Mercury and Venus – known as the ”inferior planets” because they are closer to the Sun than the Earth is – have always been regarded as difficult and even dangerous targets for amateur astronomers.Venus and Mercury, and How to Observe Them, Authors: Grego, Peter Recent advances in commercially-made instruments have, however, brought them within range …
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This astronomy travel guide examines the many wonderful opportunities for experiencing the observing hobby. Amateur astronomy is often consigned to observing from home or from a local park, yet it can be much more.Astronomy Adventures and Vacations, author: Timothy Treadwell Tim Treadwell explores all the possibilities of astronomical and space-related activities that are available on …
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Att teckna det du ser i ett teleskop är i särklass det smartaste sättet att träna upp dina ögon på att se mer och mer detalj! Det mänskliga ögat är inte van att titta i ett teleskop. Desto sämre om objektet dessutom är mycket ljussvagt så att du knappast kan se någonting överhuvudtaget. Men det …
SAAF Fokus 1: Att Observera Genom Att Teckna Läs mer »
Radio astronomy is a mystery to the majority of amateur astronomers, yet it is the best subject to turn to when desirous of an expanded knowledge of the sky. This guide intends to instruct complete newcomers to radio astronomy, and provides help for the first steps on the road towards the study of this fascinating …
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En beskrivning av de många fördelar som finns med att stjärnskåda med kikare.Binocular Astronomy – Författare: Stephen Tonkin Binoculars have, for many, long been regarded as an ”entry level” observational tool, and relatively few have used them as a serious observing instrument. This is changing! Many people appreciate the relative comfort of two-eyed observing, but …
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Se ljusåret ur astrofotografens perspektiv. Stanna till vid våra fyra årstider och upptäck vad som gör var och en av dem alldeles speciell. Ljusår – ett år av ljus Följ med på en resa till solen, månen, Vintergatan, de nattlysande molnen och de mäktigaste av norrsken. Varför är hösten en favoritårstid, varför får det mer …
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Describes how people can take ”Hubble class” deep-sky images from the back gardenMaking Beautiful Deep-sky Images Second edition, author: Parker, Greg In this updated version of his classic on deep-sky imaging, astrophotographer Greg Parker describes how the latest technology can help amateur astronomers process their own beautiful images. Whether you are taking your own images …
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Are we alone in the Universe? Was there anything before the Big Bang? Are there other universes? What makes stars shine? Where does Earth’s water come from? Why is the night sky dark? Was there ever life on Mars? How do telescopes work?A question and answer guide to astronomy, Authors: Carol Christian, Space Telescope Science …
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Genomgång av en teoretiskt rimlig tidslinje för bygganden av beboliga strukturer på månen.Building Habitats on the Moon – Författare: Haym Benaroya Designing a habitat for the lunar surface? You will need to know more than structural engineering. There are the effects of meteoroids, radiation, and low gravity. Then there are the psychological and psychosocial aspects …
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Mercury is one of the more difficult objects for amateur astronomers to observe because of its close proximity to the Sun. For the same reason, it is also one of the most fascinating and strange planets. Mercury is not much larger that our Moon, but orbits the Sun at an average distance of only 58 …
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Utgiven: 2017Video astronomy on the go Author Joseph Ashley explains video astronomy’s many benefits in this comprehensive reference guide for amateurs. Video astronomy offers a wonderful way to see objects in far greater detail than is possible through an eyepiece, and the ability to use the modern, entry-level video camera to image deep space objects …
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When you look up at the sky at night and see the stars, do you understand what youre looking at? What is starlight made up of, and how does it travel to us? How are stars born, and how do they die? How do we figure out how far away are the stars and how …
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Explores the history and cutting-edge research behind an incredible astrophysical discovery. Interspersed with explanatory tutorials. Features illustrative figures to help readers visualize key concepts The birth of a completely new branch of observational astronomy is a rare and exciting occurrence. For a long time, our theories about gravitational waves—proposed by Albert Einstein and others more than a …
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The uniquely beautiful light display of an aurora is the result of charged particles colliding with tenuous atmospheric oxygen and nitrogen, more than 60 miles above the Earth, when the magnetosphere is disturbed by changes in the solar wind.Aurora – Observing and Recording Nature’s Spectacular Light Show, Authors: Bone, Neil Often – and incorrectly – …
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Denna kompakta stjärnkarta är ett utmärkt hjälpmedel för den som vill lära sig stjärnhimlen. Genom att ställa in tid och datum, så visar planisfären de stjärnbilder, som för närvarande är synliga, samt intressanta objekt för mindre teleskop/kikare. Denna modell av stjärnkartan är främst tänkt för latituder mellan 30 och 50 grader Nord, t.ex. södra Europa, …
Orion Star Target planisfär Läs mer »
