Asteroids, Comets and Meteors News
July 28, 2016

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More Asteroids, Comets and Meteors News
July 28, 2016

Transformations to Granular Zircon Revealed: Meteor Crater, Arizona

July 27, 2016 — Having been reported in lunar samples returned by Apollo astronauts, meteorites, impact glass, and at a number of meteorite craters on Earth, granular zircon is the most unusual and enigmatic type of ... read more

July 11, 2016 — For only the second time in a year, a NASA camera aboard the DSCOVR satellite captured a view of the moon as it moved in front of the sunlit side of Earth. From its position between the sun and ... read more

July 1, 2016 — The JEDI is one of several instruments aboard NASA's Juno spacecraft -- set to enter Jupiter orbit on July 4 -- that will help scientists answer fundamental questions about the solar ... read more

June 30, 2016 — Some galaxies pump out vast amounts of energy from a very small volume of space, typically not much bigger than our own solar system. The cores of these galaxies, so called Active Galactic Nuclei or ... read more

June 30, 2016 — Some of the wind-sculpted sand ripples on Mars are a type not seen on Earth, and their relationship to the thin Martian atmosphere provides new clues about the atmosphere's ... read more

June 30, 2016 — Scientists have devised a method of distinguishing black holes from compact massive objects that are externally indistinguishable from one another. The method involves studying the energy spectrum of ... read more

June 30, 2016 — Astronomers are using the NASA/ESA Hubble Space Telescope to study auroras -- stunning light shows in a planet's atmosphere -- on the poles of the largest planet in the Solar System, ... read more

Chaotic Orbit of Comet Halley Explained

June 30, 2016 — Astronomers have found an explanation for the chaotic behavior of the orbit of Halley's ... read more

June 29, 2016 — Researchers have found that several volcanic deposits on Mercury's surface require mantle melting to have started close to the planet's core-mantle boundary, which lies only 400 km below ... read more

June 29, 2016 — Scientists have developed an automated method for three-dimensional tracking of massive eruptions from the Sun, called Coronal Mass Ejections (CMEs). The Automated CME Triangulation (ACT) system uses ... read more

‘Building Blocks for Life' May Originate in Space

June 28, 2016 — Amino acids are the building blocks for life on earth. They may originate in space and reach the earth via comets and ... read more

June 28, 2016 — Numerical models show hot, rocky exoplanets can change their chemistry by vaporizing rock-forming elements in steam atmospheres that are then partially lost to ... read more

June 27, 2016 — Scientists have discovered an elusive, dark moon orbiting Makemake, one of the 'big four' dwarf planets populating the Kuiper Belt region at the edge of our solar ... read more

June 27, 2016 — Geologists trace Mercury's origins to weird, rare meteorite, and find planet cooled dramatically shortly after it ... read more

June 27, 2016 — Chemicals found in Martian rocks by NASA's Curiosity Mars rover suggest the Red Planet once had more oxygen in its atmosphere than it does now. The findings add to evidence revealing how ... read more

June 27, 2016 — Planetary scientists have discovered pieces of opal in a meteorite found in Antarctica, a result that demonstrates that meteorites delivered water ice to asteroids early in the history of the solar ... read more

June 24, 2016 — Two massive blob-like structures lie deep within the Earth, roughly on opposite sides of the planet. The two structures, each the size of a continent and 100 times taller than Mount Everest, sit on ... read more

June 24, 2016 — Earth's ancient magnetic field was significantly different than the present day field, originating from several poles rather than the familiar two, new research suggests. Then, shortly after our ... read more

June 23, 2016 — A European team of astronomers have used the new GRAVITY instrument at ESO's Very Large Telescope to obtain exciting observations of the center of the Milky Way by combining light from all four ... read more

June 23, 2016 — In the first billion years of Earth's history, the planet was bombarded by primordial asteroids, while a faint Sun provided much less heat. Scientists now posit that this tumultuous beginning ... read more

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