Life beyond Earth In northern California, these satellite dishes listen for a message from aliens. They’re part of the Allen Telescope Array. Seth Shostak Life, are you in there? Astrobiologists, or biologists who study life in space, want to know if the oceans under Europa’s icy surface might be hiding microbes. ISS HD Earth Viewing Experiment on USTREAM: ***QUICK NOTES ABOUT HDEV VIDEO*** Black Image = International Space Station (ISS) is on the night side of the ... Black Image = International Space Station (ISS) is on the night side of the Earth. No Audio = Normal. There is no audio by design. What is this thing called science? As a scientist, Evelyn Fox Keller hated experiments. Today a professor emerita in the History of Science at MIT, she started out her scientific career in theoretical physics before jumping to molecular biology. What got her was the trivial volatility inherent in experimentation. “Someone could brush by the thermostat on the water bath, and a months’ work would be down the drain. You didn’t have control over it.”
Anne’s Astronomy News November 30, 2012 SNR 0509-67.5, a supernova remnant in the LMC Image Credit: X-ray: NASA/CXC/SAO/J.Hughes et al, Optical: NASA/ESA/Hubble Heritage Team (STScI/AURA) SNR 0509-67.5 (SNR 0509 for short) is the remnant of a supernova explosion in the Large Magellanic Cloud, located some 160,000 light-years away in the constellation of Dorado. It is about 23 light-years across and expanding at more than 5,000 kilometers a second, or more than 18 million kilometers an hour. This bubble is the visible remnant of a Type 1a supernova that occurred about 400 years ago in Earth’s time frame (what means that the light from the explosion reached us about 400 years ago), which was unusually bright and energetic.
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11 Com b - Visual Exoplanet Catalogue The planetary system 11 Com hosts at least one planet. Image Click on the image to get a higher resolution image. Architecture of the system This list shows all planetary and stellar components in the system. Astronomie - MESSENGER arrive aux abords de Mercure - AstroSurf Envoyé 03-01-2008 19:42 j'ai relevé ces precisions sur le site, où il s'avère que c'est bien pour diminuer la vitesse de la sonde afin qu'elle soit capturée par Mercure...Mais ça ne répond pas tout à fait à la question : pourquoi peut-on envoyer directement une sonde en orbite de Mars et pas de Mercure ? Rôle joué par le Soleil, faible masse de Mercure ?? "5.
Physical Review X Does Research on Foundations of Quantum Mechanics Fit into PRX’s Scope? October 24, 2014 The editors and Bill Poirier from Texas Tech University spotlight an original, thought-provoking paper by Hall, Deckert, and Wiseman on foundations of quantum mechanics, Phys. Galleries - NASA Solar System Exploration National Aeronautics andSpace Administration Solar System Exploration beta Galleries ShareEmailPrint Featured Image Galleries Biotite - Rock-Forming Minerals Biotite is a very common and widespread mineral group. The minerals of the group occur often in metamorphic and igneous rocks. It is much less common in sediments and sedimentary rocks because it yields to clay minerals in the weathering environment.
Discover an exoplanet : the transit method Unveil an extrasolar planet by observing the light intensity emitted by its mother star An extrasolar planet, or exoplanet, is a planet outside the Solar System. Until March 2012, astronomers have made detections of 762 exoplanets (see for a complete and detailed catalog). The vast majority of them has been observed through radial velocity and transit observations but other indirect methods also exist : astrometry, microlensing and timing among them. At present, direct imaging is still difficult, even if lots of progress is being made. Anyway, most of the discoveries are about giant planets, thought to resemble to giant Jupiters, orbiting near to their stars, where they are more easy to detect.