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Communications of the ACM

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An edited collection of advanced computing news from Communications of the ACM, ACM TechNews, other ACM resources, and news sites around the Web.


'Marsquakes' Could Shake ­p Planetary Science
From ACM News

'Marsquakes' Could Shake ­p Planetary Science

Starting next year, scientists will get their first look deep below the surface of Mars.

Kepler Beyond Planets: Finding Exploding Stars
From ACM News

Kepler Beyond Planets: Finding Exploding Stars

Astronomer Ed Shaya was in his office looking at data from NASA's Kepler space telescope in 2012 when he noticed something unusual: The light from a galaxy had...

Mars Curiosity Celebrates Sol 2,000
From ACM News

Mars Curiosity Celebrates Sol 2,000

NASA's Mars Curiosity rover just hit a new milestone: its two-thousandth Martian day, or sol, on the Red Planet. An image mosaic taken by the rover in January offers...

NASA Dawn Reveals Recent Changes in Ceres' Surface
From ACM News

NASA Dawn Reveals Recent Changes in Ceres' Surface

Observations of Ceres have detected recent variations in its surface, revealing that the only dwarf planet in the inner solar system is a dynamic body that continues...

NASA Juno finds Jupiter's Jet-Streams Are ­nearthly
From ACM News

NASA Juno finds Jupiter's Jet-Streams Are ­nearthly

Data collected by NASA's Juno mission to Jupiter indicate that the atmospheric winds of the gas-giant planet run deep into its atmosphere and last longer than similar...

Curiosity Tests a New Way to Drill on Mars
From ACM News

Curiosity Tests a New Way to Drill on Mars

NASA's Mars Curiosity rover has conducted the first test of a new drilling technique on the Red Planet since its drill stopped working reliably.

Seven Ways Mars InSight is Different
From ACM News

Seven Ways Mars InSight is Different

NASA's Mars InSight lander team is preparing to ship the spacecraft from Lockheed Martin Space in Denver, where it was built and tested, to Vandenberg Air Force...

New Study Brings Antarctic Ice Loss Into Sharper Focus
From ACM News

New Study Brings Antarctic Ice Loss Into Sharper Focus

A NASA study based on an innovative technique for crunching torrents of satellite data provides the clearest picture yet of changes in Antarctic ice flow into the...

New Study Finds Sea Level Rise Accelerating
From ACM News

New Study Finds Sea Level Rise Accelerating

The rate of global sea level rise has been accelerating in recent decades, rather than increasing steadily, according to a new study based on 25 years of NASA and...

NASA Tests Atomic Clock For Deep Space Navigation
From ACM News

NASA Tests Atomic Clock For Deep Space Navigation

In deep space, accurate timekeeping is vital to navigation, but many spacecraft lack precise timepieces on board.

New Nasa Space Sensors to Address Key Earth Questions
From ACM News

New Nasa Space Sensors to Address Key Earth Questions

Why is the Arctic warming faster than the rest of the planet?

Vista From Mars Rover Looks Back Over Journey So Far
From ACM News

Vista From Mars Rover Looks Back Over Journey So Far

A panoramic image that NASA's Curiosity Mars rover took from a mountainside ridge provides a sweeping vista of key sites visited since the rover's 2012 landing,...

Geocarb: A New View of Carbon Over the Americas
From ACM News

Geocarb: A New View of Carbon Over the Americas

A new NASA Earth science mission in the early stages of design may achieve a transformational advance in our understanding of the global carbon cycle by mapping...

Nasa Space Telescopes Provide a 3D Journey Through the Orion Nebula
From ACM News

Nasa Space Telescopes Provide a 3D Journey Through the Orion Nebula

Astronomers and visualization specialists from NASA's Universe of Learning program have combined visible and infrared vision of the Hubble and Spitzer space telescopes...

Nasa Sees First Direct Proof of Ozone Hole Recovery
From ACM News

Nasa Sees First Direct Proof of Ozone Hole Recovery

For the first time, scientists have shown through direct observations of the ozone hole by a satellite instrument, built by NASA's Jet Propulsion Laboratory in...

Artificial Intelligence, Nasa Data ­sed to Discover Eighth Planet Circling Distant Star
From ACM News

Artificial Intelligence, Nasa Data ­sed to Discover Eighth Planet Circling Distant Star

Our solar system now is tied for most number of planets around a single star, with the recent discovery of an eighth planet circling Kepler-90, a Sun-like star...

Sierras Lost Water Weight, Grew Taller During Drought
From ACM News

Sierras Lost Water Weight, Grew Taller During Drought

Loss of water from the rocks of California's Sierra Nevada caused the mountain range to rise nearly an inch (24 millimeters) in height during the drought years...

Bright Areas on Ceres Suggest Geologic Activity
From ACM News

Bright Areas on Ceres Suggest Geologic Activity

If you could fly aboard NASA's Dawn spacecraft, the surface of dwarf planet Ceres would generally look quite dark, but with notable exceptions.

Nasa's Juno Probes the Depths of Jupiter's Great Red Spot
From ACM News

Nasa's Juno Probes the Depths of Jupiter's Great Red Spot

Data collected by NASA's Juno spacecraft during its first pass over Jupiter's Great Red Spot in July 2017 indicate that this iconic feature penetrates well below...

Found: Most Distant Black Hole
From ACM News

Found: Most Distant Black Hole

Scientists have uncovered a rare relic from the early universe: the farthest known supermassive black hole. This matter-eating beast is 800 million times the mass...
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