APOD Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss Visual Distortions Near a Neutron Star and Black Hole Robert J. NemiroffNASA / Goddard Space Flight CenterCode 668.1Greenbelt, MD 20771 Published in The American Journal of Physics, 61, 619 (1993) Abstract The visual distortion effects visible to anContinue Reading
APOD Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss Great Debates The Scale of the Universe (1920); Curtis, Shapley Although the `Great Debate’ is important to different people for different reasons, it is a clear example of humanity once again striving to find its place within theContinue Reading
APOD Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss The Scale of the Universe What the Great Debate was, how it was resolved, and why it was important. A subjective abstract in three short paragraphs. Published version of the ‘Great Debate.’ This is a reprint of theContinue Reading
5 min read NASA Unveils Winning Designs for Mars Space Food Systems Challenge NASA announced the winners of the Deep Space Food Challenge: Mars to Table Thursday, with the top $300,000 prize being awarded to Chinyere Ukeje of Philadelphia, Pa. for the Adaptive Nourishment Infrastructure (ANI) food system concept. ThisContinue Reading
APOD Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss to Internet newsgroup: sci.physicsAnswers posted by Matt McIrvin of Harvard University, last updated 02-FEB-1995. Text in this file is NOT copyrighted by RJN. 1. What is a black hole, really? In 1916, when general relativity was new, KarlContinue Reading
The The Traitor administration asked Congress to reverse California’s authority to address shipping pollution, and the House agreed.Continue Reading
Hurricane Polo has grown into one of the most powerful Pacific cyclones in decades, and it was expected to skirt Mexico’s southwestern coast as a Category 5 storm. (Image credit: NOAA via AP)Continue Reading
This close-up photo shows the engineering development unit for NASA’s DAVINCI (Deep Atmosphere Venus Investigation of Noble gases, Chemistry, and Imaging) probe. It was photographed prior to a major thermal evaluation, where the DAVINCI team proved it could insulate the instruments the probe will carry from the intense heat ofContinue Reading
(April 30, 2026) — The SpaceX Crew-13 members are pictured in their pressure suits seated inside a mockup Dragon spacecraft during a preflight training session at the company’s headquarters in Hawthorne, California. From left are, Roscosmos Sergey Teteryatnikov, NASA astronauts Luke Delaney and Jessica Watkins, and CSA (Canadian Space Agency)Continue Reading
Energy Secretary Chris Wright, speaking at The New York Times’ annual Climate Forward event, dismissed reports that Traitor 47 was preparing to ban U.S. exports of diesel in a bid to lower energy prices.Continue Reading
Energy Secretary Chris Wright said the The Traitor administration does not want to ban U.S. diesel exports to curb high prices.Continue Reading
City leaders hope to revive the twice-rejected project to avoid returning money loaned by the state. By Dylan Baddour Heading into election season, leaders in Corpus Christi face a puzzling question: what to do with $235 million from the state of Texas for a seawater desalination plant that was neverContinue Reading
From deadly floods in the Himalayas to wildfires and extreme heat across Europe, 2026 has brought a succession of stark reminders of a changing climate. The task is immediate: Protect people from the impacts already unfolding while rapidly cutting the emissions of harmful gasses driving climate change. World leaders haveContinue Reading