Tag: Dwarf planets

Dwarf Planet May Have Collided With The Moon A Long Time Ago

A new study suggests that the Moon's asymmetrical look may have been caused by a direct collision with another space object. The culprit may have been an asteroid or a dwarf planet about 450 to 480 miles in diameter.

Space May 22, 2019

Pluto’s Atmosphere Could Collapse, Disappear By 2030

Pluto's atmosphere is only years away from an atmospheric collapse due to seasonal changes and freezing conditions. By 2030, scientists predict the dwarf planet's atmosphere to have completely collapsed into frost.

Space April 29, 2019

NASA's Dawn Captures Sharper Images Of Weird Bright Spots On Dwarf Planet Ceres

Dawn captured the most detailed pictures of Ceres as it orbits from a proximity of 22 miles above the surface. The new orbit allowed the spacecraft to get a sharper image of Ceres's weird bright spots at the Occator crater.

Space July 4, 2018

New Theory About Trans-Neptunian Objects Fails To Completely Debunk Planet Nine

A new theory suggests gravity of smaller space debris could explain the strange orbits of Sedna and other trans-Neptunian objects. Here's why it failed to debunk the existence of Planet Nine.

Space June 7, 2018

Dwarf Planet Pluto Could Be A Giant Comet

Building on data from New Horizons and Rosetta mission on comet 67P, scientists presented ‘the giant comet cosmochemical model of Pluto formation.’ The team floated the idea that Pluto could actually be a giant comet after all.

Space May 24, 2018

Dwarf Planet Ceres Has Its Own Water Cycle

Data from NASA's Dawn spacecraft suggest that dwarf planet Ceres has a cycle of condensation and sublimation. Scientists said that this process was previously seen only on comets.

Space March 15, 2018

'Make Pluto A Planet Again,' 6-Year-Old Girl Tells NASA

A six-year-old girl from Ireland wrote to NASA, asking the space agency to 'make Pluto a planet again.' The little astronaut wannabe is now the most adorable member of the contingent pushing to give Pluto back its planetary status.

Space February 19, 2018

Egg-Shaped Dwarf Planet Haumea Discovered To Have A Ring, The Only One Of Its Kind

Astronomers have discovered the first-ever dwarf planet in the Solar System to be surrounded by a ring. But the question is, how did it even form one of its own?

Space October 12, 2017

DeeDee Could Be Our Solar System’s Newest Dwarf Planet: Find Out More About The Icy Orb

Astronomers first spotted the distant celestial object UZ224 in 2014. After years of observation, they reveal that 'DeeDee' meets all the new requirements to be considered a dwarf planet.

Space April 16, 2017

Solar System Could Have More Than 100 Planets

A group of scientists is proposing a new definition that would classify celestial objects as planets. If the new criteria get adopted, the Solar System could be home of more than 100 planets, which would include the Earth's moon.

Space March 19, 2017

Make Pluto A Planet Again: NASA's New Definition For Planets May Reinstate Pluto

A team of scientists at NASA published a new proposal that aims to change the way planetary scientists define and classify planets. If approved, it means Pluto may be deemed a planet again.

Space February 21, 2017

Building Blocks Of Life Discovered On Dwarf Planet Ceres

NASA's Dawn spacecraft detected carbon-containing materials on Ceres similar to what may have been the building blocks for life on Earth. The organic molecules also appear to be native to this dwarf planet.

Space February 17, 2017

Asteroid Dust Cloaks True Composition Of Dwarf Planet Ceres

Particles from asteroid impacts that occurred millions of years ago cloak the surface of Ceres. The particles may hide the dwarf planet's true makeup.

Space January 26, 2017

Is Planet Nine A Rogue Planet Caught By The Solar System?

A new study proposes that Planet Nine could previously be a 'rogue planet,' a free-moving body not bound to any host star, which eventually got snatched into the solar system through the sun’s gravitational pull.

Space January 13, 2017

Earth-Like Icy Ridges Found On Pluto: What We Know About This Bladed Terrain So Far

Those icy ridges found on the Tartarus Dorsa region of Pluto are similar to the so-called penitentes on Earth, making it possible for the same features to exist elsewhere in the solar system, a new study has found.

