Search

The article discusses the Milky Way, along with a few dozen of its neighbors, which belongs to a group of galaxies. Also discussed is University of Hawaii astronomer R. Brent Tully and his colleagues who have mapped nearby galaxies and measured their motions. It states that the Virgo Supercluster spans 10 times the diameter of the Local Group that gathers smaller groups and clusters of galaxies together into a galactic megacity.

The article offers information on topics related to solar system. Topics mentioned include the study by David Kipping, astronomer at Columbia University, and graduate student Alex Teachey on the Kepler-1625 gas giant, the development of the Transiting Exoplanet Survey Satellite (TESS) by the U.S. National Aeronautics and Space Administration (NASA) to find exoplanet, and the development of the Big bang theory.

The article informs that spacecraft Cassini spent 13 years studying the planet Saturn and on September 15, 2017 it entered in the upper atmosphere of the planet at a shallow angle. It is noted that Cassini revealed an incredibly complex system of moons and moonlets, rings that change structure on hourly timescales, and a beautiful atmosphere wracked by storms on the planet.

The article presents the significant astronomical discoveries and theories of recent times. Topics include the existence of liquid hydrocarbons in Saturn's largest moon Titan believed to be capable of supporting life, the plan of space company SpaceX to tranport human passengers for a chance to travel around the moon, and the images captured by space probe Juno as it passed Jupiter.

The article offers information about the planet known as Saturn and its ring system through the Voyager's spacecraft. Topics mention including the two empty paths which splits the Saturn ring known as the Encke Gap and Cassini Division, spiral structures in the rings and patterns which look like a propeller wing.

The article discusses the 600 galaxies which are lying the same distance away from us, were spotted by the astronomer Renée Kraan-Korteweg and these galaxies were sit behind the Milky Way's dense disk, by holding billions of stars and huge clouds of dust, materials that hide background light signals. Also, focuses on the ``Zone of Avoidance'' (ZOA) and radio surveys to study the hydrogen in galaxies.

The article discusses history of supergiant star the Supernova (SN) 1987A, its importance for astronomers, how the star exploded in a nearby galaxy the Large Magellanic Cloud and how it helps understanding of how stars interact with their surroundings. It mentions that SN 1987A exploded in February 23, 1987 when it shone as a brilliant new star in the southern sky. It also mentions the project Atacama Large Millimeter/submillimeter Array (ALMA) in northern Chile for studying the star.

The article focuses on the galaxy clusters targeted by the Frontier Fields programme with the Hubble Space Telescope. Topics discussed include the exerted gravitational force resulting from magnifying power of galaxy clusters, the infrared Wide Field Camera 3 (WFC3) observed a Frontier Field and spectra on galaxies collection by using the Grism lens-amplified survey from space (GLASS).

The article focuses on several studies related to solar system that appeared in different periodicals. It mentions a study related to hints of large planet out then the dwarf planet Pluto, appeared in "Astronomical Journal." It states a study which reveals the impact of artificial light on the appearance of night sky and Milky Way, appeared in "Science Advances." It also mentions a study related to identification of several fast radio bursts on solar system, appeared in "Nature."

The article focuses on the January 2016 Astronomy on Tap event in Austin, Texas created by Meg Schwamb, postdoctoral fellow at the Institute of Astronomy and Astrophysics at Academia Sinica in Taipei, Taiwan. Topics include the aim of the event to motivate people to learn about the science, technology, engineering, and medicine (STEM) fields, statement of Emily Rice, assistant professor at the College of Staten Island, New York City, regarding the event, and success of the satellite program.

The article focuses on use of stellar spectroscopy for exploring extraterrestrial objects as it integrates atomic physics, observational astronomy and stellar astrophysics. Topics discussed include invention of spectroscope by scientist Joseph von Fraunhofer in the 19th century, study of stars' spectra by astronomers for categorizing them, and a diagram showing electromagnetic spectrum.

The article offers the author's insights on the Fermi Bubbles, which are evidence of some previous violent activity near the planet Earth galaxy's center. Topics discussed include astrophysicist Douglas Finkbeiner who first saw the signal when a spacecraft scanned the sky for the residual radiation of the Big Bang theory, uncovering of a haze of gamma rays, and the outflows from the galactic center are the source of the magnetic fields or shock fronts.

