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Science Vs. Pseudoscience

Across
the point or place where something begins
a star that suddenly increases greatly in brightness because of a catastrophic explosion
a system of millions or billions of stars
collection of beliefs or practices mistakenly regarded as being based on scientific method.
the range of wavelengths or frequencies over which electromagnetic radiation extends.
the intrinsic brightness of a celestial object
natural agent that stimulates sight
all existing matter and space considered as a whole
Down
the brightest electromagnetic events known to occur in the universe.
particle representing a quantum of light
the strength and vitality required for sustained physical or mental activity
luminous point in the night sky
the action of copying or reproducing something
Study of the universe
Placed in orbit to collect data
the intellectual and practical activity encompassing the systematic study of the structure and behavior of the physical and natural world through observation and experiment