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Daily almanacNº 1

Sunday

October 25

Full moon · 100 %Leonids · Nov 17

Today in the almanac: a guide to the November sky, 4 new games and a full moon to look at tonight.

Read: the November sky Play today's games

Today's constellation

0 / 8

Everything you do today lights a star. Tomorrow, a new one begins.

From the almanac

The latest from the blog: sky guides, science and recommendations.

The whole blog →

This month's sky · 5 min

The November 2026 sky: five planets, the Leonids and a supermoon

Five planets at once after midnight, Mars and Jupiter side by side next to Regulus, and the full calendar for the month.

Guide · 4 min

How to watch the 2026 Leonids

Recommendation · 3 min

Arcadópolis: a retro computer in your browser

News · No. 1

The Weekly Report

  • Japan launches MMX to bring home bits of Phobos
  • Psyche spacecraft hits the gas toward a metal-rich asteroid
  • Farewell to Swift, NASA's hunter of cosmic explosions
  • Physicists trap a single positron and hold it for months
Read the edition →

Encyclopedia · entry of the day

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Read the entry →

Today's games

4 challenges that change every midnight. The same for everyone, so you can compare with friends.

See your streaks →

Hidden constellation

Stars appear one by one. Guess the constellation in six tries or fewer.

6 triesPlay

Cosmic word

A five-letter space word. Gold tiles are in place; blue ones belong elsewhere.

6 triesPlay

Which planet am I?

Every clue makes it clearer: planets, moons and stars.

5 cluesPlay

Note of the day

Listen to a short melody and guess it note by note.

6 notesPlay

Tonight's sky

The Moon's phase is calculated live for your date. Good nights for stargazing, below.

Full calendar →

Full moon

Illuminated: 100 %

Moon age: 14.3 days

    Approximate dates (±1 day). Meteor showers look best away from city lights, after midnight.

    Studio

    For musicians: tune up and keep time without installing anything.

    Tuner

    Guitar, bass, ukulele and voice.

    Metronome

    30 to 300 BPM, with accents.