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Chikyu Earth地球

A line-drawn globe of the world's countries that turns at the Earth's own rate, with an optional realistic Earth from space and markers for any place.

Chikyu is the Japanese word 地球 for the Earth. About the name

Contents

Reference · /meteors

activeShowersfunction

The showers active at a moment, strongest first, each with its rate then.

Import it

import { activeShowers } from "@johnmorrisdotca/chikyu-earth/meteors";

Definition

function activeShowers(ms: number): { shower: MeteorShower; zhr: number; }[]

Parameters

NameTypeDescription
msnumber

The moment, in milliseconds since the epoch.

Returns

{ shower: MeteorShower; zhr: number; }[]

The active showers and their zenithal hourly rates (see showerRate).

Examples

import { activeShowers } from "@johnmorrisdotca/chikyu-earth/meteors";

for (const { shower, zhr } of activeShowers(Date.UTC(2026, 7, 12))) console.log(shower.name, zhr.toFixed(1));
Perseids 80.8
Southern δ-Aquariids 3.7
η-Eridanids 1.6
κ-Cygnids 1.5
α-Capricornids 0.9

What it prints (run when this page was built)

View sourceEdit on GitHubMade from the source of @johnmorrisdotca/chikyu-earth 0.51.1.