Sciences
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NASA's Roman Space Telescope: The Mission to Map the Universe
Rather than staring at single objects, the Nancy Grace Roman Space Telescope is building a colossal, repeatedly observed map of the universe. It’s not hunting for one dramatic picture - it’s hunting for the universe's biggest answers.
Is Time Just an Illusion We Use to Measure Spatial Change?
"Thời gian chỉ là một khái niệm con người tự định nghĩa ra để ám chỉ sự thay đổi của không gian." (Time is merely a human-defined concept used to imply the change of space.) I r...
Why Sky is Blue? And the connection to Rayleigh Scattering
The sky color is blue If you were to ask a child to draw a picture of a sunny day, they would almost instinctively reach for a blue crayon to color the sky. It is a fact of life...