Category Astronomy/Space

Hubble eyes a powerful Galaxy with a Password Name

2XMM J143450.5+033843 lies nearly 400 million light-years away from Earth. It is a Seyfert galaxy that is dominated by something known as an Active Galactic Nucleus -- its core is thought to contain a supermassive black hole that is emitting huge amounts of radiation, pouring energetic X-rays out into the universe. The other fuzzy object in the frame was named in the same way -- it is a bright galaxy named 2XMM J143448.3+033749. Credit: ESA/Hubble & NASA

2XMM J14345J0.5+033843 lies nearly 400 million light-years away from Earth. It is a Seyfert galaxy that is dominated by something known as an Active Galactic Nucleus — its core is thought to contain a supermassive black hole that is emitting huge amounts of radiation, pouring energetic X-rays out into the universe. The other fuzzy object in the frame was named in the same way — it is a bright galaxy named 2XMM J143448.3+033749.
Credit: ESA/Hubble & NASA

Not all galaxies have the luxury of possessing a simple moniker or quirky nickname. This impressive galaxy imaged by Hubble is one of the unlucky ones, and goes by a name that looks more like a password for a computer: 2XMM J143450.5+033843...

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Prebiotic Atmosphere discovered on Accretion disk of Baby Star

Jet, disk, and disk atmosphere in the HH 212 protostellar system. (a) A composite image for the HH 212 jet in different molecules, combining the images from the Very Large Telescope (McCaughrean et al. 2002) and ALMA (Lee et al. 2015). Orange image shows the dusty envelope+disk mapped with ALMA. (b) A zoom-in to the central dusty disk. The asterisk marks the position of the protostar. A size scale of our solar system is shown in the lower right corner for comparison. (c) Atmosphere of the accretion disk detected with ALMA. In the disk atmosphere, green is for deuterated methanol, blue for methanethiol, and red for formamide. Credit: ALMA (ESO/NAOJ/NRAO)/Lee et al.

Jet, disk, and disk atmosphere in the HH 212 protostellar system. (a) A composite image for the HH 212 jet in different molecules, combining the images from the Very Large Telescope (McCaughrean et al. 2002) and ALMA (Lee et al. 2015). Orange image shows the dusty envelope+disk mapped with ALMA. (b) A zoom-in to the central dusty disk. The asterisk marks the position of the protostar. A size scale of our solar system is shown in the lower right corner for comparison. (c) Atmosphere of the accretion disk detected with ALMA. In the disk atmosphere, green is for deuterated methanol, blue for methanethiol, and red for formamide. Credit: ALMA (ESO/NAOJ/NRAO)/Lee et al.

An international team has used the Atacama Large Millimeter/ submillimeter Array (ALMA) to detect complex organic molecules for...

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Kepler has taught us that Rocky Planets are Common

New planet candidates from the eighth Kepler planet candidate catalog show numerous terrestrial worlds that are near the size of Earth and within the habitable zone of their stars. The dark green span represents an optimistic estimate for habitable zone, while the brighter green a more conservative estimate. Blue circles are confirmed exoplanets, while yellow circles are new planet candidates that require follow-up observations. Credit: NASA/Ames Research Center/Wendy Stenzel

New planet candidates from the eighth Kepler planet candidate catalog show numerous terrestrial worlds that are near the size of Earth and within the habitable zone of their stars. The dark green span represents an optimistic estimate for habitable zone, while the brighter green a more conservative estimate. Blue circles are confirmed exoplanets, while yellow circles are new planet candidates that require follow-up observations. Credit: NASA/Ames Research Center/Wendy Stenzel

Rocky planets are probably a whole lot more common in our galaxy than astronomers previously believed—according to the latest release of Kepler Space Telescope data last week—a scenario that enhances the prospects for extraterrestrial life in nearby solar systems...

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Nanostructures Taste the Rainbow

This is an artist's representation of a conceptual design for the color detector, which uses thermoelectric structures with arrays of nanoscale wires that absorb different wavelengths of light based on their width. Credit: Harry Atwater and Kelly Mauser/Caltech

This is an artist’s representation of a conceptual design for the color detector, which uses thermoelectric structures with arrays of nanoscale wires that absorb different wavelengths of light based on their width. Credit: Harry Atwater and Kelly Mauser/Caltech

Engineers at Caltech have for the first time developed a light detector that combines 2 disparate technologies – nanophotonics, which manipulates light at the nanoscale, and thermoelectrics, which translates temperature differences directly into electron voltage – to distinguish different wavelengths (colors) of light, including both visible and infrared wavelengths, at high resolution...

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