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Astronomy Picture of the Day

Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.

A star field strewn with bunches of brown dust is pictured. In the center is a bright area of light brown dust, and in the center of that is a bright region of star formation. Please see the explanation for more detailed information.

Dark Nebulae and Star Formation in Taurus

Explanation: Can dust be beautiful? Yes, and it can also be useful. The Taurus molecular cloud has several bright stars, but it is the dark dust that really draws attention . The pervasive dust has waves and ripples and makes picturesque dust bunnies , but perhaps more importantly, it marks regions where interstellar gas is dense enough to gravitationally contract to form stars. In the image center is a light cloud lit by neighboring stars that is home not only to a famous nebula, but to a very young and massive famous star. Both the star, T Tauri , and the nebula, Hind's Variable Nebula , are seen to vary dramatically in brightness -- but not necessarily at the same time, adding to the mystery of this intriguing region. T Tauri and similar stars are now generally recognized to be Sun -like stars that are less than a few million years old and so still in the early stages of formation . The featured image spans about four degrees not far from the Pleiades star cluster, while the featured dust field lies about 400 light-years away.

Date March 21, 2023
Credit Image Credit & Copyright: Vikas Chander
Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (UMCP)
A service of: ASD at NASA / GSFC,
NASA Science Activation & Michigan Tech. U.