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<rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Astrophysics | smithsonianmag.com</title><link>https://www.smithsonianmag.com/rss/tag/astrophysics/</link><description>RSS feed for Astrophysics</description><atom:link href="https://www.smithsonianmag.com/rss/tag/astrophysics/" rel="self"/><language>en</language><lastBuildDate>Fri, 24 Jul 2026 17:14:09 +0000</lastBuildDate><item><title>Is This Giant Celestial Body a Moon, a Planet or Something in Between? The Strange Object Calls Astronomical Labels Into Question</title><link>https://www.smithsonianmag.com/smart-news/is-this-giant-celestial-body-a-moon-a-planet-or-something-in-between-the-strange-object-calls-astrononomical-labels-into-question-180989183/</link><description>The newly found object, estimated to be roughly as massive as Jupiter, orbits a brown dwarf—a "failed star"—which in turn circles a small star. For now, researchers are calling the puzzling body an "exosatellite"</description><pubDate>Fri, 24 Jul 2026 17:14:09 +0000</pubDate><guid>https://www.smithsonianmag.com/smart-news/is-this-giant-celestial-body-a-moon-a-planet-or-something-in-between-the-strange-object-calls-astrononomical-labels-into-question-180989183/</guid><enclosure length="94103" type="image/jpeg" url="https://th-thumbnailer.cdn-si-edu.com/FA7PTNThjRSEawLilz8f94QLMZQ=/420x240/filters:focal(640x384:641x385)/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer_public/fa/9b/fa9b4b1c-b645-4c49-89ff-2292e66f4e6d/eso2610a.jpg"/></item><item><title>A SpaceX Rocket Part Is Expected to Smack Into the Moon in August, Highlighting the Growing Problem of Space Junk</title><link>https://www.smithsonianmag.com/smart-news/A-spacex-rocket-part-is-expected-to-smack-into-the-moon-in-august-highlighting-the-growing-problem-of-space-junk-180989173/</link><description>The unintended event also creates an opportunity for scientists and skywatchers to witness lunar impact dynamics in real time, although the debris will hit a sunlit portion of the moon from the perspective of Earth, making it hard to see</description><pubDate>Wed, 22 Jul 2026 19:44:04 +0000</pubDate><guid>https://www.smithsonianmag.com/smart-news/A-spacex-rocket-part-is-expected-to-smack-into-the-moon-in-august-highlighting-the-growing-problem-of-space-junk-180989173/</guid><enclosure length="1200414" type="image/png" url="https://th-thumbnailer.cdn-si-edu.com/iKxGlR3CaaPbVJkuBeUnnTHttUo=/420x240/filters:focal(750x500:751x501)/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer_public/21/5e/215e21b7-08e1-4800-8e7f-ccbccba79384/smithsonian_feature_images_9.png"/></item><item><title>Could Life Exist on This Nearby World? In a First, Astronomers Find an Atmosphere on an Earth-Like Exoplanet in the Habitable Zone</title><link>https://www.smithsonianmag.com/smart-news/could-life-exist-on-this-nearby-world-in-a-first-astronomers-find-an-atmosphere-on-an-earth-like-exoplanet-in-the-habitable-zone-180989149/</link><description>While the celestial body seems to host three features that could make a livable environment—an atmosphere, a rocky composition and a temperature that could allow liquid water to sit on the surface—researchers have not currently detected any residents</description><pubDate>Tue, 21 Jul 2026 16:23:23 +0000</pubDate><guid>https://www.smithsonianmag.com/smart-news/could-life-exist-on-this-nearby-world-in-a-first-astronomers-find-an-atmosphere-on-an-earth-like-exoplanet-in-the-habitable-zone-180989149/</guid><enclosure length="289612" type="image/webp" url="https://th-thumbnailer.cdn-si-edu.com/MCpxdsuPDfhSTnXy3pMG2cENJIQ=/420x240/filters:focal(960x549:961x550)/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer_public/77/12/7712e181-ca4c-44f8-96f4-c88b7893f3cf/cfa-055-helium_planet3h_lrg_0jpg.webp"/></item><item><title>In a First, Astronomers Find Sugar in the Space Between Stars, Providing New Clues About the Origins of Life on Earth</title><link>https://www.smithsonianmag.com/smart-news/in-a-first-astronomers-find-sugar-in-the-space-between-stars-providing-new-clues-about-the-origins-of-life-on-earth-180989122/</link><description>Sugars