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|Astronomy News -- ScienceDaily|
Updated : Wed, 19 Jun 2019 05:37:41 EDT
Cool halo gas caught spinning like galactic disks
Astronomers have discovered cool halo gas spinning in the same direction as galactic disks in typical star-forming galaxies. Their findings suggest that the whirling gas halo will eventually spiral in towards the galactic disk where it can fuel star formation.
Publ.Date : Tue, 18 Jun 2019 17:43:54 EDT
Two new Earth-like planets discovered near Teegarden's Star
An international research team has discovered two new Earth-like planets near one of our closest stars. Teegarden's Star is about 12.5 light years away and is one of the smallest known stars.
Publ.Date : Tue, 18 Jun 2019 12:35:09 EDT
NASA's Cassini reveals New Sculpting in Saturn Rings
As NASA's Cassini dove close to Saturn in its final year, the spacecraft provided intricate detail on the workings of Saturn's complex rings, new analysis shows.
Publ.Date : Mon, 17 Jun 2019 16:46:58 EDT
Sun's history found buried in Moon's crust
The Sun's rotation rate in its first billion years is unknown. Yet, this spin rate affected solar eruptions, influencing the evolution of life. Scientists think they've figured it out by using the Moon as critical evidence.
Publ.Date : Mon, 17 Jun 2019 16:46:40 EDT
Meteors help Martian clouds form
Researchers think they've solved the long-standing mystery of how Mars got all of its clouds.
Publ.Date : Mon, 17 Jun 2019 12:51:20 EDT
Earth's heavy metals result of supernova explosion, research reveals
New research suggests most of Earth's heavy metals were spewed from a largely overlooked kind of star explosion called a collapsar.
Publ.Date : Thu, 13 Jun 2019 12:10:42 EDT
NASA's Fermi mission reveals its highest-energy gamma-ray bursts
For 10 years, NASA's Fermi Gamma-ray Space Telescope has scanned the sky for gamma-ray bursts (GRBs), the universe's most luminous explosions. A new catalog of the highest-energy blasts provides scientists with fresh insights into how they work.
Publ.Date : Thu, 13 Jun 2019 12:10:40 EDT
Jupiter-like exoplanets found in sweet spot in most planetary systems
A survey of 300 stars in search of exoplanets finds that massive, Jupiter-like gas giants are found just about where Jupiter is in our own solar system.
Publ.Date : Wed, 12 Jun 2019 16:29:04 EDT
Astrophysicist announces her discovery that could rewrite story of how galaxies die
A breakthrough finding overturns assumptions about the maturation of galaxies and may represent a phase of every galaxy's life cycle that was unknown until now.
Publ.Date : Wed, 12 Jun 2019 16:29:02 EDT
Table salt compound spotted on Europa
Researchers have discovered that the yellow color visible on portions of the surface of Jupiter's moon Europa is actually sodium chloride.
Publ.Date : Wed, 12 Jun 2019 16:28:59 EDT
Crash with Antlia 2 gave the Milky Way the ripples in its outer disc, new evidence shows
The newly-discovered dark dwarf galaxy Antlia 2's collision with the Milky Way may be responsible for our galaxy's characteristic ripples in its outer disc, according to a new study.
Publ.Date : Wed, 12 Jun 2019 14:13:26 EDT
Rare 'superflares' could one day threaten Earth
New research shows that the sun could experience a massive burst of energy called a superflare sometime in the next several thousand years.
Publ.Date : Wed, 12 Jun 2019 08:43:49 EDT
Saturn's moon Mimas: A 'snowplough' in the planet's rings
Researchers have shown that Mimas, one of Saturn's moons, acted as a kind of remote snowplough, pushing apart the ice particles that make up the rings.
Publ.Date : Tue, 11 Jun 2019 13:39:41 EDT
Direct from distant planet: Spectral clues to puzzling paradox
CI Tau b is a paradoxical planet, but new research about its mass, brightness and the carbon monoxide in its atmosphere is starting to answer questions about how a planet so large could have formed around a star that's only 2 million years old.
Publ.Date : Mon, 10 Jun 2019 13:01:25 EDT
Technique pulls interstellar magnetic fields within easy reach
A new, more accessible and much cheaper approach to surveying the topology and strength of interstellar magnetic fields -- which weave through space in our galaxy and beyond, representing one of the most potent forces in nature -- has been developed.
Publ.Date : Mon, 10 Jun 2019 11:15:54 EDT
Astronomers determine mass of small black hole at center of nearby galaxy
Astronomers have discovered that a black hole at the center of a nearby dwarf galaxy, called NGC 4395, is about 40 times smaller than previously thought.
Publ.Date : Mon, 10 Jun 2019 11:15:16 EDT
Mass anomaly detected under the moon's largest crater
A mysterious large mass of material has been discovered beneath the largest crater in our solar system -- the Moon's South Pole-Aitken basin -- and may contain metal from the asteroid that crashed into the Moon and formed the crater, according to a new study.
Publ.Date : Mon, 10 Jun 2019 10:06:20 EDT
Fast and furious: Detection of powerful winds driven by a supermassive black hole
This is the first publication based entirely on data obtained with EMIR, an instrument developed in the Instituto de Astrofísica de Canarias (IAC) which analyses the infrared light gathered by the Gran Telescopio Canarias (GTC) from the Roque de los Muchachos Observatory (Garafía, La Palma).
Publ.Date : Fri, 07 Jun 2019 11:04:54 EDT
The mystery of the galaxy with no dark matter
Researchers have clarified one of the mysteries of 2018 in the field of extragalactic astrophysics: the supposed existence of a galaxy without dark matter.
Publ.Date : Thu, 06 Jun 2019 13:37:37 EDT
Most-detailed-ever simulations of black hole solve longstanding mystery
Scientists have constructed the most detailed, highest resolution simulation of a black hole to date. The simulation found that the inner-most region of an accretion disk aligns with its black hole's equator, confirming a 1975 prediction.
Publ.Date : Wed, 05 Jun 2019 20:11:17 EDT