Question: In Hubble Space Telescope regular servicing missions and upgrades were done by spacewalks, then how it will be…
Select :
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
Can ALMA or the VLA Measure Oumuamua?
Question: On the topic of Oumuamua’s interstellar visit to our system’s inner planets’ orbits. Can ALMA resolve this asteroid,…
How do the Cryogenic Cooling Systems Work on the VLA Receiving Systems?
Question: Can you please explain in detail how the cryogenic system for telescope amplifier cooling works? I was recently…
Are There Measurements of the Affects of Global Climate Change on Radio Observatory Operation?
Question: Dear sirs, i am a journalist and write the article, how global climate change affects space-based observations. does…
Software Which Describes the Mathematical Underpinnings of Aperture Synthesis
Question: I’m interested in the topic of aperture synthesis. I was at the Jansky VLA a few years ago…
Geometric and Instrumental Delay in a Radio Interferometer
Question: For an east-west array, in u,v, w coordinate, w=0. Does it mean that for the east-west array, there…