Posts filtered by tags: Planetary Science[x]


 

Astronomers Discover First Known Planet to Orbit a White Dwarf Star

The unprecedented discovery of a Jupiter-sized planet in orbit around a white dwarf star suggests it’s possible for planets to survive the tumultuous death throes of their parent stars.Read more...
Tags: Astronomy, Science, Exoplanets, Planetary Science, White Dwarfs


Now That Venus Is a Candidate for Alien Life, What's Next?

Our minds were blown yesterday as a team of researchers reported on the discovery of phosphine in the atmosphere of Venus—a potential sign of life. The discovery will undoubtedly renew scientific interest in our closest planetary neighbor. Here’s what should happen next, and how scientists could confirm—or deny—the…Read more...
Tags: Science, Nasa, Space Exploration, Aliens, Venus, Extraterrestrial Life, Astrobiology, Planetary Science, Microbes, Life On Other Planets, Microorganisms, Alien Microbes


A Guide to the Unearthly Oceans in Our Solar System

Liquid water is typically associated with planet Earth, but our solar system hosts surprisingly large volumes of the stuff—you just need to know where to look.Read more...
Tags: Astronomy, Space, Science, Earth, Planetary Science, Subsurface Oceans, Subterranean Oceans


Trillions of Rogue Planets Could Be Careening Through Our Galaxy

A new estimate suggests the Milky Way contains more free-floating planets than stars. It’s a big claim, but an upcoming mission might actually prove it.Read more...
Tags: Astronomy, Science, Planets, Milky Way, Exoplanets, Planetary Science, Rogue Planets


Dwarf Planet Ceres Has a Secret Saltwater Ocean

Scientists are attributing the mysterious bright spots on Ceres, the largest object in the main asteroid belt, to a gigantic reservoir of salty water beneath the dwarf planet’s crust.Read more...
Tags: Science, Ceres, Planetary Science, Dwarf Planets, Ocean Worlds, Cryovolcanism, Subsurface Oceans, Saltwater Ocean


At Night, the Martian Sky Pulses and Glows When Viewed in Ultraviolet Light

New ultraviolet observations of the Red Planet highlight complex circulation patterns in the Martian atmosphere, including eerily regular nightglow pulses invisible to the unaided eye.Read more...
Tags: Science, Mars, Atmospheric Science, Planetary Science, Maven, Ultraviolet Light, Martian Sky Pulses


Shallow Lightning and Mushy Hail: Violent Storms on Jupiter Are Weirder Than We Thought

Lightning and hailstones exist on Jupiter, but they’re of a very different sort than the ones we’re familiar with on Earth, as new research suggests.Read more...
Tags: Science, Earth, Lightning, Jupiter, Planetary Science


Ancient Mars May Have Been Less Wet Than We Thought

Ice sheets, and not rushing rivers, sculpted many Martian valleys, according to scientists. The new research suggests ancient Mars wasn’t as warm and wet as we thought, but an expert we spoke to remains unconvinced.Read more...
Tags: Science, Geology, Mars, Life on Mars, Habitability, Planetary Science, Water On Mars, Ancient Mars, Ice Sheets On Mars, Habitability On Mars


A Freaky Elongated Cloud Has Reappeared on Mars

Like clockwork, a strange cloud has returned high above the Martian surface. Read more...
Tags: Science, Clouds, Mars, Planetary Science, Arsia Mons, Martian Clouds, Martian Weather


Your Guide to NASA’s Life-Hunting Mars Rover, Perseverance

NASA is set to launch its next rover to Mars on July 30, in what is certain to be an exciting new phase in humanity’s exploration of the Red Planet. Here’s what you’ll want to know about the Perseverance rover and why it’s our best bet yet for finding evidence of life on Mars.Read more...
Tags: Science, Nasa, Space Exploration, Mars, Mars Rover, Planetary Science, Rovers, Perseverance, Mars 2020, Perseverance Rover


