1<!DOCTYPE html> 2<html data-bs-theme="dark" lang="en"> 3 4<head> 5 <meta charset="utf-8"> 6 <meta name="viewport" content="width=device-width, initial-scale=1.0, shrink-to-fit=no"> 7 <title>APEX Test</title> 8 <link rel="stylesheet" href="../assets/bootstrap/css/bootstrap.min.css"> 9 <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Audiowide&display=swap"> 10 <link rel="stylesheet" href="../assets/css/bss-overrides.css"> 11 <link rel="stylesheet" href="../assets/css/./embed/animation/animate.min.css"> 12 <link rel="stylesheet" href="../assets/css/countdown.css"> 13 <link rel="stylesheet" href="../assets/css/Lightbox-Gallery-baguetteBox.min.css"> 14 <link rel="stylesheet" href="../assets/css/Navbar-Centered-Brand-Dark-icons.css"> 15</head> 16 17<body> 18 <div class="container-fluid text-start"> 19 <div class="row text-start" style="background: linear-gradient(var(--bs-secondary), var(--bs-secondary));"> 20 <div class="col-md-8 col-lg-8 col-xl-9 col-xxl-9 offset-xl-2 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class="container" style="font-family: Audiowide, serif;"> 65 <div class="row" style="font-family: Audiowide, serif;"> 66 <div class="col-md-12 ms-0 ps-0" style="font-family: Audiowide, serif;"> 67 <h1 class="text-center mt-5 pt-0 mb-0" style="font-family: Audiowide, serif;">OSIRIS-APEX</h1> 68 <h5 class="text-center mt-0 pt-3 mb-0 pb-3" style="font-family: Audiowide, serif;">Origins, Spectral Interpretation, Resource Identification and Security â Apophis Explorer</h5> 69 <hr> 70 </div> 71 </div> 72 </div> 73 <div class="container"> 74 <div class="row"> 75 <div class="col-md-12 col-lg-6 col-xl-6 col-xxl-6 ps-4 pe-4"> 76 <p class="text-start me-0 pe-0" style="font-size: 18px;"><br>OSIRIS-APEX, a follow-on to OSIRIS-REx, will study the physical changes to asteroid Apophis after the asteroidâs rare close encounter with Earth in 2029.</p> 77 <p class="text-start pe-0" style="font-size: 18px;">After making history as the first U.S. mission to bring a piece of an asteroid back to Earth, the OSIRIS-REx mission has transitioned to OSIRIS-APEX, short for OSIRIS-APophis EXplorer. Following sample delivery, the original mission team split in two. Half of the team remained on OSIRIS-REx to analyze the Bennu sample, while the others transitioned to the OSIRIS-APEX mission. </p> 78 <p class="text-start pe-0" style="font-size: 18px;">The spacecraft is now scheduled to rendezvous with a stony asteroid called Apophis, which is thought to be very different from the OSIRIS-REx target Bennu. Scientists hope to further enrich our understanding of the solar system and potentially hazardous asteroids.</p> 79 <p class="pe-0" style="font-size: 18px;">OSIRIS-APEX is a mission to study the physical changes to asteroid Apophis that will result from its rare close encounter with Earth in April 2029. That year, Apophisâ orbit will bring it within 20,000 miles (32,000 kilometers) of Earthâs surface â closer to Earth than our highest-altitude satellites. Our planetâs gravitational pull is expected to alter the asteroidâs orbit, change how fast it spins on its axis, and possibly cause quakes or landslides that will alter its surface. OSIRIS-APEX will allow scie
79ntists on Earth to observe these changes.</p> 80 <p class="pe-0" style="font-size: 18px;">Additionally, the OSIRIS-APEX spacecraft will dip toward the surface of Apophis Ââ a âstonyâ asteroid made of silicate (or rocky) material and a mixture of metallic nickel and iron  â and fire its engines to kick up loose rocks and dust. This maneuver will give scientists a peek at the composition of material just below the asteroidâs surface.</p> 81 </div> 82 <div class="col-md-12 col-lg-6 col-xl-6 col-xxl-6 ps-4 pe-4"><img class="img-fluid bg-secondary rounded-4 ms-0 ps-6 pe-6 mt-0 pt-3 mb-2 pb-3" width="996" height="862" src="../assets/img/osiris-apex-fig-leaf-configuration.png"> 83 <p class="small text-muted mb-0 pb-0">OSIRIS-APEX in its new configuration, viewed from the direction of the Sun. The solar array in the foreground is facing away from the Sun, so the back of the panel is visible. This shades the critical areas of the spacecraft. The solar array in the background is facing the Sun (although not directly) and is being used to generate power. </p> 84 <p class="small text-muted" style="font-style: italic;">NASA/Goddard/University of Arizona</p><img class="img-fluid border rounded-4 w-100 ms-0 ps-0 mt-2 pt-0 mb-2" width="1024" height="576" src="../assets/img/Shot29_ApophisDescent_Thumbnail_print.jpg"> 85 <p class="small text-muted mb-0 pb-0">OSIRIS-APEX, formerly OSIRIS-REx, will use its thrusters to stir up rocks and dust on the surface of Apophis to allow scientists to see just below. </p> 86 <p class="small text-muted" style="font-style: italic;">NASA's Goddard Space Flight Center Conceptual Image Lab</p> 87 </div> 88 </div> 89 </div> 90 <footer class="text-body bg-body" data-bs-theme="dark" style="background: var(--bs-secondary);border-style: none;border-color: var(--bs-secondary);"> 91 <div class="container-fluid ps-2 ps-sm-4 ps-md-6 ms-xl-0 ps-xl-5 ms-xxl-0 ps-xxl-6 pe-2 pe-sm-4 pe-md-6 pe-xl-5 pe-xxl-6 py-4 py-lg-5" style="background: linear-gradient(0deg, var(--bs-secondary), var(--bs-primary) 99%), var(--bs-primary);"> 92 <div class="row justify-content-center align-items-center ms-xxl-0 ps-xxl-0" style="border-radius: 0px;border-width: 0px;"> 93 <div class="col"> 94 <hr> 95 </div> 96 <div class="col-12 col-sm-12 col-md-12 col-lg-12 col-xl-12 col-xxl-12 offset-xxl-0 text-start text-lg-start d-flex flex-column ms-sm-0 ps-sm-0 ms-md-0 ps-md-0 me-0 pe-3 me-sm-0 pe-sm-0 me-xl-0 pe-xl-0 pe-xxl-0"> 97 <div class="row"> 98 <div class="col align-self-center"> 99 <h3 class="fs-6 text-body">The OSIRIS-APEX mission is supported by NASA under Contract NNM10AA11C issued through the New Frontiers Program.</h3> 100 </div> 101 <div class="col text-end"> 102 <ul class="list-unstyled"> 103 <li><a class="link-body-emphasis" href="https://osirisrex.arizona.edu/osiris-apex">Press Kit</a></li> 104 <li><a class="link-body-emphasis" href="https://science.nasa.gov/mission/osiris-apex/">NASA Site</a></li> 105 <li><a class="link-body-emphasis" href="../Privacy_Policy.html">Privacy Policy</a></li> 106 </ul> 107 </div> 108 </div> 109 <hr> 110 <div class="row"> 111 <div class="col align-self-start"> 112 <h3 class="fs-6 text-body"><br>Copyright 2026 © Arizona Board of Regents<br><br></h3> 113 </div> 114 </div> 115 </div> 116 </div> 117 </div> 118 </footer> 119
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