How big is Pluto? New Horizons settles decades-long debate

Tuesday, July 14, 2015 - 09:30 in Astronomy & Space

NASA's New Horizons mission has answered one of the most basic questions about Pluto -- its size. Mission scientists have found Pluto to be 1,473 miles (2,370 kilometers) in diameter, somewhat larger than many prior estimates. Images acquired with the Long Range Reconnaissance Imager (LORRI) were used to make this determination. This result confirms what was already suspected: Pluto is larger than all other known solar system objects beyond the orbit of Neptune.

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It's showtime for Pluto; prepare to be amazed by NASA flyby
from Physorg
Sun, 12 Jul 2015, 20:40:04 UTC
Mission to Pluto: Live coverage
from Sciencenews.org
Sun, 12 Jul 2015, 17:50:11 UTC
It's Showtime for Pluto; Prepare to Be Amazed by NASA Flyby
from NY Times Science
Sun, 12 Jul 2015, 17:10:06 UTC
Spotted face of distant Pluto coming into focus
from Reuters:Science
Sun, 12 Jul 2015, 15:50:04 UTC
The History of Pluto: From Its Discovery to New Horizons Flyby
from Space.com
Sun, 12 Jul 2015, 13:30:08 UTC
New Horizons' Final Look at Pluto's Odd Dark Spots (Photo)
from Space.com
Sun, 12 Jul 2015, 7:30:08 UTC
NASA craft discovers heart shape on Pluto as flyby nears
from Physorg
Sun, 12 Jul 2015, 6:50:15 UTC
New Horizons image shows Pluto's far side
from CBSNews - Science
Sun, 12 Jul 2015, 2:00:04 UTC
Scientists get their last look at Pluto's mysterious dark spots
from LA Times - Science
Sun, 12 Jul 2015, 1:30:08 UTC
Pluto's Spots Turn Into Splotches in Probe's New View
from MSNBC: Science
Sat, 11 Jul 2015, 23:30:12 UTC
Say goodbye to Pluto's 'spots'
from BBC News: Science & Nature
Sat, 11 Jul 2015, 23:00:19 UTC
Photograph from NASA probe shows new details of Pluto surface
from UPI
Sat, 11 Jul 2015, 21:00:07 UTC
Pluto: A timeline of 85 years of discovery
from Sciencenews.org
Sat, 11 Jul 2015, 18:40:03 UTC
Pluto's Complex Surface Coming into Focus (Photo)
from Space.com
Sat, 11 Jul 2015, 18:00:03 UTC
VIDEO: Why is Pluto not a planet?
from BBC News: Science & Nature
Sat, 11 Jul 2015, 17:00:11 UTC
New Image of Pluto: 'Houston, We Have Geology'
from Physorg
Sat, 11 Jul 2015, 14:50:03 UTC
"Chasing Pluto": NASA probe traveled 3 billion miles in 9 years
from CBSNews - Science
Sat, 11 Jul 2015, 14:20:05 UTC
"Chasing Pluto": NASA probe travelled 3 billion miles in 9 years
from CBSNews - Science
Sat, 11 Jul 2015, 13:00:04 UTC
Ice Lab Plays It Cool for Pluto Flyby
from Space.com
Sat, 11 Jul 2015, 11:40:09 UTC
Pluto Flyby: How NASA Space Probes Will Track Epic Encounter
from Space.com
Sat, 11 Jul 2015, 11:40:07 UTC
New Pluto pictures show surface geology
from CBSNews - Science
Sat, 11 Jul 2015, 3:30:04 UTC
New Horizons: Latest Pluto image offers glimpses of geology
from LA Times - Science
Sat, 11 Jul 2015, 1:30:07 UTC
Pluto surface sharpens in new image
from BBC News: Science & Nature
Sat, 11 Jul 2015, 0:00:12 UTC
Scientists 'drooling' as space probe approaches Pluto
from CBC: Technology & Science
Fri, 10 Jul 2015, 21:00:21 UTC
New Horizon's probe on track for closest approach to Pluto
from CBC: Technology & Science
Fri, 10 Jul 2015, 20:30:27 UTC
INFOGRAPHIC: New Horizons' path to Pluto
from LA Times - Science
Fri, 10 Jul 2015, 19:00:45 UTC
Pluto 'Totally Different' from Big Moon Charon, New Photos Show
