nebula
Videos
 
Video
Click the play button to start
Definition
A nebula (Latin for "fog"; pl. nebulae, nebulæ, or nebulas) is an interstellar cloud of dust, hydrogen, helium and other ionized gases. Originally, nebula was a name for any diffuse astronomical object, including galaxies beyond the Milky Way. The Andromeda Galaxy, for instance, was once referred to as the Andromeda Nebula (and spiral galaxies in general as "spiral nebulae") before the true nature of galaxies was confirmed in the early 20th century by Vesto Slipher, Edwin Hubble and others. Most...
Recently added entries
Kolehmainen
Finnish police officer
Native Development Kit
Android software development is the process by which new applications are created for the Android de...
performantly
off of
volcanology
Volcanology (also spelled vulcanology) is the study of volcanoes, lava, magma, and related geologica...
butternut squash
Butternut squash (Cucurbita moschata), sometimes known in Australia and New Zealand as butternut pum...
curled
e-grammar
In linguistics, grammar (from Greek: γραμματική) is the set of structural rules governing the compos...
shelf
A shelf (pl. shelves) is a flat horizontal plane which is used in a home, business, store, or elsewh...
would you be so kind as to