Space January 6, 2017

Dwarf Planet Ceres Is Full Of Water: Biggest Asteroid In Solar System Was An Ocean World

Water on dwarf planet Ceres is frozen as ice, but the biggest asteroid in the solar system was once an ocean world. Early in its history, Ceres had water that churned and flowed, helping separate it into layers of rocks and ice.

Space December 16, 2016

Dwarf Planet Pluto Could Be Home To Life But Not What You Expect

Pluto is the smallest planet in our solar system, and the coldest as well. With that being the truth, researchers are attempting to find out if life could be sustained on the planet, especially in its oceans under the ice.

Space December 5, 2016

Pluto Emits X-Ray: Scientists Baffled How Dwarf Planet Releases Radiation

Observations made through NASA's Chandra X-ray Observatory revealed Pluto emits X-rays. Why are astronomers puzzled by the radiation from the dwarf planet?

Space September 18, 2016

There's A Big Red Spot On Pluto's Moon Charon And Scientists Think They Know Why

The red spot at the north pole of Charon, the largest moon of Pluto, may have been produced by methane from the dwarf planet's atmosphere. How did this reddish region form?

Space September 15, 2016

Missing Craters On Dwarf Planet Ceres May Be Linked To Ice Volcanoes

During its 4.5 billion-year history, Ceres is not immune to violent asteroid collisions. A new study suggests a strange anomaly on the dwarf planet: researchers say Ceres is missing a few large impact craters.

Space July 26, 2016

NASA's Dawn Space Probe Maps 'Cold Traps' On Ceres

Permanently shadowed regions on dwarf planet Ceres may be frigid enough to hold debris of water ice, a new study suggests. NASA's Dawn mission has helped locate these "cold traps."

Space July 8, 2016

Does Pluto Hide A Subsurface Ocean? NASA's New Horizons Hint Liquid Ocean Is Beneath Dwarf Planet's Icy Crust

A present-day liquid ocean could be hiding beneath the icy crust of Pluto. The dwarf planet would have shrunk if its ocean has completely frozen millions of years ago.

Space June 22, 2016

Dwarf Planet Snow White Bigger Than Previously Believed

A new study found that the dwarf planet 2007 OR10, nicknamed 'Snow White,' is much bigger and darker than previously believed. This makes Snow White the third biggest dwarf planet in our solar system.

Space May 13, 2016

Makemake Is Not Alone: Hubble Detects Dark Moon Around The Dwarf Planet

The second brightest icy dwarf planet in the Kuiper belt is not alone. NASA's Hubble Space telescope has detected a small, dark moon around Makemake, revealing insight about dwarf planet systems.

Space April 27, 2016

NASA's Dawn Mission Captures Detailed Images Of Ceres' Mysterious Bright Spots

NASA scientists unveiled images showing a detailed look of the mysterious black spots on the surface of Ceres. The images gave scientists better understanding of the evolution of the dwarf planet.

Space March 23, 2016

New Horizons' Data Reveal Diverse Terrain Of Dwarf Planet Pluto

Pluto has a geographically diverse surface. Researchers said this is influenced by the dwarf planet's water ice and volatile ices.

Space March 20, 2016

Fly Over Dwarf Planet Ceres’ Crater-Speckled Surface In New Color Animation By NASA

NASA released a new color animation of dwarf planet Ceres. The high-resolution images from the Dawn mission were enhanced to give people a vivid experience as they fly over the crater-filled planet.

Space January 30, 2016

Mysterious Crater Features Shine In Newest Images Of Dwarf Planet Ceres

The newest images from the Dawn spacecraft orbiting the tiny world are revealing new insights into intriguing 'bright spots.' Photos were snapped at the closest distance yet, researchers say.

Space January 14, 2016

NASA Releases More Incredible Images Of Pluto Revealing Floating Icebergs And Its Icy Plains

NASA released new high-resolution images of Pluto that show what appears to be icebergs that float on the surface.

Space January 8, 2016

NASA's Dawn Spacecraft Hints Bright Spots On Dwarf Planet Ceres Likely Made Of Salt

Observations made by Dawn's Framing Camera suggest that the mysterious Ceres bright spots are primarily composed of hydrated magnesium sulfates. Also known as Epsom salt, this substance is used on Earth for treating a range of ailments.

