Scientific

Tahun Cahaya

Definisi

Jarak yang ditempuh cahaya dalam satu tahun di ruang hampa: sekitar 9,461 triliun kilometer.

Penjelasan

Despite its name, a light-year is a unit of distance, not time. It equals about 5.879 trillion miles or 63,241 astronomical units.

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RELATED CONVERSIONS

Light-year → Meter Light-year → Kilometer Light-year → Centimeter Light-year → Millimeter Light-year → Micrometer Light-year → Nanometer
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RELATED ARTICLES

Temperature Scales Explained: Celsius, Fahrenheit, and Kelvin

A complete guide to the four temperature scales in scientific and everyday use—Celsius, Fahrenheit, Kelvin, and Rankine—including their history, conversion formulas, and where they intersect.

 Speed Units Guide: MPH, KM/H, Knots, and Mach

A complete reference for speed units used around the world — from everyday driving speeds to the velocity of light.

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RELATED TERMS

Nol Mutlak

Suhu terendah yang mungkin ada: 0 K, -273,15°C, atau -459,67°F.

Kalori

Satuan energi; kalori kecil (kal) memanaskan 1 g air sebesar 1°C, sedangkan Kalori makanan (kkal) sama dengan 1.000 kalori kecil.

Bilangan Mach

Rasio kecepatan suatu benda terhadap kecepatan suara di medium sekitarnya.

Elektronvolt

Satuan energi sama dengan energi kinetik yang diperoleh elektron yang dipercepat melalui beda potensial 1 volt.

Satuan Astronomi

Jarak rata-rata dari Bumi ke Matahari: 149.597.870.700 meter.