The article focuses on the primordial cosmic microwave background (CMB) radiation which has traveled several years through the expanding cosmos to telescopes on Earth and mentions views of Princeton University cosmologist Joanna Dunkley on same. Topics discussed include how CMB has taken multiple generations of telescopes on the ground, begining of the Big Bang Theory and launch of Cosmic Background Explorer (COBE),.

The article focuses on team of astrophysicists studying the light from distant stellar explosions who found that the blasts were fainter than expected and mentions that scientists studied type Ia supernovae. Topics discussed include how astronomer Saul Perlmutter created the Supernova Cosmology Project, stars found by stellar astronomers and vacuum energy density predicted by quantum mechanics.

The article offers several news briefs related to astronomy as of 2015. Evidence of liquid water on surface of Mars which has been confirmed by the Mars Reconnaissance Orbiter (MRO). Dark matter annihilation that may be reason of the gamma-ray glow emanating from dwarf galaxy Reticulum II. Saturn's moon Enceladus which forms hot acidic water similar to that of Earth.

The article offers information on the galaxies in the universe. Topics discussed include the Milky Way, its Local Group of galaxies and galaxies in Virgo Supercluster binded by gravity, the methods to compute the distance to a faraway galaxy defined by researcher Helene Courtois and study of astronomers J. Xavier Prochaska and colleagues on quasars.

The article reflects on the secrets revealed by the U.S. National Aeronautics and Space Administration's (NASA) bargain X-ray space telescope, NuSTAR from the black hole at the center of Milky Way. Topics discussed include the black hole having more than four million Suns, the X-ray-emitting objects in the galactic center, and possibilities of neutron stars and stellar-mass black holes. INSET: MAPPING A STAR¿S SCATTERED REMAINS.

The article discusses research on the faint light of the universe's background. Topics covered include Arno Penzias and Robert Wilson's accidental discovery of the cosmic microwave background (CMB) in 1964 and how it prompted astronomers to look for a background of infrared light and how the extragalactic background light (EBL) holds the history of star birth and death, active black holes, and galaxy evolution.

The article discusses how the introduction of the Hubble Space Telescope by the U.S. National Aeronautics & Space Administration (NASA) changed the world of astronomy. It highlights how the U.S. Space Telescope Science Institute (STScI) and the NASA corrected the telescope's fuzzy vision. It also presents views of STScI's Mario Livio on the issue.

The article presents an editor's pick of the top 10 space stories for 2014. Topic include the discovery of water vapor in the atmosphere of Europa, a moon of Jupiter and the asteroid Ceres; the discovery that black holes come in an intermediate size between ones slightly more massive than the sun and supermassive ones; and the Rosetta spacecraft's successful orbit of a comet.

The article discusses the status of the U.S. National Aeronautics and Space Administration (NASA) as of September 2014, focusing on analysis of its decline as the leading space research organization in the world. Topics include the decreasing funding for NASA and correspondingly fewer missions, collaboration with The European Space Agency (ESA), Japanese Aerospace Exploration Agency (JAXA), and other groups, and outlooks on NASA's planned missions and priorities.

The article discusses the Chandra X-Ray Observatory, focusing on descriptions of notable discoveries made by the space telescope since its debut in 1999. Topics include the satellite's research into the phenomenon of dark energy, its discovery of the first known binary supermassive black hole system, and observations of the frequent energy flares from young Sun-like stars.

The article discusses the search for Earth-like worlds among the thousands of exoplanets that have been identified, focusing on methods of such research. Topics include the data provided by the U.S. National Aeronautics and Space Administration's Kepler spacecraft, the Transiting Exoplanet Survey Satellite (TESS), and the study of a planet's atmosphere for gases that should not be there according to chemical models as a sign of potential life.

The article offers news briefs related to astronomy in 2013. The Voyager 1 spacecraft was announced to be in interstellar space as shown in the data indicating its passage of the boundary on August 25, 2012. The Kepler spacecraft that was launched by the U.S. National Aeronautics & Space Administration (NASA) in search for planets similar to Earth has lost its four gyroscope-like wheels. A meteoroid has entered the planet's atmosphere and exploded in Chelyabinsk, Russia on February 15, 2013.

