Question: On Nov 7th around 7PM in Tucson, we observed a very unusual sight in the sky, one that…
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asteroid collisionasteroidsastronomical distance scalesatomsbig bangblack holesbright lights in the skybrown dwarfcareerscelestial eventschecker cabscometsconstellationscosmic distancescosmic microwave backgroundcosmic rayscosmologydark energydark matterdwarf planeteartheclipseeclipticeducationexoplanetsexpansion of the universegalaxiesgeneral relativitygravitational lensgravity wavesGreat Red SpotHoaxesHubble Space Telescope (HST)Interferometerinterferometryinterstellar moleculesionosphereJupitermagnetarsmarsmeteorsMH370milky wayMilky Way Galaxymoleculesmoonmoonsneutron starneutron starsNibirunight skyparallaxphysicsplanetsplutoproperties of lightPtolemypulsarsquasarsradar astronomyRadio Astronomyradio frequency interferenceradio interferometersradio recombination line emissionRadio TelescopeSatellite DishSchwarzschild Radiusscientific methodsearch for extraterrestrial intelligenceSETIsolar systemspace probesspacecraftstar formationstarssunsupernovasupernova remnantssupernovaetelescopestime dilationTrans Neptunian Objectstwin paradoxunexplained celestial observationsVenusVery Large ArrayVery Long Baseline Array (VLBA)Voyager 1weather
What was that Bright Light in the Sky?
Question: On September 6, in Glendale AZ, at 20:45 hrs, my husband and I thought we saw a satellite…
What Caused the Bright Crater I Now See on the Moon?
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What is that Bright Object in the Western Sky After Sunset?
Question: What bright light is in nepa’s sw sky at 30degrees above the horizion at 9:15 edt. — Tom…
Are UFO’s Real?
Question: What is your opion of UFO’s observed from ground surface and those observed from space stations and shuttle…
Identifying Strange Sounds Received by a Radio
Question: I received a radio wave with my homemade antenna that it sounds like a motorbike, like a Harley…