(GIST OF SCIENCE REPORTER) Molecular Cloud


(GIST OF SCIENCE REPORTER) Molecular Cloud

(JANUARY-2026)


Molecular Cloud

Recently, astronomers studied the L328 molecular cloud, located around 700 light years away, to map the magnetic fields at multiple scales.

About Molecular Cloud:

  • It is an interstellar cloud of gas and dust in which molecules can form, the most common of which is Hydrogen (H2).

Properties of Molecular Cloud:

  • These are characterized by their low temperatures (below 40 K, colder than liquid nitrogen) and relatively high densities.

  • Size: The size of these clouds can be from a few light years up to 600 light years. Their total mass can reach several million solar masses.

  • Molecular clouds with dimensions of more than about 15 light years are also called giant molecular clouds.

  • The complex interplay between three key forces, namely gravity, magnetic fields, and turbulence, determines how these clouds collapse to form stars.

  • The central regions of these clouds are completely hidden from view by dust. 

  • They are the raw material of stars and planets. These clouds do not last for a very long time.

  • After the new stars are born, their solar winds blow away the remaining gas and dust. 

Significance of Molecular Cloud:

  • Molecular clouds are so important because they are the raw material of stars and planets.

  • It is thought to be the birthplace of stars and planetary systems through processes of contraction, condensation, and accretion.

CLICK HERE TO DOWNLOAD FULL PDF

CLICK HERE TO DOWNLOAD UPSC E-BOOKS

Study Material for UPSC General Studies Pre Cum Mains

Get The Gist 1 Year Subscription Online

Click Here to Download More Free Sample Material

<<Go Back To Main Page

Courtesy: Science Reporter