Five Things to Know About UAE’s First Mission to Mars

The Emirates Hope Mission, scheduled to launch this Friday, is the first Arab attempt to reach the Red Planet. Here’s how the UAE will endeavor to make history.Read more...
Tags: Science, Space Exploration, Mars, Uae, Planetary Science, Mars Exploration, Emirates Mars Mission, Hope Mars Mission, Hope Spacecraft


Jupiter Just Sprouted a Brand New Spot

An amateur astronomer in South Africa has detected a bright new surface feature rising above the cloud tops on Jupiter.Read more...
Tags: Astronomy, Science, South Africa, Jupiter, Planetary Science


Time to Take an Epic Flight Over This Frozen Martian Crater

Korolev crater on Mars—the largest ice skating rink in the solar system, basically—has never looked more enthralling than it does in this impressive new visualization.Read more...
Tags: Science, Mars, Planetary Science, Korolev, Korolev Crater, Frozen Martian Crater


See 14 Mind-Blowing Places in Our Solar System

Our solar system is an undeniably fascinating place, featuring an assortment of celestial oddities and wonders. Between the planets, moons, comets, and asteroids, there’s no shortage of places for us to explore. Slowly but very surely, we’re finding all sorts of incredible—and sometimes unexplainable—phenomena.Read more...
Tags: Astronomy, Space, Science, Solar System, Planetary Science


A Green Glow Has Been Detected in the Martian Atmosphere

The Red Planet has a touch of green, according to atmospheric observations performed by the ExoMars Trace Gas Orbiter. It’s the first time this effect has been documented on a planet other than Earth.Read more...
Tags: Science, Mars, Oxygen, Atmospheric Science, Planetary Science, Red Planet


More Evidence That Mars Once Had a Ring—and Will Again

New research offers an explanation for the unusual orbit of Mars’ moon Deimos, one that bolsters the hypothesis that the Red Planet periodically features a Saturn-like ring.Read more...
Tags: Science, Mars, Planetary Science, Phobos, Red Planet, Deimos, Martian Moons


Dino-Killing Asteroid Spawned a Huge Magma Chamber That Lasted Millions of Years

When the dinosaur-snuffing asteroid hit Earth some 66 million years ago, it produced a subterranean pool of magma roughly nine times larger than the current caldera at Yellowstone National Park, according to new research.Read more...
Tags: Science, Earth, Yellowstone National Park, Planetary Science, Impact Craters, Chicxulub Impact Crater, Hydrothermal Systems


Turns Out That ‘Active’ Object in Jupiter’s Orbit Is a Comet in Disguise

Astronomers were abuzz last week following the discovery of an active asteroid in Jupiter’s orbit, in what was thought to be a new type of celestial object. Follow-up investigations have revealed it to be a regular comet, albeit one in a misleading orbit. Read more...
Tags: Astronomy, Science, Comets, Jupiter, Planetary Science, Trojan asteroids, Active Asteroids


Freaky ‘Active’ Object in Jupiter’s Orbit Is First of Its Kind Seen by Astronomers

It’s neither an asteroid nor a comet but something in between. It’s also parked within Jupiter’s orbit, making this object the first of its kind to ever be detected.Read more...
Tags: Science, Comets, Asteroids, Jupiter, Jupiter trojans, Planetary Science, Active Asteroids


Evidence Mounts for Gigantic Water Plumes on Jupiter’s Moon Europa

While studying Europa’s magnetic field in 2000, NASA’s Galileo spacecraft inadvertently collected evidence of watery plumes shooting out from the moon’s icy surface, according to new research.Read more...
Tags: Science, Nasa, Moon, Jupiter, Europa, Planetary Science, Moon Europa, Plumes


Jupiter Looks Like a Fireball in This ‘Lucky’ Infrared Image

Hard to believe, but this stunning infrared image of Jupiter was taken from Earth’s surface, specifically from the Gemini North Telescope in Hawaii. Combined with other observational data, the new image is casting revelaing more about the gas giant’s epic storms and an odd feature seen in its Great Red Spot.Read more...
Tags: Science, Earth, Hawaii, Infrared, Jupiter, Planetary Science, Gas Giants


