Which planet became the outermost planet again on March 15, 1999?

on Jun 3, 2025

By clicking submit, I authorize Arcamax and its affiliates to: (1) use, sell, and share my information for marketing purposes, including cross-context behavioral advertising, as described in our Privacy Policy , (2) add to information that I provide with other information like interests inferred from web page views, or data lawfully obtained from data brokers, such as past purchase or location data, or publicly available data, (3) contact me or enable others to contact me by email or other means with offers for different types of goods and services, and (4) retain my information while I am engaging with marketing messages that I receive and for a reasonable amount of time thereafter. I understand I can opt out at any time through an email that I receive, or by clicking here

Pluto
Neptune
Uranus
Saturn

Pluto. Since being declassified as a planet, Pluto's technical name is "134340".

ArcaMax

Register for your free account:

Knowledge

ArcaMax

Science Trivia

Which planet became the outermost planet again on March 15, 1999?

More Science Trivia

What do we call the dependable winds that rush toward the equator from the north and south?

Where on the moon did people first land a spacecraft?

Which of the following is magnetic?

How many tons of meteor dust fall to Earth every day?

Which of these animals is a cnidarian?

Which insect is the closest relative to the grasshopper?

Comments

Related Channels

EcoTips

By Danny Seo

The Word Guy

By Rob Kyff

Comics

Subscribe

Share