Question: I’ve been watching a very interesting series of television programmes in which Professor Brian Cox has been delving…
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AsteroidsBlack HolesCareers in AstronomyCelestial EventsCometsConstellationsCosmic DistancesCosmic Microwave BackgroundCosmologyExoplanetsGalaxiesGravity WavesHoaxesMoonPhysicsPlanetsRadio AstronomyScientific MethodSETISolar SystemSpace ProbesStarsSunTelescopesUnexplained Celestial Observations
Objects that Collide with Earth
Question: Hypothetical question: We hear about what would happen when the Earth is struck by comets and asteroids; the…
What Happens as the Moon Moves Away from the Earth?
Question(s): The Earth’s moon is moving away from Earth by a few centimeters a year. Will it break free…
Planets and Dwarf Planets
Question: Although Pluto has already been classified as a dwarf planet, I do know that there are still some…
Do Planets Grow when they Accrete High Energy Particles?
Question: The planets are receiving high energy bits of matter from the sun in the form of photons or…
“Pulsating Star” in the Sky
Question: Hi, I live in Baltimore, Md. and every morning around 4-5 o’clock I leave for work and I…