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19FortyFive: A place where experts analyze defense, national security, foreign policy, and politics. We welcome all viewpoints and ideas.
- 440articles · 30d
- 3+ hour agolatest article
- Aug 14, 2026earliest in window
- 97%with images
- 140avg words
- TRN 234
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News
8 Years from Now, NASA Will Send a Nuclear-Powered Helicopter Into Titan's Atmosphere Where It Rains Methane
3+ week, 7+ hour ago (860+ words) NASA’s Dragonfly mission will send a nuclear-powered rotorcraft to Titan, Saturn’s largest moon, where methane evaporates, methane clouds form, rain falls, rivers cut channels and liquids collect in lakes and seas. It is the only moon in the solar system…...
20 Years Ago Today, 424 Astronomers Voted Pluto Off the Planet List. The Argument Has Never Ended.
2+ week, 6+ day ago (618+ words) Why Pluto stopped being a planet 20 years ago today — the 424-vote controversy, the definition's flaws, New Horizons' discoveries, and why it isn't settled....
99 Years Later, Einstein's Letter About Quantum Mechanics Is Still the Most Famous Argument in Physics
2+ week, 6+ day ago (901+ words) The letter says der Alte, the Old One, not God — and it went to the very friend who’d win the Nobel for the idea it attacked. The full Einstein biography behind the five polished words, from the patent desk to…...
Voyager 2 Reached Uranus in January 1986 and Neptune in August 1989. Four Decades Later it Remains Humanity's Only Close Look at Either Planet
2+ week, 4+ hour ago (1488+ words) In 1977, NASA launched two spacecraft during an ultra-rare window of celestial mechanics that humanity would not experience again for roughly 175 years. The window occurred when Jupiter, Saturn, Uranus, and Neptune entered an unusually favorable configuration, allowing a single spacecraft trajectory…...
Standing on the Surface of Venus Would Feel Like Standing 3,000 Feet Underwater on Earth, and It Is 870°F
3+ week, 1+ day ago (735+ words) The surface of Venus sits at about 870°F under a sea-level atmospheric pressure roughly 92 times that of Earth. Standing there would be comparable to standing 3,000 feet underwater. The atmosphere is approximately 96 percent carbon dioxide, producing a greenhouse effect so extreme…...