from Space.com
Fri, 10 Jul 2015, 19:00:39 UTC
This Week's Night Sky: Pluto Presents an Observing Challenge
from National Geographic
Fri, 10 Jul 2015, 19:00:23 UTC
Pluto Spacecraft Sends Photos As Excitement Builds for Flyby
from National Geographic
Fri, 10 Jul 2015, 19:00:20 UTC
Pluto is almost here: What we've seen so far, and what's coming next
from Science NOW
Fri, 10 Jul 2015, 17:10:07 UTC
NASA Missions Have Their Eyes Peeled on Pluto
from NASA Jet Propulsion Laboratory
Fri, 10 Jul 2015, 16:20:05 UTC
Distant Pluto finally gets its day in the sun
from Reuters:Science
Fri, 10 Jul 2015, 15:20:04 UTC
Pluto sweats, and 5 other things you didn't know about the dwarf planet
from Physorg
Fri, 10 Jul 2015, 15:10:06 UTC
New Horizons' close encounter with Pluto will reveal its icy secrets
from Physorg
Fri, 10 Jul 2015, 11:40:16 UTC
NASA missions have their eyes peeled on Pluto
from Physorg
Fri, 10 Jul 2015, 11:10:15 UTC
New Horizons probe races toward historic Pluto flyby
from CBSNews - Science
Fri, 10 Jul 2015, 10:10:22 UTC
First look at Pluto: Live coverage of the historic flyby
from News @ Nature
Fri, 10 Jul 2015, 7:40:10 UTC
Latest Views Hint at More Mysteries on Pluto and Charon
from MSNBC: Science
Fri, 10 Jul 2015, 0:00:19 UTC
Closing in, New Horizons snaps best pix yet of Pluto
from CBSNews - Science
Thu, 9 Jul 2015, 23:30:20 UTC
Spacecraft nears Pluto in historic mission
from CBSNews - Science
Thu, 9 Jul 2015, 23:30:20 UTC
Excitement builds for Pluto's big close-up
from CBSNews - Science
Thu, 9 Jul 2015, 23:30:19 UTC
New Horizons' Pluto Flyby: Latest News, Images and Video
from Space.com
Thu, 9 Jul 2015, 21:30:07 UTC
Pluto comes into focus as New Horizons nears the dwarf planet
from Physics World
Thu, 9 Jul 2015, 17:30:51 UTC
Undiscovered Country - How Many More Pluto's Are There? | Video
from Space.com
Thu, 9 Jul 2015, 16:00:23 UTC
Pluto, the last planetary first
from Science NOW
Thu, 9 Jul 2015, 15:50:17 UTC
New Horizons map of Pluto: The whale and the donut
from Science Daily
Thu, 9 Jul 2015, 15:00:16 UTC
A 'heart' from Pluto as flyby begins
from Science Daily
Thu, 9 Jul 2015, 14:30:14 UTC
Pluto's 'heart' revealed as New Horizons probe starts flyby campaign
from Physorg
Thu, 9 Jul 2015, 12:30:23 UTC
'The Wait' Is Nearly Over: New Video Highlights July 14 Pluto Flyby
from Space.com
Thu, 9 Jul 2015, 12:00:23 UTC
Pluto Flyby Begins: NASA Probe Enters Encounter Phase
from Space.com
Thu, 9 Jul 2015, 12:00:21 UTC
Pluto snapped from 8 million km
from BBC News: Science & Nature
Thu, 9 Jul 2015, 9:00:11 UTC
Lifting the Veil on Pluto's Atmosphere
from Space.com
Wed, 8 Jul 2015, 22:00:25 UTC
'Mission Pluto' Documentary to Premiere Next Week (Exclusive Video)
from Space.com
Wed, 8 Jul 2015, 22:00:20 UTC
Find the Heart and the Whale in This Picture of Pluto
from MSNBC: Science
Wed, 8 Jul 2015, 20:00:14 UTC
Pluto's 'Heart' Spied by New Horizons Spacecraft (Photo)
from Space.com
Wed, 8 Jul 2015, 18:30:11 UTC
What to expect from the Pluto fly-by
from News @ Nature
Wed, 8 Jul 2015, 16:30:18 UTC
Pluto caps one scientist's 50-year exploration of the solar system
from Science NOW
Wed, 8 Jul 2015, 16:20:04 UTC
How to Find Pluto in the Night Sky: July 8
from Space.com
Wed, 8 Jul 2015, 15:30:08 UTC
Nat Geo's 'Mission Pluto' Documentary - First 5 Minutes | Video
from Space.com
Wed, 8 Jul 2015, 15:00:06 UTC
With one year to Jupiter, NASA's Juno team prepares
