> For the complete documentation index, see [llms.txt](https://whitepaper.apeironnft.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://whitepaper.apeironnft.com/apeironnft/key-game-features/gamenomics/marketplace-and-nfts/star-nfts/the-star-forge.md).

# The Star Forge

<figure><img src="/files/gUd6ONzsbUTxwvF68oZq" alt=""><figcaption><p>Star Forge in Marketplace</p></figcaption></figure>

The Star Forge is the part of the official marketplace where you can go to customize your Star. This is where you equip and manage your Astronomical NFTs.

## Astronomicals <a href="#id-7c8a" id="id-7c8a"></a>

Astronomicals can be purchased on the [Marketplace](https://marketplace.apeironnft.com/marketplace/astronomicals/items/) to customize the effects of Star NFTs. Each Astronomical category has different effects. Astronomicals range from tier 1 to 3, with tier 1 being the highest tier. Please note that different Stars have different Astronomical Slots. Make sure to check your Star’s Astronomical slots before making any purchases.

#### Suns

<figure><img src="/files/QoPsJBWWmagJ2UnQU6Hr" alt=""><figcaption></figcaption></figure>

Suns are a special type of Astronomical that additively increase your Star's aging buff.&#x20;

#### Asteroids

<figure><img src="/files/QLaUWfxQqlMlDlpImoxB" alt=""><figcaption></figcaption></figure>

Asteroids increase the number of Orbital Tracks for your Star.

#### Comet

<figure><img src="/files/JNiWiNpIiVEiUPvuDLVQ" alt=""><figcaption></figcaption></figure>

Comets increase the number of Orbital Tracks for your Star.

#### Supernova

<figure><img src="/files/hl97n82QjUgXavxK0M85" alt=""><figcaption></figcaption></figure>

Supernovas increase the number of Orbital Tracks for your Star.