young stellar object

A star in the later stages of its formation, after the gravitational collapse of gas in a nebula has formed a protostar, but before the star has reached the main sequence.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

References in periodicals archive

This may have already happened to another young stellar object buried deep within the EGG.

THE LIVES OF STARS : Cycles of starbirth and stardeath play themselves out before the Hubble Space Telescope's unblinking eye

Topics discussed include high energy emissions from young stellar objects, supernova dynamics and nucleosynthesis, low-column density gas in the Milky Way, massive black holes and the evolution of galaxies and star formation in the Carina nebula.

Zooming in; the cosmos at high resolution

For example, the subtitle is "The Eagle's EGGs: Not so fertile," yet the stated conclusion of the recent work is that more of the Eagle's EGGs contain young stellar objects than might have been expected.

Star-making machinery. (Letters)

projects, including a tempting list of young stellar objects together

The swan upon the gale: cygnus hosts both showpieces and little-known treats

Although a similar phenomenon has been observed in two other young stellar objects, this is the most powerful such beacon seen to date.

NASA telescopes discover mysterious infant star that behaves like strobe light

"I'll admit that my original guess was that a larger fraction of the EGGs would contain young stellar objects," Hester says.

Rethinking an astronomical icon: the Eagle's EGGs: not so fertile

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