from Physorg
Wed, 8 Jul 2015, 12:00:14 UTC
Heliophysicist waits nearly 10 years for Pluto flyby
from Physorg
Wed, 8 Jul 2015, 12:00:13 UTC
NASA mission chases Pluto's shadow to catch details of its atmosphere
from Physorg
Wed, 8 Jul 2015, 11:00:28 UTC
Pluto map shows 'whale' of a feature
from BBC News: Science & Nature
Wed, 8 Jul 2015, 9:10:09 UTC
Q&A: Catching Pluto’s shadow
from MIT Research
Wed, 8 Jul 2015, 4:30:22 UTC
Pluto Mission Team Cheers Official Start of Encounter
from MSNBC: Science
Tue, 7 Jul 2015, 23:00:05 UTC
From Sputnik to Spock: Crowdsourced Names for Pluto Map Submitted
from Space.com
Tue, 7 Jul 2015, 22:00:14 UTC
'Not Yet Explored' No More: New Horizons Flying Stamp to Pluto
from Space.com
Tue, 7 Jul 2015, 20:30:11 UTC
Pluto is only a ‘day’ away
from Sciencenews.org
Tue, 7 Jul 2015, 18:50:23 UTC
With One Year to Jupiter, NASA's Juno Team Prepares
from NASA Jet Propulsion Laboratory
Tue, 7 Jul 2015, 18:50:22 UTC
Mount Spock? Pluto Name List Will Please Sci-Fi Fans
from MSNBC: Science
Tue, 7 Jul 2015, 18:00:04 UTC
Pluto fly-by: a graphical guide to the historic mission
from News @ Nature
Tue, 7 Jul 2015, 17:20:15 UTC
Plutopalooza! Marketing Promo | NASA Video
from Space.com
Tue, 7 Jul 2015, 14:30:19 UTC
NASA Mission Puts Pluto's First Family in the Spotlight
from MSNBC: Science
Tue, 7 Jul 2015, 13:30:09 UTC
NASA uncovers cause of Pluto spacecraft's scary computer crash
from CBC: Technology & Science
Tue, 7 Jul 2015, 13:30:03 UTC
'Direct From Pluto': Science Channel to Air New Horizons' Flyby Images
from Space.com
Tue, 7 Jul 2015, 12:10:04 UTC
New Horizons gets back on track to Pluto after speed bump
from LA Times - Science
Tue, 7 Jul 2015, 0:20:22 UTC
All Systems Go for NASA Probe's Final Approach to Pluto
from MSNBC: Science
Mon, 6 Jul 2015, 23:50:25 UTC
Spacecraft closing in on Pluto hits speed bump, but recovers
from Physorg
Mon, 6 Jul 2015, 23:20:09 UTC
Pluto probe working "flawlessly" after brief scare
from CBSNews - Science
Mon, 6 Jul 2015, 23:00:02 UTC
Pluto's Odd Dark Spots Continue to Puzzle Scientists (Photos)
from Space.com
Mon, 6 Jul 2015, 22:40:02 UTC
Spacecraft Closing In on Pluto Hits Speed Bump, but Recovers
from NY Times Science
Mon, 6 Jul 2015, 22:30:13 UTC
Out There: Reaching Pluto, and the End of an Era of Planetary Exploration
from NY Times Science
Mon, 6 Jul 2015, 22:30:09 UTC
Pluto probe 'on course' for flyby
from BBC News: Science & Nature
Mon, 6 Jul 2015, 22:20:07 UTC
New Horizons recovers from overload, is on track for Pluto flyby
from Sciencenews.org
Mon, 6 Jul 2015, 22:10:04 UTC
Pluto Science Lost Due To New Horizons' Anomaly, NASA Reveals | Video
from Live Science
Mon, 6 Jul 2015, 21:20:07 UTC
Pluto Science Lost Due To New Horizons' Anomaly, NASA Reveals | Video
from Space.com
Mon, 6 Jul 2015, 21:10:10 UTC
Historic flyby of Pluto on track despite probe glitch, NASA says
from Reuters:Science
Mon, 6 Jul 2015, 18:00:05 UTC
New Horizons mission Plans Return to Normal Science Ops
from Science Blog
Mon, 6 Jul 2015, 15:50:06 UTC
NASA mission brings Pluto into sharp focus – but it's still not a planet
from Physorg
Mon, 6 Jul 2015, 12:50:23 UTC
New Horizons Glitch Won't Affect Pluto Flyby, NASA Says
from Space.com
Mon, 6 Jul 2015, 6:00:14 UTC
New Horizons to resume normal operations
from CBSNews - Science
Mon, 6 Jul 2015, 3:00:13 UTC
