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Sef the golden retriever waves and Tiggy the tuxedo cat folds her arms, both floating in space suits

Space, explained by a dog and a cat.

Sef is a golden retriever who thinks everything in space is easy. Tiggy is a tuxedo cat who knows it isn’t. In every Short, they fly into space themselves to show how it really works, in under 30 seconds.

Every fact is checked against trusted sources like NASA, ESA and universities, and the sources are listed with every video.

Watch the Shorts Meet Sef & Tiggy

An envelope with a question card sticking out, sealed with a red FF seal

Ask Sef & Tiggy ✉️

Got a space question? Send it in! If we pick yours, Sef and Tiggy open your envelope at the start of a Short, and we mention you: your first name, your @handle, or anonymous, your choice. Every answer is fact-checked.

Email your question How it works

Or comment or send a DM on Instagram, YouTube or Facebook.

Latest Shorts

All 8 Shorts →

How a Short works

  1. A big question

    Sef asks the question that seems obvious, like “The Sun pulls everything in, so flying there is easy, right?”

  2. A trip to space

    Sef and Tiggy fly out to see what really happens, in a classic cartoon style.

  3. A checked answer

    Tiggy explains the surprising answer. The sources are listed on every Short’s page.