Exoplanet anniversary: 1st alien worlds confirmed 25 years ago today

oldbrew's avatarTallbloke's Talkshop

Still from pulsar animation.  [Image credit: NASA] Still from pulsar animation. [Image credit: NASA]
The exoplanet revolution began 25 years ago today. On Jan. 9, 1992, astronomers Alex Wolszczan and Dale Frail published a paper in the journal Nature announcing the discovery of two planets circling an incredibly dense, rapidly rotating stellar corpse known as a pulsar.

It was a landmark find: while several alien-world “candidates” had recently been spotted, Wolszczan and Frail provided the first confirmation that planets exist beyond our own solar system, reports Mike Wall.

“From the very start, the existence of such a system carried with it a prediction that planets around other stars must be common, and that they may exist in a wide variety of architectures, which would be impossible to anticipate on the basis of our knowledge of the solar system alone,” Wolszczan, who’s based at Pennsylvania State University, wrote in a note about the pulsar planets for the…

View original post 314 more words

Leave a Reply

This site uses Akismet to reduce spam. Learn how your comment data is processed.

Coordination Problem

Celebrating humanity's flourishing through the spread of capitalism and the rule of law

Libertarian Land

Celebrating humanity's flourishing through the spread of capitalism and the rule of law

Arin’s Substack

Celebrating humanity's flourishing through the spread of capitalism and the rule of law

David Andolfatto

Celebrating humanity's flourishing through the spread of capitalism and the rule of law

Monetary Non-Neutrality

Celebrating humanity's flourishing through the spread of capitalism and the rule of law

Reason Magazine

Celebrating humanity's flourishing through the spread of capitalism and the rule of law

Coyote Blog

Celebrating humanity's flourishing through the spread of capitalism and the rule of law

Thoughts from the North

Celebrating humanity's flourishing through the spread of capitalism and the rule of law

Fardels Bear

A History of the Alt-Right

Vincent Geloso

Econ Prof at George Mason University, Economic Historian, Québécois

Bassett, Brash & Hide

Celebrating humanity's flourishing through the spread of capitalism and the rule of law

Truth on the Market

Scholarly commentary on law, economics, and more

The Undercover Historian

Beatrice Cherrier's blog

Matua Kahurangi

Celebrating humanity's flourishing through the spread of capitalism and the rule of law

Temple of Sociology

Celebrating humanity's flourishing through the spread of capitalism and the rule of law

Velvet Glove, Iron Fist

Celebrating humanity's flourishing through the spread of capitalism and the rule of law

Why Evolution Is True

Why Evolution is True is a blog written by Jerry Coyne, centered on evolution and biology but also dealing with diverse topics like politics, culture, and cats.

NoTricksZone

Celebrating humanity's flourishing through the spread of capitalism and the rule of law

Homepaddock

A rural perspective with a blue tint by Ele Ludemann

Kiwiblog

DPF's Kiwiblog - Fomenting Happy Mischief since 2003

The Dangerous Economist

Celebrating humanity's flourishing through the spread of capitalism and the rule of law

Watts Up With That?

The world's most viewed site on global warming and climate change

The Logical Place

Tim Harding's writings on rationality, informal logic and skepticism

Doc's Books

A window into Doc Freiberger's library

The Risk-Monger

Let's examine hard decisions!

Uneasy Money

Commentary on monetary policy in the spirit of R. G. Hawtrey

Barrie Saunders

Thoughts on public policy and the media

Liberty Scott

Celebrating humanity's flourishing through the spread of capitalism and the rule of law

Point of Order

Politics and the economy

James Bowden's Blog

A blog (primarily) on Canadian and Commonwealth political history and institutions

Science Matters

Reading between the lines, and underneath the hype.

Peter Winsley

Economics, and such stuff as dreams are made on

A Venerable Puzzle

"The British constitution has always been puzzling, and always will be." --Queen Elizabeth II

The Antiplanner

Celebrating humanity's flourishing through the spread of capitalism and the rule of law

Bet On It

Celebrating humanity's flourishing through the spread of capitalism and the rule of law

History of Sorts

WORLD WAR II, MUSIC, HISTORY, HOLOCAUST

Roger Pielke Jr.

Undisciplined scholar, recovering academic

Offsetting Behaviour

Celebrating humanity's flourishing through the spread of capitalism and the rule of law

JONATHAN TURLEY

Res ipsa loquitur - The thing itself speaks

Conversable Economist

In Hume’s spirit, I will attempt to serve as an ambassador from my world of economics, and help in “finding topics of conversation fit for the entertainment of rational creatures.”

The Victorian Commons

Researching the House of Commons, 1832-1868

The History of Parliament

Articles and research from the History of Parliament Trust

Books & Boots

Reflections on books and art

Legal History Miscellany

Posts on the History of Law, Crime, and Justice

Sex, Drugs and Economics

Celebrating humanity's flourishing through the spread of capitalism and the rule of law

European Royal History

Exploring the Monarchs of Europe