are crucial components of RNA and DNA, the basis of all known organisms alive today. In a new study, the sugar erythrulose was detected in a gas- and dust-filled cloud near the center of our Milky Way galaxy</description><pubDate>Wed, 15 Jul 2026 14:00:00 +0000</pubDate><guid>https://www.smithsonianmag.com/smart-news/in-a-first-astronomers-find-sugar-in-the-space-between-stars-providing-new-clues-about-the-origins-of-life-on-earth-180989122/</guid><enclosure length="253948" type="image/webp" url="https://th-thumbnailer.cdn-si-edu.com/QoLt5GlCXHQfhioQMn04X4Fma30=/420x240/filters:focal(521x367:522x368)/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer_public/93/9f/939f2207-d63e-4c4a-84de-dd7e9f60f96a/ssc2006-02a_0.webp"/></item><item><title>This Giant Planet May Have Survived the Death of Its Star. The James Webb Space Telescope Just Found Its Atmosphere</title><link>https://www.smithsonianmag.com/smart-news/this-giant-planet-survived-the-death-of-its-star-the-james-webb-space-telescope-just-found-its-atmosphere-180989077/</link><description>New observations of WD 1856 b, a gas giant closely orbiting a white dwarf, offer a preview of what could happen to Jupiter and Saturn after the sun dies in about five billion years.</description><pubDate>Tue, 07 Jul 2026 19:09:34 +0000</pubDate><guid>https://www.smithsonianmag.com/smart-news/this-giant-planet-survived-the-death-of-its-star-the-james-webb-space-telescope-just-found-its-atmosphere-180989077/</guid><enclosure length="3446147" type="image/jpeg" url="https://th-thumbnailer.cdn-si-edu.com/z_V2yVv16vLjWXpwhWdlNG5nb_4=/420x240/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer_public/2d/c6/2dc66728-c6a9-481f-9ac2-582ed1f62ca5/stsci-01kv8smvyfk67j7rprw1hb0sks.jpg"/></item><item><title>'The Greatest Cosmic Movie Ever Made': The World's Largest Digital Camera Begins a Historic, Decade-Long Survey of the Night Sky</title><link>https://www.smithsonianmag.com/smart-news/the-greatest-cosmic-movie-ever-made-the-worlds-largest-digital-camera-begins-a-historic-decade-long-survey-of-the-night-sky-180989059/</link><description>After a year of testing, the Vera C. Rubin Observatory in Chile has started capturing data as part of the much-anticipated Legacy Survey of Space and Time</description><pubDate>Wed, 01 Jul 2026 21:21:11 +0000</pubDate><guid>https://www.smithsonianmag.com/smart-news/the-greatest-cosmic-movie-ever-made-the-worlds-largest-digital-camera-begins-a-historic-decade-long-survey-of-the-night-sky-180989059/</guid><enclosure length="386774" type="image/webp" url="https://th-thumbnailer.cdn-si-edu.com/Z-vd8MSSjwvHOdK6nzjQOckO3LY=/420x240/filters:focal(640x341:641x342)/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer_public/85/d0/85d0e1d0-9ad4-41c2-8f9b-aa7b89b0a532/noirlab2616a.webp"/></item><item><title>See the Most Detailed Photo of the Milky Way's Heart Ever Taken in Visible Light, Which Will Help Astronomers Hunt for Exoplanets</title><link>https://www.smithsonianmag.com/smart-news/see-the-most-detailed-photo-of-the-milky-ways-heart-ever-taken-in-visible-light-which-will-help-astronomers-hunt-for-exoplanets-180989027/</link><description>The European Space Agency’s Euclid telescope was built to study dark matter and dark energy, but for one day last year, it captured the densely packed stars brightening the center of our galaxy</description><pubDate>Fri, 26 Jun 2026 21:09:42 +0000</pubDate><guid>https://www.smithsonianmag.com/smart-news/see-the-most-detailed-photo-of-the-milky-ways-heart-ever-taken-in-visible-light-which-will-help-astronomers-hunt-for-exoplanets-180989027/</guid><enclosure length="424789" type="image/jpeg" url="https://th-thumbnailer.cdn-si-edu.com/tixollDPuB0l_ygpMg8dH_yGuh0=/420x240/filters:focal(480x480:481x481)/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer_public/e3/7f/e37f3b4d-0ac2-4157-a2ac-068b22a39ef3/euclid_s_view_of_our_galaxy_s_bulge_article.jpg"/></item><item><title>Interstellar Comet 3I/ATLAS Might Be the Oldest Object Ever Seen in Our Solar System, a Study