Planet Nine might be a mirage. What once looked like evidence for a massive planet hiding at the solar system's edge may be an illusion, a new study suggests.
"We can't rule it out," says Kevin Napier, a physicist at the University of Michigan in Ann Arbor. "But there's not necessarily a reason to rule it in."
Previous work has suggested that a number of far-out objects in the solar system cluster in the sky as if they are being shepherded by an unseen giant planet, at least 10 times the mass of Earth. Astronomers dubbed the invisible world Planet Nine or Planet X.
In case you are keeping track:
It's True, This Weird Bubble Does Surround Our Entire Solar System | king5.com
Altus Power America is Completing First Solar + Energy Storage System
GREENWICH, Conn. , Feb. 24, 2021 /PRNewswire/ -- Altus Power America , Inc. (" Altus Power ") is in the process of completing a combined solar plus energy storage system in New Marlborough, MA. The project comprises a 2.9 MW solar system and a 2 MWh battery system.
Spacecraft and Instruments | NASA
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Parker Solar Probe Offers Stunning View of Venus | NASA
Space Valentines: From NASA With Love | NASA Solar System Exploration
Mars, as seen by the European Space Agency's Mars Express spacecraft in November 2020. The heart feature is a dark expanse of dunes located near Mars' south pole. Credit: ESA/DLR/FU Berlin
Meteor Showers occur at regular intervals as the Earth passes through trails of dusty debris left by comets. The brilliant Perseid meteor shower is captured in this image composite. Credit: Fred Bruenjes
Enhanced color global view of Pluto, taken when NASA's New Horizons spacecraft was 280,000 miles (450,000 kilometers) away. Also shown is an enhanced color view of Pluto's largest moon, Charon, from Pluto. Credit: NASA/JHUAPL/SwRI
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