The article discusses several astronomers' theory of the universe revealed from the cosmological study of the cosmic microwave background (CMB) of the universe by the physicist Max Karl Ernst Ludwig Planck. Topics discussed include the analysis of cosmic characteristics through satellite's wavelength bands, the analysis of CMB radiation, and the two types of polarization according to the scientists which are the E-mode and the B-mode.

The article discusses quasars at the center of galaxies, which are powered by supermassive black holes. Galactic evolution, radio sources in space, and light spectra from quasars are discussed, as well as the gravity of black holes, particle collisions in space dust, and active galactic nuclei (AGN). The magnetic fields and spectral analysis of quasars are also discussed.

The article presents information about cosmology and the universe, questions and answers relating to those fields, and the scientific backgrounds of the experts who are answering the questions. Question topics include the Big Bang theory, how far back in time scientists can explore, and whether the universe has an edge.

The article discusses research into the age of the universe, and mentions topics such as spectrographic analysis of stars, primordial stars, and globular clusters. Luminosity of stars, the Hubble constant of universe expansion, and dark energy are discussed, as well as measurement of the cosmic microwave background (CMB), pressure fluctuations in the early universe, and astronomical observations from the European Space Agency's Planck mission and the Wilkinson Microwave Anisotropy Probe (WMAP).

The article presents news briefs of astronomical discoveries from 2012. The Cosmic Assembly Near-IR Deep Extragalactic Legacy Survey (CANDELS) group discovered the relationship of dwarf galaxies to star formation. The U.S. National Aeronautics & Space Administration's (NASA) Curiosity rover spacecraft successfully landed on Mars in August 2012. The Event Horizon Telescope (EHT) team discovered the effect of black holes' innermost stable circular orbit (ISCO) on its launch of jets of material.

The article discusses a period in Earth's history, called the Late Heavy Bombardment, occurring approximately four billion years ago in which planet Earth, the Moon, and other rocky worlds were bombarded with asteroids and comets. Topics include disagreement among astronomers on the exact timing of the event or its cause, images of the lunar craters on the farside and nearside of the Moon, planetary theories of the solar system's origin, and the origin of the bombarding material. INSETS: An altered model;The Nice Model.

The article discusses the Large Hadron Collider (LHC) at the European Organization for Nuclear Research (CERN) in France and Switzerland, and includes diagrams of the machines and information on research projects at the facility. The project A Large Ion Collider Experiment (ALICE) studies quark-gluon plasma which may have existed after the Big Bang. The Large Hadron Collider beauty (LHCb) experiment studies beauty quarks, or bottom quarks, and another project studies Higgs bosons.

This article discusses the discovery of black holes and the clues such as event horizons used by modern scientists to verify their existence. Topics include two classification types for black holes, stellar mass and super-massive, the use of X-ray binary system tracers in the identification of black holes, and the discovery of the Sagittarius A& (SGR A*) black hole that is believed to lie at the center of the Milky Way galaxy.

The article discusses astronomy research which occurred in 2011. The author looks at the discovery of superluminous supernovae, which were identified by Robert Quimby of the California Institute of Technology, research on gamma-ray bubble-shaped structures which are located near the Milky Way by astronomers Douglas Finkbeiner, Meng Su, and Tracy Slatyer, and the end of the U.S. National Aeronautics & Space Administration's (NASA) space shuttle program.

The article discusses astronomical research in Antarctica, where the lack of light pollution, high altitude, and cold temperatures allow scientists to observe long wavelengths of light. Observing the Cosmic Microwave Background (CMB) can give cosmologists information on the formation of space structures, the shape of the universe, and the sizes of galactic clusters through time. Scientists are also searching for weakly interacting massive particles (WIMPs), which may make up dark matter.

The article discusses stellar remnants or corpses including white dwarfs, neutron stars, and black holes and their divergent characteristics. Changes in stars the size of the Sun are discussed including their conversion into planetary nebula whose remains are white dwarfs. Stars with larger mass reportedly die as supernovae and even larger stars reportedly become black holes.

The article examines irregular satellites, which are moons that have distant and highly elliptical orbits in relation to their host planets. While astronomers believe that ordinary satellites formed with their planets, it is posited that irregular satellites have been captured by a planet’s gravitational pull due to either the protoplanetary gas and dust disk in the early solar system or the proximity of a planet and a binary planetesimal. The behavior of these satellites is discussed. INSETS: Not-so-odd irregular satellite;A second moon for Earth?;Cratered world.

