By CAPosts 31 July, 2020 - 11:45am 28 views
© Provided by Millennium Capture Amazing Space Butterfly. (DPA)
Without a doubt, what you can witness in space continues to surprise us. For example, the European Southern Observatory (ESO) telescope that capitated sharp images of a so-called "space butterfly" , a gas bubble known as NGC 2899. Here's what this event is about.
According to ESO, this is the first time that images are obtained in such detail of that object that it is shaped like a blue butterfly surrounded by a spice of pink aura.
The butterfly's gas strips extend to a maximum of two light-years from its center, glowing brightly in front of the stars of the Milky Way as the gas reaches temperatures above ten thousand degrees.
The high temperatures are due to the large amount of radiation from the stem star of the nebula that causes the hydrogen gas in it to form a reddish halo around the oxygen gas that glows in blue tones.
Astronomers were able to capture this image in high detail using the FORS (Focal Reducer and low dispersion Spectrograph) instrument, installed in UT1 (Antu), one of four 8.2 meter telescopes that make up THE ESO VLT in Chile.
This high-resolution instrument was one of the first to be installed on ESO's VLT and is behind many of ESO's images and discoveries, explained the observatory managers.
FORS has contributed to observations of light emitted by a source of gravitational waves, investigated the first known interstellar asteroid and used it to study in depth the physics behind the formation of complex planetary nebulae.
The image comes from ESO's Cosmic Jewels program, an outreach initiative that reproduces images of interesting, enigmatic or visually appealing objects using ESO telescopes, for an educational and informative purpose.
The program makes use of telescope time that cannot be used for scientific observations.
All data collected may also be suitable for scientific purposes, and made available to astronomers through the ESO scientific archive.
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