Hi-Res View of Ryugu Asteroid Suggests It Had a Close Encounter With the Sun

Hayabusa2 is heading home to Earth, but scientists continue to review data collected by the spacecraft during its visit to the Ryugu asteroid, including its brief moments on the surface. New images are providing an unprecedented look at this gigantic pile of rocks, as well as a potential explanation for its weird,…Read more...
Tags: Science, Earth, Asteroids, Planetary Science, Ryugu, Hayabusa2


NASA’s Next Rover Has the Right Stuff to Hunt for Life on Mars

In preparation for the upcoming Perseverance mission to Mars, astrobiologists performed a dry run to see if the new rover is actually capable of finding signs of ancient life. The good news: It is, if Mars is anything like Australia. Read more...
Tags: Science, Australia, Nasa, Mars, Astrobiology, Habitability, Planetary Science, Perseverance, Mars rovers


Enormous Ice Avalanches on Mars May Have Rushed Down Craters at 260 Feet Per Second

Enigmatic features tucked inside two Martian impact craters could be the remnants of colossal ice avalanches, the largest of which traveled over 9 miles.Read more...
Tags: Science, Mars, Avalanches, Planetary Science


Vanishing Exoplanet Might Actually Be the Aftermath of a 'Supercatastrophic' Collision

A known exoplanet has disappeared from sight, prompting speculation among astronomers that it was never a planet in the first place and is instead the shattered remnants of a celestial smash-up.Read more...
Tags: Astronomy, Science, Hubble, Exoplanets, Planetary Science


Potentially Habitable Earth-Sized Exoplanet Spotted in the Kepler Reject Pile

For years, a dedicated team of experts has manually sifted through troves of rejected Kepler data in hopes of finding something the computers had missed—an exercise that has resulted in the discovery of what is now arguably the most Earth-like planet known to astronomers.Read more...
Tags: Science, Earth, Exoplanets, Kepler, Astrobiology, Planetary Science, Red Dwarfs, Habitable Zone, Earth Like Planets, Habitable Zone Planets


Oh Crap, a Really Promising Comet Just Fell to Pieces

Discovered late last year, C/2019 Y4 ATLAS was supposed to be the brightest comet to decorate the night sky in decades, but now it appears to have suffered a major collapse.Read more...
Tags: Science, Comets, Planetary Science, C2019 Y4 Atlas


New Theory Explains How Interstellar Object ‘Oumuamua Got Its Freaky Shape

In the three years since ‘Oumuamua visited our solar system, scientists have struggled to explain some of its more enigmatic features, including its cigar-like shape. State-of-the-art computer models are providing some tantalizing new clues, showing how the object likely formed and how it became an interstellar…Read more...
Tags: Astronomy, Science, Comets, Planetary Science, Oumuamua, Interstellar Objects


Ancient Mercury Had the Right Stuff For Life, Surprising New Research Suggests

Mercury, the closest planet to the Sun, is one of the last places we think about when considering the potential for life in the solar system. New research suggests the planet’s interior once contained the basic ingredients for life, a finding that could change the way we view this toasty, tortured planet. Read more...
Tags: Science, Chemistry, Mercury, Extraterrestrial Life, Astrobiology, Planetary Science


NASA's New View of Asteroid Bennu Transports Us Far Away From Our Troubles

To prepare for OSIRIS-REx’s pending touchdown onto the surface of Bennu, NASA used the spacecraft to photograph every nook and cranny of the weirdly shaped asteroid. The purpose of this exercise was to catalog potentially hazardous geological features, but a side benefit is that we have a gorgeous new view of the…Read more...
Tags: Science, Nasa, Asteroids, Planetary Science, Bennu, Osiris Rex