the study of stars and planets, and the universe.

Latin root word: aster/stell (star)

Astr is a Greek root that means “star.” Another way to. spell this root is aster. • Words containing astr or aster usually have something to do with the stars.

The English word “star” comes from the Old English steorra. Other Germanic languages have similar words, such as ster in Dutch and Stern in German. More surprising is that the modern Greek word for star is also quite similar — astéri.

Ancient Greek From ἀστήρ (astḗr, “star”).

galaxy (n.) Milky Way is a translation of Latin via lactea.

A nebula (Latin for ‘cloud’ or ‘fog’; pl. nebulae, nebulæ or nebulas) is an interstellar cloud of dust, hydrogen, helium and other ionized gases.

mist

Long ago, the Romans named the galaxy “via lactea,” which translates to “road of milk.” The Romans named it via lactea precisely because it looks like a milky patch of sky above the Earth at night. But, the Romans weren’t the first to name the galaxy.

All of the planets, except for Earth, were named after Greek and Roman gods and godesses. Jupiter, Saturn, Mars, Venus and Mercury were given their names thousands of years ago. The other planets were not discovered until much later, after telescopes were invented.

the Milky Way

Scientists have begun tallying those clumps of matter and the resulting numbers are pretty wild. Our home galaxy, the Milky Way, contains at least 100 billion stars, and the observable universe contains at least 100 billion galaxies.

Milky Way

A creator deity or creator god (often called the Creator) is a deity or god responsible for the creation of the Earth, world, and universe in human religion and mythology. In monotheism, the single God is often also the creator.

The largest known ‘object’ in the Universe is the Hercules-Corona Borealis Great Wall. This is a ‘galactic filament’, a vast cluster of galaxies bound together by gravity, and it’s estimated to be about 10 billion light-years across!

Methuselah star