Scientists readying for flurry of data as New Horizons nears Pluto
from Physorg
Sun, 5 Jul 2015, 20:30:15 UTC
New Horizons spacecraft experiences anomaly
from Physorg
Sun, 5 Jul 2015, 20:30:13 UTC
NASA scientists working to revive space probe on approach to Pluto
from CBC: Technology & Science
Sun, 5 Jul 2015, 14:00:10 UTC
New Horizons space probe suffers glitch on approach to Pluto
from Reuters:Science
Sun, 5 Jul 2015, 14:00:02 UTC
Pluto spacecraft temporarily loses contact with Earth
from News @ Nature
Sun, 5 Jul 2015, 11:20:06 UTC
Pluto Probe Suffers Glitch 10 Days Before Epic Flyby
from Space.com
Sun, 5 Jul 2015, 9:00:08 UTC
NASA Works to Revive Pluto-Bound Probe After Glitch
from MSNBC: Science
Sun, 5 Jul 2015, 5:30:04 UTC
NASA studies glitch aboard Pluto-bound New Horizons
from CBSNews - Science
Sun, 5 Jul 2015, 4:20:10 UTC
New Horizons Probe's July 14 Pluto Flyby: Complete Coverage
from Space.com
Fri, 3 Jul 2015, 19:30:13 UTC
Quebec navigator Frédéric Pelletier guides Pluto probe
from CBC: Technology & Science
Fri, 3 Jul 2015, 17:30:10 UTC
New Horizons color images reveal two distinct faces of Pluto
from Physorg
Fri, 3 Jul 2015, 10:30:22 UTC
New Horizons spacecraft sees strange black spots on Pluto's equator
from LA Times - Science
Fri, 3 Jul 2015, 1:30:04 UTC
On Pluto's Doorstep: Latest Photos by Approaching New Horizons Probe
from Space.com
Thu, 2 Jul 2015, 22:00:14 UTC
Spacecraft's close Pluto encounter may solve surface spots, methane mysteries
from CBC: Technology & Science
Thu, 2 Jul 2015, 19:30:15 UTC
Domo Arigato, Mr. Pluto: Rock Band Styx Visits New Horizons Team
from Space.com
Thu, 2 Jul 2015, 19:00:37 UTC
Spacecraft's close Pluto encounter may solve mysteries
from CBC: Technology & Science
Thu, 2 Jul 2015, 18:30:31 UTC
Pluto may have spots the size of Missouri
from Sciencenews.org
Thu, 2 Jul 2015, 16:31:30 UTC
Pluto Has Strange 'Finger Print-Like' Marks In New Color Imagery | Video
from Space.com
Thu, 2 Jul 2015, 15:30:45 UTC
Pluto shows its spots to Nasa probe
from BBC News: Science & Nature
Thu, 2 Jul 2015, 14:30:32 UTC
New Horizons Spots Methane Ice on Pluto
from Space.com
Thu, 2 Jul 2015, 14:00:43 UTC
Pluto Probe's Hazard Search Turns Up No New Moons
from Space.com
Thu, 2 Jul 2015, 12:01:25 UTC
New Horizons spacecraft stays the course to Pluto
from Physorg
Thu, 2 Jul 2015, 11:30:22 UTC
Watch Pluto's Black Spots and Charon's Dark Pole Grow
from MSNBC: Science
Thu, 2 Jul 2015, 1:30:07 UTC
New Horizons gets "all clear" for Pluto flyby
from CBSNews - Science
Thu, 2 Jul 2015, 1:00:08 UTC
How to Find Pluto in the Night Sky: July 1
from Space.com
Wed, 1 Jul 2015, 20:00:20 UTC
Watch Pluto's Dark Patch and Charon's Dark Pole Grow
from MSNBC: Science
Wed, 1 Jul 2015, 19:30:08 UTC
Methane On The Ice Dwarf Pluto, Plus Dancing With Charon | Time-Lapse Video
from Space.com
Wed, 1 Jul 2015, 16:00:19 UTC
Probe refines Pluto flyby path
from BBC News: Science & Nature
Wed, 1 Jul 2015, 13:00:12 UTC
Epic Pluto Flyby Occurs This Month
from Space.com
Wed, 1 Jul 2015, 12:00:16 UTC
Pluto and Charon Come Into Focus as New Horizons Nears
from MSNBC: Science
Tue, 30 Jun 2015, 23:00:09 UTC
New Horizons two weeks from historic Pluto flyby
from CBSNews - Science
Tue, 30 Jun 2015, 22:50:05 UTC
Pluto and Charon Starting to Come into Focus (Photo)
from Space.com
Tue, 30 Jun 2015, 22:30:14 UTC

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