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December 30, 2016
SATURN DAILY
Cassini offers a crash course in ring world orbital mechanics



Pasadena CA (JPL) Dec 21, 2016
It may look as though Saturn's moon Mimas is crashing through the rings in this image taken by NASA's Cassini spacecraft, but Mimas is actually 28,000 miles (45,000 kilometers) away from the rings. There is a strong connection between the icy moon and Saturn's rings, though. Gravity links them together and shapes the way they both move. The gravitational pull of Mimas (246 miles or 396 kilometers across) creates waves in Saturn's rings that are visible in some Cassini images. Mimas' gravity also h ... read more

EXO WORLDS
ALMA finds compelling evidence for pair of infant planets around young star
Astronomers now know that our galaxy is teeming with planets, from rocky worlds roughly the size of Earth to gas giants bigger than Jupiter. Nearly every one of these exoplanets has been discovered ... more
EXO WORLDS
Rings around young star suggest planet formation in progress
Rice University astronomers and their colleagues have for the first time mapped gases in three dark rings around a distant star. The rings mark spaces where planets are thought to have formed from d ... more
SATURN DAILY
Saturn's bulging core implies moons younger than thought
Freshly harvested data from NASA's Cassini mission reveals that the ringed planet's moons may be younger than previously thought. "All of these Cassini mission measurements are changing our view of ... more
SATURN DAILY
Cassini Beams Back First Images from New Orbit
NASA's Cassini spacecraft has sent to Earth its first views of Saturn's atmosphere since beginning the latest phase of its mission. The new images show scenes from high above Saturn's northern hemis ... more
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International SMR and Advanced Reactor Summit 2018 - March 27-28 - Atlanta USA
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SATURN DAILY
Cassini Makes First Ring-Grazing Plunge
NASA's Saturn-orbiting Cassini spacecraft has made its first close dive past the outer edges of Saturn's rings since beginning its penultimate mission phase on Nov. 30. Cassini crossed through the p ... more
SATURN DAILY
NASA Saturn Mission Prepares for 'Ring-Grazing Orbits'
A thrilling ride is about to begin for NASA's Cassini spacecraft. Engineers have been pumping up the spacecraft's orbit around Saturn this year to increase its tilt with respect to the planet's equa ... more
SATURN DAILY
Vast equatorial jet stream in Saturn's atmosphere are revealed
The atmosphere of the planet Saturn, a gas giant ten times bigger than the Earth consisting mostly of hydrogen, has a wider, more intense jet stream than all the planets in the Solar System. Winds g ... more
SATURN DAILY
Watching Summer Clouds on Titan
NASA's Cassini spacecraft watched clouds of methane moving across the far northern regions of Saturn's largest moon, Titan, on Oct. 29 and 30, 2016. Several sets of clouds develop, move over t ... more
OUTER PLANETS
Mystery solved behind birth of Saturn's rings
A team of researchers has presented a new model for the origin of Saturn's rings based on results of computer simulations. The results of the simulations are also applicable to rings of other giant ... more


Giant Rings Around Exoplanet Turn in the Wrong Direction

EXO WORLDS
How Planets Like Jupiter Form
Young giant planets are born from gas and dust. Researchers of ETH Zurich and the Universities of Zurich and Bern simulated different scenarios relying on the computing power of the Swiss National S ... more
SATURN DAILY
Titan experiences dramatic seasonal changes
As Titan approaches its northern summer solstice, NASA's Cassini spacecraft has revealed dramatic seasonal changes in the atmospheric temperature and composition of Saturn's largest moon. Wint ... more
Small Troughs Growing on Mars May Become 'Spiders'
Erosion-carved troughs that grow and branch during multiple Martian years may be infant versions of larger features known as Martian "spiders," which are radially patterned channels found only in the south polar region of Mars. Researchers using NASA's Mars Reconnaissance Orbiter (MRO) report the first detection of cumulative growth, from one Martian spring to another, of channels resultin ... more
All eyes on Trump over Mars

