• Space Science Shirt, Physics T-Shirt, Cosmos Astrophysics Student, STEM Gift, 90s Y2K Retro Tee image 1
  • May include: Ivory-colored t-shirt with a graphic of a galaxy and the text "COSMIC EXPANSION - A UNIVERSE IN MOTION." The design includes text about the universe's expansion. The shirt is a casual, unisex style.
  • May include: A set of three ceramic mugs with a speckled, matte finish. The mugs are in shades of cream, light gray, and dark gray. Each mug has a simple, minimalist design, perfect for coffee or tea.
  • Space Science Shirt, Physics T-Shirt, Cosmos Astrophysics Student, STEM Gift, 90s Y2K Retro Tee White
  • May include: A set of three ceramic mugs with a speckled, matte finish. The mugs are in shades of cream, light gray, and dark gray. Each mug has a simple, minimalist design, perfect for coffee or tea.
  • May include: A light green t-shirt with the text "COSMIC EXPANSION" and a graphic of a galaxy. The shirt also has text describing the expansion of the universe. The shirt is worn by a person.
  • Space Science Shirt, Physics T-Shirt, Cosmos Astrophysics Student, STEM Gift, 90s Y2K Retro Tee Seafoam
  • May include: Ice blue t-shirt with a graphic of a galaxy and the words "COSMIC EXPANSION" and "A UNIVERSE IN MOTION". The shirt also has text about the expansion of the universe. The shirt is made of a soft material.
  • May include: Light blue t-shirt with a graphic of a galaxy and the text "COSMIC EXPANSION". The shirt also includes text about the universe's expansion. The shirt is made of chambray fabric.
  • May include: A light blue t-shirt with the text "COSMIC EXPANSION" and a graphic of a galaxy. The shirt also has additional text describing the expansion of the universe. The shirt is made of washed denim.
  • Space Science Shirt, Physics T-Shirt, Cosmos Astrophysics Student, STEM Gift, 90s Y2K Retro Tee Espresso
  • May include: Violet t-shirt with a graphic of a galaxy and the words "COSMIC EXPANSION" and "A UNIVERSE IN MOTION". The graphic includes text about the universe's expansion. The shirt is a relaxed fit.
  • Space Science Shirt, Physics T-Shirt, Cosmos Astrophysics Student, STEM Gift, 90s Y2K Retro Tee image 13
  • May include: A set of three ceramic mugs with a speckled, matte finish. The mugs are in shades of cream, light gray, and dark gray. Each mug has a simple, minimalist design, perfect for coffee or tea.
  • May include: Two purple t-shirts with size charts for US and EU measurements. The US chart shows width and length in inches, ranging from 18.25 to 29.75 inches wide and 26.6 to 33.5 inches long. The EU chart shows width and length in centimeters.
  • May include: Care instructions graphic with a teal and purple gradient background. Text includes washing machine, bleach, tumble dry, iron, and do not dry clean symbols. Instructions advise washing cold, using non-chlorine bleach, tumble drying low, and cool ironing.
  • Space Science Shirt, Physics T-Shirt, Cosmos Astrophysics Student, STEM Gift, 90s Y2K Retro Tee image 1
  • Product video
  • May include: Ivory-colored t-shirt with a graphic of a galaxy and the text "COSMIC EXPANSION - A UNIVERSE IN MOTION." The design includes text about the universe's expansion. The shirt is a casual, unisex style.
  • May include: A set of three ceramic mugs with a speckled, matte finish. The mugs are in shades of cream, light gray, and dark gray. Each mug has a simple, minimalist design, perfect for coffee or tea.
  • Space Science Shirt, Physics T-Shirt, Cosmos Astrophysics Student, STEM Gift, 90s Y2K Retro Tee White
  • May include: A set of three ceramic mugs with a speckled, matte finish. The mugs are in shades of cream, light gray, and dark gray. Each mug has a simple, minimalist design, perfect for coffee or tea.
  • May include: A light green t-shirt with the text "COSMIC EXPANSION" and a graphic of a galaxy. The shirt also has text describing the expansion of the universe. The shirt is worn by a person.
  • Space Science Shirt, Physics T-Shirt, Cosmos Astrophysics Student, STEM Gift, 90s Y2K Retro Tee Seafoam
  • May include: Ice blue t-shirt with a graphic of a galaxy and the words "COSMIC EXPANSION" and "A UNIVERSE IN MOTION". The shirt also has text about the expansion of the universe. The shirt is made of a soft material.
  • May include: Light blue t-shirt with a graphic of a galaxy and the text "COSMIC EXPANSION". The shirt also includes text about the universe's expansion. The shirt is made of chambray fabric.
  • May include: A light blue t-shirt with the text "COSMIC EXPANSION" and a graphic of a galaxy. The shirt also has additional text describing the expansion of the universe. The shirt is made of washed denim.
  • Space Science Shirt, Physics T-Shirt, Cosmos Astrophysics Student, STEM Gift, 90s Y2K Retro Tee Espresso
  • May include: Violet t-shirt with a graphic of a galaxy and the words "COSMIC EXPANSION" and "A UNIVERSE IN MOTION". The graphic includes text about the universe's expansion. The shirt is a relaxed fit.
  • Space Science Shirt, Physics T-Shirt, Cosmos Astrophysics Student, STEM Gift, 90s Y2K Retro Tee image 13
  • May include: A set of three ceramic mugs with a speckled, matte finish. The mugs are in shades of cream, light gray, and dark gray. Each mug has a simple, minimalist design, perfect for coffee or tea.
  • May include: Two purple t-shirts with size charts for US and EU measurements. The US chart shows width and length in inches, ranging from 18.25 to 29.75 inches wide and 26.6 to 33.5 inches long. The EU chart shows width and length in centimeters.
  • May include: Care instructions graphic with a teal and purple gradient background. Text includes washing machine, bleach, tumble dry, iron, and do not dry clean symbols. Instructions advise washing cold, using non-chlorine bleach, tumble drying low, and cool ironing.
Report this item to Etsy

