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𜸂

explosion at horizon

Explosion at Horizon

509/686

𜸂 is a tiny picture of an explosion bursting above a horizon line. It is not an emoji but a graphics character from the Ohio Scientific Challenger home computers, listed as code 04 in their 1978 graphics manual. It was added to Unicode so screens and programs from those machines can be preserved and shown faithfully.

Text symbol

What 𜸂 means

From the built-in graphics of a late-1970s home computer. Ohio Scientific (OSI), an American maker of early personal computers, gave its Challenger machines a character set full of small pictures alongside letters and digits. Programmers placed these pictures on the text screen like letters to draw scenes and simple games without true graphics hardware; an explosion at the horizon is exactly the kind of tile such a screen needed.

A 2021 Unicode proposal mapped this glyph to OSI code 04. The aim was practical: when old programs and screen listings are converted to modern text, or run in emulators (programs that imitate old computers), every character should survive instead of turning into a question mark.

Part of the collection

Don't confuse it with

2

Combination ideas

3
A distant blast, watched in shock.
A nuclear flash on the horizon.
Running from a distant explosion.

Questions people ask

2

Why do I see an empty box instead of an explosion?

Your font lacks it. The character arrived in Unicode 16.0 (2024), and many fonts and phones had not drawn it yet. Nothing is broken in the text itself.

Is it an emoji?

No. It is a plain text symbol with no colour version, made for reproducing old computer screens.

Collections with 𜸂

1

How to type or find 𜸂

Search it as
explosion symbol · ohio scientific · osi · retro computer graphic · text-mode graphic · U+1CE02
Shows up in
Anything that takes text · its shape is whatever your font draws
Windows (Word)
⎇Alt+XType 1CE02, then AltX to get 𜸂.
Windows
⊞Win+Rrun charmap for the full table, or use the emoji picker's Ω symbols tab (Win .).
macOS
⌃Control+⌘Command+␣SpaceOpen the character viewer and search “explosion at horizon”.
Linux
⎈Ctrl+⇧Shift+UType 1ce02, then Enter or Space.
HTML
𜸂
CSS
\1CE02
Any system
No keyboard has it. Enter code point U1CE02 with your system's Unicode input, or insert it from a character map.
Fonts
You need a font updated for Unicode 16.0, such as recent Cascadia Code or GNU Unifont.
Codes and encoding1 code points
HTML decimal
𜸂
HTML hex
𜸂
CSS content
content: "\1CE02";
Each escape is closed by the next backslash; a trailing space is needed before a literal hex digit.
URL encoded
%F0%9C%B8%82
1
On screen
1
Code points
2
JS .length
4
UTF-8 bytes

A visible symbol can contain several code points. JS .length counts UTF-16 units; UTF-8 counts bytes.

Families this belongs to

1

Legacy computing935 symbols