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Spaceflight

From Sputnik to today

Qardbox is a free flashcard app for iPhone, iPad and Apple Watch, with no ads and with your data staying yours. It costs nothing, asks for no account and shows no ads, and your own cards stay unlimited. That is a promise.

You can always create as many flashcards as you like, free of charge.

This deck costs you nothing. You get 116 flashcards, sorted into 4 categories and with notes that add to them. You start out learning instead of typing, and whatever you find missing later you add yourself.

Cards
116
Categories
4
Price
free

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What is in this deck

With this deck you learn 29 milestones of spaceflight: what was achieved, who was behind it and in which year it happened.

Who was the first human in space, which probe first landed softly on Mars, and what did Chang’e 4 achieve? From Sputnik to the Webb telescope.

29 milestones in four directions: what was achieved, which mission achieved it, in which year and who was behind it.

Mission names and years are the same in all languages; what is translated is what the mission meant.

The categories decide what comes up: start with “In which year” alone and add the rest when you are ready.

What you learn

  • 29 milestones from Sputnik to today
  • Missions, years and the people behind them
  • What came first, and with which craft

The categories

4 categories sort the 116 cards. You can filter by category and take on what is due right now.

  1. In which year
  2. What was achieved
  3. Which mission
  4. Who was behind it

What you get

Here are three of the 116 cards that are in this deck.

  1. Question

    Which first was achieved with Sputnik 1?

    Answer

    The first artificial satellite of Earth.

    Note

    A sphere of 83 kilograms with four antennas. Its beeping could be picked up anywhere on Earth with an ordinary shortwave receiver.

  2. Question

    Which mission is behind this: the first artificial satellite of Earth?

    Answer

    Sputnik 1

    Note

    A sphere of 83 kilograms with four antennas. Its beeping could be picked up anywhere on Earth with an ordinary shortwave receiver.

  3. Question

    In which year did the mission Sputnik 1 launch?

    Answer

    1957

    Note

    A sphere of 83 kilograms with four antennas. Its beeping could be picked up anywhere on Earth with an ordinary shortwave receiver.

Learning with Qardbox

You see a card, you think, you turn it over and say whether you knew it. A round asks nothing more of you, and how the app works out the next date from that is on the page about FSRS-6.

What sits comes back less often, what wobbles comes back soon. You set a daily goal, and when nothing is due the app tells you exactly that instead of inventing work for you. How a round goes is shown on the learning page.

Everything stays on your device. No account, no sign-up, no ads. After the purchase the deck sits in your library like any other subject and can be studied, reordered and extended just like your own.

What it costs, and what it doesn’t

Qardbox itself costs nothing, and it stays that way. Every function is there from the start, with no subscription, no ads and no tiers; what that rests on is on the page about what it costs.

Your own cards stay unlimited, and decks from friends or from the family you read in without a limit, from a file as well. You do not need this deck in order to learn with Qardbox.

This deck costs nothing. Its 116 cards are checked and save you the work you would otherwise have.

Common questions

Do I have to pay for Qardbox?

No. The app is free, with no subscription and no ads, and every function is there. This deck is free too; some other ready-made decks cost a little, once.

Could I make these cards myself?

Yes, without limit and for free. You can type them, import a file or take over cards from friends. This deck only saves you the work.

How many cards are in Spaceflight?

116 cards, sorted into 4 categories.

Do I need a connection to study?

Only to download the deck. After that it lives on your device and you study offline. There is no account, and you sign in nowhere.

Which devices does this run on?

On iPhone and iPad from iOS 26, and on Apple Watch. One purchase covers the family through Family Sharing.

Is there a Qardbox for Android?

No. Qardbox is there for iPhone, iPad and Apple Watch, not for Android and not in a browser.

Get started

Get Qardbox, look at the deck in the store and decide there. The app is free whether you take this deck or not.

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