Opportunity performs several drives to ancient gully

Full go-ahead for building ExoMars 2020

China plans probes to far side, poles of Moon
China is planning missions to explore the far side of the Moon and to send robots to explore both lunar poles. Plans to send astronauts to the Moon are also being discussed, according to Wu Yanhua, vice director of the China National Space Administration. Wu told a press conference on Tuesday that work on the Chang'e-5 lunar mission, scheduled to make a soft landing on the Moon and r ... more
Lunar sonic booms

India Inc joins hands to bid for moon mission

TeamIndus signs contract with ISRO for lunar mission

Cassini offers a crash course in ring world orbital mechanics
It may look as though Saturn's moon Mimas is crashing through the rings in this image taken by NASA's Cassini spacecraft, but Mimas is actually 28,000 miles (45,000 kilometers) away from the rings. There is a strong connection between the icy moon and Saturn's rings, though. Gravity links them together and shapes the way they both move. The gravitational pull of Mimas (246 miles or 396 kil ... more
Saturn's bulging core implies moons younger than thought

Cassini Makes First Ring-Grazing Plunge

Cassini Beams Back First Images from New Orbit

China Plans to Launch 1st Mars Probe by 2020 - State Council Information Office
China is planning to conduct the first orbiting and roving exploration of Mars by 2020, the country's State Council Information Office (SCIO) said Tuesday in a report. "China intends to execute its first Mars exploration operation, and grasp key technologies for orbiting, landing and roving exploration. It plans to launch the first Mars probe by 2020 to carry out orbiting and roving explor ... more
China to expand int'l cooperation on space sciences

China sees rapid development of space science and technology

Chinese missile giant seeks 20% of a satellite market

The Last Free American Board Game
Exploring Pluto and the Wild Back Yonder
As 2016 ends, I can't help but point out an interesting symmetry in where the mission has recently been and where we are going. Exactly two years ago we had just taken New Horizons out of cruise hibernation to begin preparations for the Pluto flyby. And exactly two years from now we will be on final approach to our next flyby, which will culminate with a very close approach to a small Kuiper Bel ... more
Juno Captures Jupiter 'Pearl'

Juno Mission Prepares for December 11 Jupiter Flyby

Research Offers Clues About the Timing of Jupiter's Formation

Microlensing Study Suggests Most Common Outer Planets Likely Neptune-mass
A new statistical study of planets found by a technique called gravitational microlensing suggests that Neptune-mass worlds are likely the most common type of planet to form in the icy outer realms of planetary systems. The study provides the first indication of the types of planets waiting to be found far from a host star, where scientists suspect planets form most efficiently. "We've fou ... more
Searching a sea of 'noise' to find exoplanets - using only data as a guide

The blob can learn and teach

Exciting new creatures discovered on ocean floor

First Light for Breakthrough Listen at Parkes Telescope
Breakthrough Listen, the 10-year, $100-million astronomical search for intelligent life beyond Earth launched in 2015 by Internet entrepreneur Yuri Milner and Stephen Hawking, has announced its first observations using the Parkes Radio Telescope in New South Wales, Australia. Parkes joins the Green Bank Telescope (GBT) in West Virginia, USA, and the Automated Planet Finder (APF) at Lick Ob ... more
Search for ET underway with Parkes Radio Telescope

Breakthrough Listen to Search for Intelligent Life Around Tabby's Star

New bacteria groups, and stunning diversity, discovered underground

There's a jet stream in our core
We would normally associate jet streams with the weather but, thanks to ESA's magnetic field mission, scientists have discovered a jet stream deep below Earth's surface - and it's speeding up. Launched in 2013, the trio of Swarm satellites are measuring and untangling the different magnetic fields that stem from Earth's core, mantle, crust, oceans, ionosphere and magnetosphere. Toget ... more
exactEarth to study Small Vessel Tracking for UK Space Agency

