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startswithabang: Can we test dark energy using the Solar System?“This isn’t practically testable now or anytime soon, as our uncertainties from both observational and calculational limitations are at the hundredth of an arc-second per century precision,
theworldairforce: F-22_Raptor_Cloud by gary_lawrence on Flickr.
eyestothe-skies: C-130 Hercules
jets-break-the-soundbarrier: Rafale.
spacestarsandstuff: The beauty queen, Orion nebula.
looking-at-the-universe: Space monsters created by Chris Keegan
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