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APOD: Horsehead: A Wider View (2013 May 03) Composition and Processing: Robert Gendler Image Data: ESO, VISTA, HLA, Hubble Heritage Team (STScI/AURA) Explanation: Combined image data from the massive, ground-based VISTA telescope and the Hubble Space Telescope was used to create this wide perspective of the interstellar landscape surrounding the famous Horsehead Nebula. Captured at near-infrared wavelengths, the region's dusty molecular cloud sprawls across the scene that covers an angle about two-thirds the size of the Full Moon on the sky. Left to right the frame spans just over 10 light-years at the Horsehead's estimated distance of 1,600 light-years. Also known as Barnard 33, the still recognizable Horsehead Nebula stands at the upper right, the near-infrared glow of a dusty pillar topped with newborn stars. Below and left, the bright reflection nebula NGC 2023 is itself the illuminated environs of a hot young star. Dense clouds below the base of the Horsehead and on the outskirts of NGC 2023 show the tell-tale far red emission of energetic jets, known as Herbig-Haro objects, also associated with newborn stars. Starship Asterisk* • APOD Discussion Page Starship Asterisk* • On This Day in APOD



A physical sciences network characterization of non-tumorigenic and metastatic cells

Altmetric: 88<p>Citations: 63<p>More detail<p>Article |<p>Open<p>The Physical Sciences - Oncology Centers Network<p><i>Scientific Reports</i> <b>volume 3</b>, Article number: 1449 …

How 'jail-breaker' cancer cells escape - Futurity

PRINCETON (US) — Cancer cells that can break out of a tumor and invade other …

Cancer Cells

Milky Way over Crater Lake

Crater Lake in Oregon is famous for the clarity and blue color of its water. But it’s also a beautiful place to go stargazing.<p>Ben Coffman Photography …

Environment: News & features


iTunes Store at 10: how Apple built a digital media juggernaut

<i>Additional reporting by Greg Sandoval</i><p>Ten years ago this month, a music sector ravaged by Napster and largely ignorant of digital distribution found a savior of sorts in what was then called the iTunes Music Store. With its 99-cent unbundled songs, the service quickly became the only significant …

Scientists' hope for HIV cure

Researchers are working on "novel strategies" to find a cure for HIV, with the first results expected “within months”.<p>Danish scientists are hoping for results that will show that “finding a mass-distributable and affordable cure to HIV is possible”.<p>They are conducting a clinical trial to test a …