Finding new items for your household collection is just one of the many joys you can experience inThe Sims 4. Everything from artifacts to crystals to prints is yours to collect and enjoy. You can decorate your Sim’s house with them or sell them for cash.

Some of the most special collections are those you may find with rocketships, where you’ll be able to find all sorts of intergalactic goodies. This is where you can find the Space Rocks, Space Prints, and Alien Collections. If your Sim wants to have intergalactic memorabilia in their home, there are no better collections to complete than the Rocket Science ones.

A Sim builds a rocketship at night outside

How To Get Space Rocks And Alien Collections

You can find the Space Rocks and Aliens Collections while exploring space on any rocketship.While your Sim is out exploring the galaxies, pop-up events will occur on their voyage, and you’ll be able to choose your adventure.

The adventures will lead to your Sim bringing home special memorabilia, namely Space Rocks and Aliens.

A Sim steps into a rocketship to explore space

How To Explore Space

To explore space, you first have to have your Sim build a rocket ship.There are three available: the Steampunk Flyamajig for 5,000 Simoleons, the Apollo Rocketship for 8,750 Simoleons, and the Retro Rocketship for 10,000 Simoleons.

you may purchase all of them from Buy Mode under Activities and Skills > Knowledge.

The Sims 4 Household Collections of Space Rocks and Aliens

Once you’ve purchased one, click on it and choose to build the rocket ship. This will take some time to complete, at least one Sim day.

Building a rocket ship willincrease your Sim’s Rocket Science skill, which will allow them to build the rocketship faster. At the max level of ten, your Sim can build the ship with ease.

A Sim enters an observatory to stargaze at nighttime

Once the ship is complete, click on the rocketship and chooseExplore Space.

Your Sim will enter the rocket ship and take off into the final frontier.When they return, they will have collected either Space Rocks or Aliens.

The search for the truth option on the observatory

All Space Rocks And Aliens In Collection

There are a total often aliensyour Sim can find while exploring space andfour space rocksthey can bring home.

Here areall the aliensthat are part of the collection, with their value and rarity:

The full Space Prints Household Collection in The Sims 4

§150

§165

Hhere areall the space rocks, including their value and rarity:

§95

§145

§200

§275

Rare

You will need to take multiple trips into space to get all of the collectibles.

There are various upgrades you can do to your rocketship that allow you to have a better chance at bringing home a wider variety of collectibles. Click on the ship, chooseUpgrades, and choose which upgrade you’d like your Sim to install.

You canexpand the Cargo Bayto bring home more items,expand the Fuel Storage Tanksto travel further into space, and more.

The more upgraded a rocket ship is, the better success you’ll have exploring. A fully upgraded ship lets you bring home more rare collectibles than you would without upgrades.

How To Get Space Prints

Space Prints can be earned from the observatory by observing the sky, stargazing, moongazing, and searching for the truth.You will need to purchase the Backyard Observatory for your Sim, or find one on a public lot to use.

The Backyard Observatory can be purchased for 1,500 Simoleons in Buy Mode underActivities and Skills > Knowledge.

To find Space Prints, click on the observatory and choose eitherObserve The Sky,Stargaze, or Moongaze. Stargazing and moongazing can only be done at night, but observing the sky can be done at any hour.

While your Sim is looking up at the stars, they’re able to gain space prints from their time. You’ll need to continue performing these activities for a while to get all the prints.

Search For Truth

One of the interactions with the observatory,Search For Truth, is only unlocked at Logic skill level seven.You need this interaction to unlock three of the space prints.

Search For Truth is only available for Sims from 10:00 pm to 04:00 am, and you must be focusedas well.

Your Sim’s Logic skill will already be building while looking through the observatory, so simply continue to use the other interactions with it until you reach level seven.

Your Sim will gain more Logic skill XP quicker if they are in a focused mood. Enable an item’s emotional auras to induce a focused mood for your Sim.

All Space Prints In Collection

There are a total of25 space printsyou can collect from gazing at the skies. Here are all of them with their rarity, value, and what interaction with the observatory they come from:

§115

§140

§135

Moon and Satellite

§120

§105

§125

§110

§130

§265

Search for the Truth

§215

§255

§290

§210

§235

§285

§495

§475

§500

§490

§465

Stargaze

Each of these prints can be placed on your Sim’s walls or sold for Simoleons.

Similar to rocketships, your Sim can upgrade the observatory for better results. They canAugment the Telescopic EyepieceorReinforce Telescopic Pivots.Both of these upgrades will let your Sim find rarer prints.