Space December 10, 2015

The Most Distant Dwarf Planet In Our Solar System Is Three Times Farther Than Pluto

Astronomers spy an icy body that looks to be the most distant thing in the solar system. So now researchers will have to wait about a year to determine just how big of a deal this thing is.

Space November 12, 2015

Volcanoes May Be Erupting On Pluto, But These Volcanoes Are Spewing Ice

The New Horizons spacecraft sends back images of mountains on Pluto that may be ice volcanoes, NASA says. Circular mountains near the dwarf planet's south pole show crater-like central depressions, scientists say.

Space November 10, 2015

New Photos Of Pluto Snapped By New Horizons Suggest An 'Emerging Puzzle' (Video)

The New Horizons spacecraft approaching Pluto for a July rendezvous has snapped a 360-degree panorama of the dward planet. Scientists say the images show a much more complex surface than expected.

Space June 15, 2015

Evidence Of Possible Ice Cap Seen In Latest Photos Of Pluto Taken By Approaching Space Probe

As it prepares to fly by Pluto, NASA's New Horizons spacecraft has snapped the best photos of Pluto ever taken. The probe will reach its destination on July 14.

Space April 30, 2015

NASA Dawn Spacecraft Captures Stunning Photos Of Dwarf Planet Ceres

Tiny world orbiting in solar system's asteroid belt captured in dramatic new phographs from space probe Dawn. NASA predicts even better images in coming weeks as spacecraft moves into closer orbits around Ceres.

Geek April 19, 2015

Arizona City Dedicates Entire Year To Dwarf Planet Pluto

In 1930, astronomer Clyde Tombaugh discovered Pluto from an observatory in Flagstaff, Arizona. Though demoted to a dwarf planet in 2006, Pluto is now the star of a year-long celebration.

Internet Culture April 7, 2015

New Horizons Spacecraft Spies Tiny Pluto's Tinier Pair Of Moons. Hello Nix And Hydra

Astronomers get first good look at two of Pluto's five known moons, courtesy of images from the NASA spacecraft. The dwarf planet's moons Nix and Hydra are both less than 100 miles wide.

Space February 22, 2015

New, Better Images Of Dwarf Planet Ceres Taken By Dawn

New, sharper images of dwarf planet raise more questions than answers, astronomers say. Scientists eagerly await the arrival of the Dawn spacecraft at Ceres in March.

Space February 18, 2015

Dawn Spacecraft Captures Even Better Image of Ceres

Dwarf planet or asteroid? Call it what you will, the giant space rock is slowly revealing its secrets as a NASA spacecraft approaches for a rendezvous in March.

Space February 6, 2015

New Horizons Starts Snapping Photos of Diminutive Pluto

NASA spacecraft starts a photographic record of its approach to the dwarf planet at the edge of the solar system. New Horizons spacecraft will make its closest approach to Pluto in July.

Space January 25, 2015

New Horizons Spacecraft Nears Pluto After Nine-Year Journey

New Horizons is approaching Pluto, marking a historic moment in the exploration of space.

Space January 5, 2015

NASA Dawn Nearing Texas-Sized Planet Ceres: What Will It Find?

The Dawn spacecraft visited the asteroid Vesta, now it is closing in on the dwarf planet Ceres. What will it find when it gets there?

Space January 2, 2015

Swarm of Pluto-Sized Objects Swarm Young Star

Astronomers studying "adolescent" version of our own sun say it may be surrounded with Pluto-like dwarf planets. Observations provide insights into how solar systems form, from birth to maturity, researchers say.

Space December 12, 2014

NASA's Dawn Captures Images of Ceres, Inner Solar System's Resident Dwarf Planet

Ceres, the only dwarf planet in the inner solar system, has been imaged by the Dawn spacecraft as it speeds toward an encounter with the icy body.

Space December 8, 2014

Pluto-Bound NASA Spacecraft New Horizons Will Wake Up on December 6

The New Horizons spacecraft has been travelling toward Pluto since 2006. On Dec. 6, it will wake up from hibernation to prepare for its long-awaited encounter with the dwarf planet in January 2015.

Space December 2, 2014

Real Time Analytics