Suggests</title><link>https://www.smithsonianmag.com/smart-news/interstellar-comet-3i-atlas-might-be-the-oldest-object-ever-seen-in-our-solar-system-a-study-suggests-180989007/</link><description>Based on the composition of gases spewed by the icy space rock, researchers estimate that our guest might be up to 12 billion years old—about three times the age of the solar system</description><pubDate>Wed, 24 Jun 2026 19:55:27 +0000</pubDate><guid>https://www.smithsonianmag.com/smart-news/interstellar-comet-3i-atlas-might-be-the-oldest-object-ever-seen-in-our-solar-system-a-study-suggests-180989007/</guid><enclosure length="179407" type="image/jpeg" url="https://th-thumbnailer.cdn-si-edu.com/aJkI-oMVaYUlwz3RvdaGeLEzkCo=/420x240/filters:focal(480x402:481x403)/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer_public/20/8f/208fea67-ccdd-411c-a19d-87fa7c84293c/3i-atlas_noirlab2532b.jpg"/></item><item><title>The World's First Nuclear Clocks Are Ticking, Opening a New Way to Investigate Dark Matter and Other Mysteries of Physics</title><link>https://www.smithsonianmag.com/smart-news/the-worlds-first-nuclear-clocks-are-ticking-opening-a-new-way-to-investigate-dark-matter-and-other-mysteries-of-physics-180989002/</link><description>Two independent teams of scientists have created the first functional clocks that can keep ultraprecise time using the nuclei of a radioactive element</description><pubDate>Wed, 24 Jun 2026 16:37:19 +0000</pubDate><guid>https://www.smithsonianmag.com/smart-news/the-worlds-first-nuclear-clocks-are-ticking-opening-a-new-way-to-investigate-dark-matter-and-other-mysteries-of-physics-180989002/</guid><enclosure length="88676" type="image/webp" url="https://th-thumbnailer.cdn-si-edu.com/1zrJu0rFyXWnZ0cY2U6xTWXDiP8=/420x240/filters:focal(800x537:801x538)/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer_public/4a/d7/4ad7f8f2-bd8f-4df4-98da-36ae91b17e5e/csm_thorium_kristall_671113b11f.webp"/></item><item><title>This Week, NASA Will Launch a First-of-Its-Kind Mission to Save a Space Telescope That Has Observed the Sky for Nearly 22 Years</title><link>https://www.smithsonianmag.com/smithsonianmag/this-week-nasa-will-launch-a-first-of-its-kind-mission-to-save-a-space-telescope-that-has-observed-the-sky-for-nearly-22-years-180988998/</link><description>In 2024, researchers realized that the Neil Gehrels Swift Observatory was falling from its orbit faster than expected. Now, a robotic spacecraft called LINK aims to give the satellite a boost</description><pubDate>Tue, 23 Jun 2026 18:21:57 +0000</pubDate><guid>https://www.smithsonianmag.com/smithsonianmag/this-week-nasa-will-launch-a-first-of-its-kind-mission-to-save-a-space-telescope-that-has-observed-the-sky-for-nearly-22-years-180988998/</guid><enclosure length="787708" type="image/jpeg" url="https://th-thumbnailer.cdn-si-edu.com/PgdIddEVWwjGz36zue_hEUauuhw=/420x240/filters:focal(960x549:961x550)/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer_public/10/4e/104e6a77-b931-4071-aee6-84803a2a78d2/swift_spacecraft_update_still-1603854877.jpg"/></item><item><title>Astronomers Discovered a 'Cosmic Fossil' in the Making—the Most Chemically Primitive Galaxy Seen Yet—by Peering Back to the Edge of Time</title><link>https://www.smithsonianmag.com/smart-news/astronomers-discovered-a-cosmic-fossil-in-the-making-the-most-chemically-primitive-galaxy-seen-yet-by-peering-back-to-the-edge-of-time-180988954/</link><description>The James Webb Space Telescope observed 13-billion-year-old light, using a closer galactic cluster like a magnifying glass. The work helps experts understand the universe’s earliest stars and mysterious ultra-faint dwarf galaxies</description><pubDate>Thu, 18 Jun 2026 16:41:08 +0000</pubDate><guid>https://www.smithsonianmag.com/smart-news/astronomers-discovered-a-cosmic-fossil-in-the-making-the-most-chemically-primitive-galaxy-seen-yet-by-peering-back-to-the-edge-of-time-180988954/</guid><enclosure length="139472" type="image/jpeg" url="https://th-thumbnailer.cdn-si-edu.com/gsq1TUIB1y8azkCC-xKxtBJL1CE=/420x240/filters:focal(715x715:716x716)/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer_public/90/58/90583f97-bcfb-48a8-8b46-294cecff2819/zu1.jpeg"/></item><item><title>See a Stunning View