
Looking for a fun Saturday activity? Visit the Horwitz-DeRemer Planetarium today for a show and star talk! Tickets are just $5.00 and can be purchased at hdplanetarium.ticketleap.com. Or, we will sell available tickets up until showtime! #wherethestarshangout
5 months ago, Lisa Swaney
Shows today
Fun Fact Friday! Did you know that full moons on Thanksgiving are extremely rare? Thanksgiving can fall anywhere between Nov. 20-30, while the full moon in November can occur any day. The last time we had a Thanksgiving full moon was in 1920. It will not happen again until 2069!
5 months ago, Lisa Swaney
Full moon
Enjoy this philosophical ""Thoughtful Thursday!"" #wherethestarshangout
5 months ago, Lisa Swaney
Thoughtful Thursday
Interested in becoming an amateur stargazer? The planetarium has free starter stargazing kits for families to check out & borrow to give it a try! All you need to do is become a Friend of the Planetarium and you can check out these backpacks and start exploring the night sky.
5 months ago, Lisa Swaney
Stargazer Kits