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GUILLERMO HARO

Stunning NASA images show the violent beauty of newly formed stars

NASA/ESA
Ephemeral, by galactic standards.
By Johnny Simon
Published Last updated This article is more than 2 years old.

Today’s (March 21) Google Doodle honors the Mexican astronomer Guillermo Haro, who would have been 105 today.

His signature discovery was the Herbig-Haro object, a celestial phenomenon named after Haro and the American astronomer George Herbig, who was researching the same occurrences at around the same time.

Herbig-Haro objects are jets of gas and other matter erupting from newly formed stars which collide with the gas and dust around them at the speed of several hundreds of kilometers a second.

These beautiful objects have brief lifespans relative to eons-long astronomical timelines—only a few thousand years. But that same volatility has allowed astronomers to observe the steps of a young star’s evolution.

Here are a few images captured by NASA, the European Space Agency (ESA) and other research groups around the world:

NASA/ESA
Herbig-Haro object (or HH) 24, located in the Orion B molecular cloud complex.
NASA, ESA, and the Hubble Heritage Team
Herbig-Haro 110.
NASA/ESA/M. Livio
The jets of HH 901 and HH 902 are seen on the top right and top middle on the nebula.
NASA/JPL-Caltech
HH 46 and 47 can be seen blowing two massive ‘bubbles.’ The star is 1,140 light-years away from Earth.
NASA/ESA
HH 161 and HH 164 emanating from the star V633 Cassiopeiae.
NASA/ESA/P. Hartigan/Rice University
HH 47
NASA and The Hubble Heritage Team
HH 32
NASA/ESA/P. Hartigan/Rice University
HH 34
NASA/JPL/Caltech
HH 46 and 47

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