12/10/2021 |
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NEWS & FEATURES |
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 NASA Will Lunar Vertex solve the mystery of lunar swirls? Scattered across the Moon are strange, light-colored swirls. Scientists can’t yet explain them — but an upcoming lunar mission may shed some light. SPONSORED BY: TRAVEL QUEST  In September 2022, TravelQuest will embark upon a unique, 10-day Iceland: Fire, Ice & Aurora adventure through the seldom-visited Great North region. Experience the aurora borealis, just steps from your picturesque countryside accommodations! Add to that whale watching, lava fields, waterfalls and more - The trip of a lifetime awaits you! |
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 NASA/Roscosmos Space law hasn’t been changed since 1967 The UN aims to update laws and keep space peaceful.  |
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 NASA/Goddard/University of Arizona/Lockheed Martin Near-Earth asteroids could supply future meteor showers Most meteor showers are associated with comets, but asteroid-driven showers might be more common than previously thought. |
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 Brett Addison after ESO/L. Calçada Exoplanets with topsy-turvy orbits found around inconspicuous star Astronomers have discovered a system in which the planets' orbits are nearly perpendicular to each other.  Astronomy: Roen Kelly Ask Astro: If time stops for an object falling into a black hole, how can LIGO see black holes colliding? I’ve always understood that, according to general relativity, a distant observer of someone who falls into a black hole would see them slow down, then come to a virtual stop at the event horizon and become “smeared.” So how is it that LIGO can record two black holes combining in milliseconds? |
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OBSERVING |
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 Jeff Houpt Your daily digest of celestial events coming soon to a sky near you. |
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PICTURE OF THE DAY |
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 Douglas J. Struble from Taylor, Michigan Second guessing Sharpless 2-71 is an unusual planetary nebula in the constellation Aquila the Eagle. Astronomers assumed that Sh 2-71 formed when the star visible at the center of the nebula expelled its outer layers. They now think that a dimmer star not visible in this image was the one that created the expanding cloud. |
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