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Can you have a shock wave in space? - BBC Science Focus …
Cosmic microwave background - Wikipedia
Spacetime diagram - Wikipedia
Monster X-class flare launches massive solar storm towards Earth …
Biggest solar flare since 2017 erupts from sun and Earth is ... - Space.com
Sun unleashes monster X7.1 flare that could supercharge ... - Space.com
The Electromagnetic Spectrum - HubbleSite
How Has NASA Recorded Sound If Sound Cannot Travel In Space…
Spectrum Overview - NASA