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NEWS ABOUT: planet

NASA Will Try to Free Rover Stuck on Mars

Spirit has been in a sand trap since April

(Newser) - Help is on the way, rover. NASA will attempt to free the Mars rover Spirit from its sand-trap prison on Monday. The plucky machine got stuck in April—“the equivalent of falling through the ice over a frozen pond," says a NASA official. Spirit has been exploring Mars... More »

32 New Exoplanets Discovered

New finds signal that cosmos harbors wealth of planets

(Newser) - European astronomers have discovered 32 new planets in other solar systems, bringing the total of known exoplanets to over 400. The planets—which range in size from five times the size of Earth to five times the size of Jupiter—were found circling a variety of stars. The new discoveries... More »

Mammoth Ring Found Around Saturn

(Newser) - Scientists have discovered a colossal ring around Saturn, the biggest planetary ring yet found. It's enormous even by solar system standards: Among the analogies being used to make it clear to our little earthly minds is that it would take 1 billion Earths to fill it. "This thing is... More »

New Planet Expected to Crash and Burn

It defies laws of physics

(Newser) - Scientists in the UK have discovered a planet that defies the laws of physics, the Independent reports. WASP-18b, which is orbiting a star 1,000 light years from Earth, is so big and close to the sun that it should be pulled toward it. "The spin of the star... More »

Aussies to Zap Text Messages at Mystery Planet

(Newser) - An Australian science magazine is soliciting text messages to send to a mysterious planet more than 20 light-years away, Space.com reports. Called "Hello from Earth," the project aims to transmit 160-character missives to Gliese 581d, a so-called "Super Earth" discovered 2 years ago. "Will... More »

Saturn's Rings Vanish Today

They'll be out of sight for three months

(Newser) - Saturn's rings will disappear from sight for three months starting today, Space.com reports. The rings, 170,000 miles long but only 30 feet thick, are visible because they reflect sunlight. But they vanish once every 15 years as equinoxes occur in its 30-year orbit and the rings are directly... More »

Mysterious Bright Spot Appears on Venus

Scientists suspect volcanic eruption

(Newser) - Astronomers are puzzling over a strange white spot that recently appeared in the clouds of Venus, the BBC reports. The European Space Agency’s Venus Express spacecraft confirmed the spot, originally noticed by an amateur stargazer on July 19. Data suggests it appeared 4 days before that and has been... More »

Jupiter Slammed by Mystery Object

(Newser) - A massive mysterious object scientists believe may be a comet slammed into Jupiter yesterday, AP reports. The Earth-size impact "scar" left by the object was caught on NASA's powerful infrared telescope in Hawaii. The agency was alerted to the new mark on the planet by an amateur astronomer in... More »

Surprise: Mercury Has a Personality

(Newser) - Mercury's not such a dull planet after all. A new batch of papers in Science spells out evidence of a busy volcanic past and describes an unusual impact crater that would stretch from Boston to DC, reports Wired. The papers, which draw from the October flyby of NASA's Messenger craft,... More »

Scientists Spot End of World

Remains of solar systems discovered around dead stars

(Newser) - Astronomers looking at dead stars trillions of miles away believe they have glimpsed Earth's eventual fate, the Times of London reports. The scientists found that many white dwarfs—stars that swelled, burned out, and collapsed—are surrounded by a dust they think is the remnants of planets like ours destroyed... More »

Kepler Begins Search for Other 'Earths'

Spacecraft will spend next 3 years searching for planet in 'Goldilocks zone'

(Newser) - NASA's planet-hunting spacecraft Kepler was successfully launched from Cape Canaveral last night, Space.com reports. Kepler, the widest-field telescope ever sent into space, will spend the next three years scanning the sky for a planet in the "Goldilocks zone" where conditions are just right for liquid water to exist... More »

Pluto Is Still a Planet, Illinois Senate Declares

(Newser) - Having helped install a hometown boy in the White House and ousted its colorful governor, Illinois is next out to save Pluto, the Guardian reports. The state senate blasted the International Astronomical Union’s 2006 decision to demote the erstwhile ninth planet to a “dwarf planet,” and voted... More »

Alien Life 'Inevitable': Astronomer

Countless Earth-like planets likely in universe

(Newser) - Scientists now believe there could be as many habitable planets in the cosmos as there are stars, and that makes life’s existence elsewhere “inevitable” over billions of years, says one. “It is sort of like running an experiment in your refrigerator—turn it off and something will... More »

If Another Earth Is Out There, Kepler Will Find it

NASA telescope designed to look for life-sustaining planets

(Newser) - If there's truly no place like home, then NASA's new Kepler mission will help scientists prove it. The space telescope, set to launch March 5, will scan the skies for planets with the approximate size and temperature range of Earth. Matches could be candidates for extraterrestrial life; if Kepler finds... More »

Nearby Solar System Looks Familiar

(Newser) - A nearby solar system looks a lot like ours, complete with newly identified asteroid belts, gas giants, and a similarly sized sun, Space.com reports. The star at the center of the system is visible without magnification, and scientists say they can infer the presence of planets in a zone... More »

Trick Telescopy Aids in Search for Alien Life

Precision mirrors could show stargazers planets far, far away

(Newser) - Telescope technology currently in the works will use light measurements to search for planets beyond our solar system whose orbit around a star means they could support life, Wired reports. The system, called nulling interferometry, uses tiny mirrors that move at atomic levels to combine the power of several telescopes,... More »

Dwarf Planet Gets a Name

Smaller than Pluto, Makemake is covered in frozen methane

(Newser) - The neighborhood of the solar system beyond Neptune has a new resident—or rather, an old resident with a new name. The dwarf planet originally dubbed Easterbunny will now be known as Makemake (pronounced MAH-keh MAH-keh), reports USA Today. More »

Thinking 'Bots May Probe Planets for Us

Gizmos could direct airships over Titan, Europa by 2017

(Newser) - WALL-E they aren't, but future space robots may decide how and where we explore other planets, Space.com reports. Using what expert Wolfgang Fink calls “tier-scalable reconnaissance,” orbiting spacecrafts could choose where to deploy airships that drop rovers on planet surfaces. NASA and Europe may test the software... More »

Mercury Is Shrinking

Messenger spacecraft reveals planets core still molten

(Newser) - The planet Mercury is shrinking, the LA Times reports. Data from NASA’s Mercury Messenger spacecraft reveal that the planet’s diameter has shrunk by a mile over its history, probably because its core is cooling. Messenger flew in for a close-up in January, and scientists are now piecing together... More »

New Planets Yield Hopes of Life Beyond

Rocky, Earth-like orbs appear to be out there; might we indeed have company?

(Newser) - The discovery, announced last week, that rocky, Earth-sized planets appear to be circling sun-sized stars in our own galaxy should thrill the closet Star Trek geek in all of us, Natalie Angier writes in the New York Times. "If planets abound, scientists suspect that life abounds, too, at least... More »

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