Solar System survey casts doubt on mysertious 'Planet Nine'

Nature
By Gabriel PopkinJun 21, 2017, 8:00 pm32 pts
Orbits of four newfound objects show no signs of gravitational pull from proposed giant planet. Nature News doi: 10.1038/nature.2017.22177

Read Article Share
Share Article
- email
- twitter
- facebook
- pocket
- reddit
- tumblr
- linkedin
- pinterest

Trending Today on EcoTopical

Our annual summer reading list, 2025 edition

EHN

Our annual summer reading list, 2025 edition 130

PHYSorg

Human well-being on a finite planet towards 2100: Study shows humanity at a crossroads 126

PHYSorg

Algae-based systems improve wastewater recycling for rural and regional communities 125

A million tiny cows

The Ecologist

A million tiny cows 119

Heybike’s new Galaxy series brings sleek design and serious power to the e-bike world

Electrek

Heybike’s new Galaxy series brings sleek design and serious power to the e-bike world 119

PHYSorg

New wildfire near Athens, Crete blaze 'retreating': firefighters 118

Seismic noise from oil companies threatens Amazon River Mouth marine life

Mongabay

Seismic noise from oil companies threatens Amazon River Mouth marine life 117

Shale’s Self-Inflicted Crisis: Wastewater Injection Is Sinking Profits

CleanTechnica

Shale’s Self-Inflicted Crisis: Wastewater Injection Is Sinking Profits 116

About EcoTopical

Welcome to EcoTopical Your daily eco-friendly green news aggregator.

Leaf through planet Earths environmental headlines in one convenient place. Read, share and discover the latest on ecology, science and green living from the web's most popular sites.

Featured

Mongabay India podcast ‘Wild…

Mongabay India podcast ‘Wild Frequencies’ wins audio reporting award

July 4th edition: first savings on…

July 4th edition: first savings on Aventon Pace 4 smart cruiser e-bike $1,699,…

Machine Learning, Savannah Risk &…

Machine Learning, Savannah Risk & Smarter Forest Cuts

Roam & Keep It Cool Partner To Launch…

Roam & Keep It Cool Partner To Launch Electric Cold Chain Delivery Network In…

Wheel-E Podcast: 65 MPH ONYX moped,…

Wheel-E Podcast: 65 MPH ONYX moped, lightweight Dahon e-bikes, more

Traditional hunting shifts with access…

Traditional hunting shifts with access to cheap guns in India’s Nagaland: Study

The Heat That Seared New York City’s…

The Heat That Seared New York City’s Primary Voters Is Just One Impact of…

Earth911 Inspiration: Not Too Small To…

Earth911 Inspiration: Not Too Small To Make a Difference

China’s nationwide ‘cash for…

China’s nationwide ‘cash for clunkers’ trade-ins causing huge e-bike boom

Some Early Responses to Big Bad Budget…

Some Early Responses to Big Bad Budget Bill