of the Southern Lights Dancing Across the Earth Captured by a NASA Astronaut</title><link>https://www.smithsonianmag.com/smart-news/see-a-stunning-view-of-the-southern-lights-dancing-across-the-earth-captured-by-a-nasa-astronaut-180988960/</link><description>Jessica Meir, commander of NASA's SpaceX Crew-12 mission, shared photos and videos of a green aurora she shot while sheltering in a capsule outside the International Space Station</description><pubDate>Tue, 16 Jun 2026 16:04:53 +0000</pubDate><guid>https://www.smithsonianmag.com/smart-news/see-a-stunning-view-of-the-southern-lights-dancing-across-the-earth-captured-by-a-nasa-astronaut-180988960/</guid><enclosure length="197815" type="image/jpeg" url="https://th-thumbnailer.cdn-si-edu.com/LT-WlnJwvozqevMXdhQkeCN6NZQ=/420x240/filters:focal(960x640:961x641)/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer_public/ff/31/ff31bc78-bb76-426d-81dc-5a0755f7435d/aurora-pic.jpg"/></item><item><title>The Supermassive Black Hole at the Heart of Our Galaxy Seems to Be Blowing Wind—Just as Scientists Long Theorized</title><link>https://www.smithsonianmag.com/smart-news/the-supermassive-black-hole-at-the-heart-of-our-galaxy-seems-to-be-blowing-wind-just-as-scientists-long-theorized-180988908/</link><description>Scientists have been searching for evidence of this breeze since the 1970s. They've seen intense wind from other black holes, but they've struggled to observe the one at the Milky Way's center</description><pubDate>Fri, 05 Jun 2026 19:34:01 +0000</pubDate><guid>https://www.smithsonianmag.com/smart-news/the-supermassive-black-hole-at-the-heart-of-our-galaxy-seems-to-be-blowing-wind-just-as-scientists-long-theorized-180988908/</guid><enclosure length="153050" type="image/jpeg" url="https://th-thumbnailer.cdn-si-edu.com/FyFiESbwq_o7G9k7FlWGXEkQUME=/420x240/filters:focal(485x328:486x329)/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer_public/f9/0c/f90caf9d-9b8b-4433-ba69-402d35b3fbc5/supermassive-black-hole1940__fitmaxwzk3mcw2ntbd.jpg"/></item><item><title>NASA Officially Ends the MAVEN Mission Months After Losing Contact With the Mars Orbiter</title><link>https://www.smithsonianmag.com/smart-news/nasa-officially-ends-the-maven-mission-months-after-losing-contact-with-the-mars-orbiter-180988897/</link><description>The agency last heard from the spacecraft on December 6. Recovered fragmentary data suggest that MAVEN was spinning unexpectedly, hinting at a change in its trajectory and draining its batteries</description><pubDate>Thu, 04 Jun 2026 18:51:26 +0000</pubDate><guid>https://www.smithsonianmag.com/smart-news/nasa-officially-ends-the-maven-mission-months-after-losing-contact-with-the-mars-orbiter-180988897/</guid><enclosure length="432188" type="image/webp" url="https://th-thumbnailer.cdn-si-edu.com/YCsdrwvcY8-T2FIzYDjC2L6ewOM=/420x240/filters:focal(1500x914:1501x915)/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer_public/8c/9e/8c9ed597-d9d9-4cb8-bec7-a3be7da35ca5/c-original.webp"/></item><item><title>A Bright Meteor Lit Up the New England Sky Before Exploding With a Loud Boom—and Its Pieces May Have Landed in Cape Cod Bay</title><link>https://www.smithsonianmag.com/smart-news/a-bright-meteor-lit-up-the-new-england-sky-before-exploding-with-a-loud-boom-and-its-pieces-may-have-landed-in-cape-cod-bay-180988869/</link><description>People reported seeing the glowing space rock or hearing or feeling its breakup from Delaware to Montreal. Experts estimate that it was about three feet wide and traveling at 75,000 miles per hour when it broke apart</description><pubDate>Mon, 01 Jun 2026 18:44:20 +0000</pubDate><guid>https://www.smithsonianmag.com/smart-news/a-bright-meteor-lit-up-the-new-england-sky-before-exploding-with-a-loud-boom-and-its-pieces-may-have-landed-in-cape-cod-bay-180988869/</guid><enclosure length="5773910" type="image/png" url="https://th-thumbnailer.cdn-si-edu.com/IONItUjYTZFueImlaljSuJ8HMNk=/420x240/filters:focal(1116x956:1117x957)/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer_public/70/f7/70f74604-022a-4e74-a09f-c0f1e906bba3/screenshot_2026-06-01_at_115835.png"/></item></channel></rss>