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Does light lose energy as it crosses the universe? The answer involves time dilation.

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Summary
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79% Informative

An astrophysicist's wife asked: "Doesn't light get tired during such a long journey?" Her curiosity triggered a thought-provoking conversation about light.

Light travels 186,000 miles ( 300,000 kilometers ) per second , or almost 6 trillion miles per year ( 9.6 trillion kilometers ) Nothing traveling through space is faster than light.

Dr. Jarred Roberts is a high-energy astrophysics instrumentation developer contributing to experiments like Compton Spectrometer and Imager (COSI), Strobe -X and the Advanced Particle-astrophysics Telescope ( APT ). He has played key roles in electronics design, detector integration and software development for space and balloon-based missions. You must confirm your public display name before commenting Please logout and then login again, you will then be prompted to enter your display name..

VR Score

81

Informative language

81

Neutral language

11

Article tone

informal

Language

English

Language complexity

42

Offensive language

not offensive

Hate speech

not hateful

Attention-grabbing headline

not detected

Known propaganda techniques

not detected

Time-value

long-living

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