The article discusses the formation of stars, which occurs over millions of years. Topics include an overview of the interstellar medium (ISM), which consists of clouds of cold gas and dust that fill the Milky Way galaxy, how instabilities between close approaches of galaxies and interstellar clouds seed star formation, and the use of computational modeling to help astronomers simulate a star's formation. INSET: How to make a star.

The article discusses surveys of the cosmos that will be conducted upon completion of the manufacturing of the Panoramic Survey Telescope & Rapid Response System (Pan-STARRS) and the Large Synoptic Survey Telescope (LSST). Advanced cameras housed with the telescopes will document images of stars, galaxies, and other objects within the field of view of the telescopes.

The article discusses the nature of stars, their contents, the fusion phenomena they exhibit, their evolution, and the manner in which they disappear, gradually or explosively. Reference is made to the Hertzsprung-Russell (H-R) diagram used to describe stars, noting relationships between star color and temperature and star size and luminosity. Fusion reactions involving hydrogen and helium are discussed.

The article discusses the top 10 stories of 2009 that regard astronomy and cosmology. They include the April 2009 observation of a record-breaking gamma ray burst using the Swift X-ray satellite, reports by scientists Elizabeth Humphreys and Deokkeun An and their colleagues of star formation at the center of the galaxy, and findings of numerous extrasolar planets using the Hubble Space telescope and other technology. INSET: Stories to watch in 2010.

The article discusses how much astronomers know about dark matter, which does not emit, absorb, or reflect light and is only detectable through its interactions with the gravity of ordinary matter. Topics include a historical overview of the discovery of dark matter beginning with Swiss astrophysicist Fritz Zwicky in 1933, how massive galaxy clusters, such as Abell 2218 have provided scientists with evidence that dark matter exists, and methods used to detect cold dark matter (CDM). INSET: Crumbs along the trail.

The article discusses the Milky Way galaxy and how mapping it helped scientists understand its spiral shape, which is the galaxy's most characteristic feature. Topics include a historical overview of how astronomers mapped the Milky Way beginning with galactic observations of nebulae by scientist William Herschel in the 1780s. Additional discoveries include radiation emission, the interstellar medium (ISM), and the rotation of the Milky Way. INSET: Finding the unseeable.

The article discusses the history and development of the telescope and explores the people who helped the telescope evolve. Astronomers and scientists who have contributed to the development of the telescope include Galileo Galilei, Sir Isaac Newton, and James Gregory. Details are also provided about the various types of reflecting and refracting telescopes developed and the increasing size of telescopes.

The article discusses dark energy and its potential role in a scenario in which matter in the universe expands to the point of ripping apart. Experiments in 1929 showed that the universe is expanding; in 1998, new experiments suggested the rate of expansion is accelerating, and this is attributed to dark energy. How the universe might end depends on the nature of dark energy, and weather expansion slows down, stays constant, or speeds up. If it speeds up, the universe could end in a "Big Rip." INSET: Cosmology and its crucial observations.

The article presents information related to cosmology, which is the study of the origin and evolution of the universe. The expansion of space is discussed, and Einstein's theory of relativity is discussed in regards to space. The Big Bang is also discussed. The article states that the universe is probably infinite. The Wilkinson Microwave Anisotropy Probe project, which studies the cosmic microwave background, is referred to. INSET: Hot stuff.

The article presents questions and answers related to astronomy on topics including satellite hyperion's low density and spongy texture, and observation of the rotation of hot star Vega.

The article presents illustrations of exoplanetary systems including HD 20782, which contains a Jupiter-like planet orbit a Sun-like star, Gliese 876, which contains four planets orbiting around a red dwarf star, and HR 8799, which contains four Jupiter-like planets, orbiting a white dwarf star.

A personal narrative of the author's experience on a trip to Iceland to view the northern lights, including her appreciation of the county's landscape, Nordic culture, and geological features.

The author presents a personal narrative of her experience traveling through Africa to view her first total solar eclipse in November 2013, including interaction with Moroccan and Gabonese culture.

The article offers answers to astronomy questions on topics including measurement of black hole spin, the highest possible temperature, and the New Horizons spacecraft's mission.