China launches TanSat to study atmospheric carbon dioxide processes

Airbus DS ships payload module for MetOp-C for final assembly

International SMR and Advanced Reactor Summit 2018 - March 27-28 - Atlanta USA
ALPHA observes light spectrum of antimatter for first time
In a paper published in the journal Nature, the ALPHA collaboration reports the first ever measurement on the optical spectrum of an antimatter atom. This achievement features technological developments that open up a completely new era in high-precision antimatter research. It is the result of over 20 years of work by the CERN antimatter community. "Using a laser to observe a transition i ... more
ALPHA observes light spectrum of antimatter for first time

Existence of a short-lived tetraneutron predicted

Saudi Arabia Adopts Western Calendar

Extraterrestrial impact preceded ancient global warming event
A comet strike may have triggered the Paleocene-Eocene Thermal Maximum (PETM), a rapid warming of the Earth caused by an accumulation of atmospheric carbon dioxide 56 million years ago, which offers analogs to global warming today. Sorting through samples of sediment from the time period, researchers at Rensselaer Polytechnic Institute discovered evidence of the strike in the form of micro ... more
Scientists use Moon to study dinosaur killer

At the Jersey shore, signs of a comet, and a climate crisis

Research supports idea that moon was created by object hitting infant Earth

PANIC Lander to Revolutionize Asteroid Research
A US-German team of researchers has proposed to develop a micro-scale low-cost surface lander for the in situ characterization of an asteroid. The tiny spacecraft, called the Pico Autonomous Near-Earth Asteroid In Situ Characterizer (PANIC), could be a breakthrough for the scientific community, offering simple and cheap solutions for asteroid research. The concept of the PANIC mission envi ... more
The case of the missing diamonds

Ceres Offers Insight Into Prospects For Life in Early Solar System

Studies refute hypothesis on what caused abrupt climate change thousands of years ago

Daily Newsletters - Space - Military - Environment - Energy
Satellites observe 'traffic jams' in Antarctic Ice Stream caused by tides
For the first time, researchers have closely observed how the ocean's tides can speed up or slow down the speed of glacial movement in Antarctica. The new data will help modelers better predict how glaciers will respond to rising sea levels. Caltech's Brent Minchew (PhD '16) and Mark Simons, along with their collaborators and in cooperation with the Italian Space Agency (ASI), exploited fo ... more
Arctic lakes thawing earlier each year

Scientists measure pulse of CO2 emissions during spring thaw in the Arctic

Landsat provides global view of speed of ice

China Plans to Launch 1st Mars Probe by 2020 - State Council Information Office
China is planning to conduct the first orbiting and roving exploration of Mars by 2020, the country's State Council Information Office (SCIO) said Tuesday in a report. "China intends to execute its first Mars exploration operation, and grasp key technologies for orbiting, landing and roving exploration. It plans to launch the first Mars probe by 2020 to carry out orbiting and roving explor ... more
China to expand int'l cooperation on space sciences

China sees rapid development of space science and technology

Chinese missile giant seeks 20% of a satellite market

Satellites observe 'traffic jams' in Antarctic Ice Stream caused by tides
For the first time, researchers have closely observed how the ocean's tides can speed up or slow down the speed of glacial movement in Antarctica. The new data will help modelers better predict how glaciers will respond to rising sea levels. Caltech's Brent Minchew (PhD '16) and Mark Simons, along with their collaborators and in cooperation with the Italian Space Agency (ASI), exploited fo ... more
Arctic lakes thawing earlier each year

Scientists measure pulse of CO2 emissions during spring thaw in the Arctic

Landsat provides global view of speed of ice

Cassini offers a crash course in ring world orbital mechanics
It may look as though Saturn's moon Mimas is crashing through the rings in this image taken by NASA's Cassini spacecraft, but Mimas is actually 28,000 miles (45,000 kilometers) away from the rings. There is a strong connection between the icy moon and Saturn's rings, though. Gravity links them together and shapes the way they both move. The gravitational pull of Mimas (246 miles or 396 kil ... more
Saturn's bulging core implies moons younger than thought

Cassini Makes First Ring-Grazing Plunge

Cassini Beams Back First Images from New Orbit



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