Space Science Shirt, Physics T-Shirt, Cosmos Astrophysics Student, STEM Gift, 90s Y2K Retro Tee

Laura

Designed by Laura

Owner of shopgroovythoughts

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What to know

Materials

Cotton

Made to Order

Yes

We are always in motion! This vintage aesthetic Cosmic Expansion shirt will be perfect for astrophysics students, science teachers or anyone appreciating some geeky science and retro vibes.

👕 Product details:
- 100% ring-spun cotton
- Garment-dyed for a soft look
- Relaxed fit
- Vintage style print, illustration elements are faded or grainy on purpose to give a nostalgic look
- This t-shirt undergoes garment-dyeing and softening processes, which may cause slight color variations
- See sizing chart in product gallery for measurement details. Size up a couple of sizes for an oversized look.

ℹ️ Care instructions:
- Machine wash cold, inside-out, gentle cycle with mild detergent and similar colors. Use non-chlorine bleach, only when necessary. No fabric softeners.
- Tumble dry low, or hang-dry for longest life.
- Cool iron inside-out if necessary. Do not iron decoration.
- Do not dry clean.

🔁 Returns:
As every item is made to order, usually returns are not accepted, but if you have any issue with your item or any questions regarding the item, please, contact me.
By making each item to order, we are reducing excess product waste.

View full item details

What buyers say

5.0 (2)

“Great, color and quality as expected”

Ludovic

Jul 6, 2026

View all item reviews

NowPrice:$29.00+

Original Price: $38.67+

25% off

•

Sale ends in 16:12:45

Shipping & return policies

  • Get it by
    Aug 13-19
  • Returns
    Accepted within 30 days.
  • Ships from
    Charlotte, NC
  • Cost to Ship
    $4.87 to United States, 43215

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This seller consistently earned 5-star reviews, shipped on time, and replied quickly to any messages they received.

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Reviews for this item

5.0

We calculate this number using a recency-weighted average of all ratings, with a rating's value decreasing by half each year to best reflect the current experience.

(2 reviews)

5.0 Item quality
5.0 Shipping
5.0 Customer service
100% Buyers recommend
5 out of 5 stars 5

Ludovic Jul 6, 2026

Great, color and quality as expected

Ludovic Jul 6, 2026

Response from Laura

Thank you! 😊

5 out of 5 stars 5

dan May 25, 2026

Great shirt. Exactly what I wanted.

dan May 25, 2026

Meet your seller

shopgroovythoughts
Laura
shopgroovythoughts ·

Riga, Latvia

We calculate this number using a recency-weighted average of all ratings, with a rating's value decreasing by half each year to best reflect the current experience. 4.9
·
251 sales
·
5 months on Etsy

Usually responds in a few hours

Smooth shipping Has a history of shipping on time with tracking.

Speedy replies Has a history of replying to messages quickly.

Rave reviews Average review rating is 4.8 or higher.

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