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Mimub nos trae una selección de objetos que no son lo que parecen

¿Qué hay más bonito en esta vida que dar segundas oportunidades y reutilizar cosas que en teoría ya no tienen más vida útil? En Decoesfera nos …

One giant sunspot, 6 substantial flares. The bright light in the lower right of the sun shows an X-class solar flare on Sunday, as captured by NASA Solar Dynamics Observatory, which watches the sun constantly, captured images of the event. This was the third X-class flare in 48 hours, which erupted from the largest active region seen on the sun in 24 years. Solar flares are powerful bursts of radiation. They can't physically affect humans on the ground, but -- when intense enough -- can disturb the atmosphere where GPS and communications signals travel. Image Credit: NASA/SDO #nasa #sun #solarflare #flare #earth #sdo #solarsystem #sunspot #spaceweather #science

'Ghost Light' From Dead Galaxies: Our Hubble Space Telescope has picked up the faint, ghostly glow of stars ejected from ancient galaxies that were gravitationally ripped apart several billion years ago. The mayhem happened 4 billion light-years away, inside an immense collection of nearly 500 galaxies nicknamed “Pandora’s Cluster,” also known as Abell 2744. The cluster takes on a ghostly look where total starlight has been artificially colored blue in this Hubble view. Image Credit: NASA/ESA/IAC/HFF Team, STScI #nasa #hst #hubble #space #telescope #stars #galaxy #astronomy #science

ESA Hubble Space Telescope has snapped a striking view of a multiple star system called XZ Tauri, its neighbor HL Tauri, and several nearby young stellar objects. XZ Tauri is blowing a hot bubble of gas into the surrounding space, which is filled with bright and beautiful clumps that are emitting strong winds and jets. These objects illuminate the region, creating a truly dramatic scene. This dark and ominous landscape is located some 450 light-years away in the constellation of Taurus (The Bull). It lies in the northeastern part of a large, dark cloud known as LDN 1551. Just to the left of center in this image, embedded within a rust-colored cloud, lies XZ Tauri. While it appears to be a single star, this bright spot actually consists of several stars. It has long been known to be a binary, but one of these two stars is thought also to be a binary, making a total of three stars within a single system. Above and to the right of XZ Tauri, an equally epic scene is unfolding. Wisps of deep red seem to be streaking away from the blue-tinged clumps on the right. This bright blue patch contains a star known as HL Tauri, which is associated with Herbig-Haro object HH 150. Herbig-Haro objects are streaks of hot gas blasted into space by newborn and newly forming stars and LDN 1551 is particularly rich in these dramatic objects. In the bottom right of this Hubble image is another Herbig-Haro object known as HH 30 (opo9905), associated with the variable star V1213 Tauri. The star itself is hidden within a flat, bright disk of dust that is split in half by a dark lane. This dust blocks direct light from V1213 Tauri, but the star is visible via its reflected light and the prominent, knotty jets it is blasting out into space. Image credit: ESA/Hubble and NASA; acknowledgement: Judy Schmidt

The giant black hole at the center of the Milky Way may be producing mysterious particles called neutrinos. If confirmed, this would be the first time that scientists have traced neutrinos back to a black hole. The evidence for this came from three NASA satellites that observe in X-ray light: the Chandra X-ray Observatory, the Swift gamma-ray mission, and the Nuclear Spectroscopic Telescope Array (NuSTAR). Neutrinos are tiny particles that carry no charge and interact very weakly with electrons and protons. Unlike light or charged particles, neutrinos can emerge from deep within their cosmic sources and travel across the universe without being absorbed by intervening matter or, in the case of charged particles, deflected by magnetic fields. The Earth is constantly bombarded with neutrinos from the sun. However, neutrinos from beyond the solar system can be millions or billions of times more energetic. Scientists have long been searching for the origin of ultra-high energy and very high-energy neutrinos. Image Credit: NASA/CXC/Univ. of Wisconsin/Y.Bai. et al.

An active region on the sun emitted a mid-level solar flare, peaking at 4:47 a.m. EST on Nov. 5, 2014. This is the second mid-level flare from the same active region, labeled AR 12205, which rotated over the left limb of the sun on Nov. 3. The image was captured by NASA's Solar Dynamics Observatory (SDO) in extreme ultraviolet light that was colorized in red and gold. Solar flares are powerful bursts of radiation. Harmful radiation from a flare cannot pass through Earth's atmosphere to physically affect humans on the ground, however -- when intense enough -- they can disturb the atmosphere in the layer where GPS and communications signals travel. This flare is classified as an M7.9-class flare. M-class flares are a tenth the size of the most intense flares, the X-class flares. The number provides more information about its strength. An M2 is twice as intense as an M1, an M3 is three times as intense, etc. Image Credit: NASA/SDO #SDO #SolarFlare #Sun #Solar #nasa #space

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