Mars moon blocks out mighty Jupiter in rare satellite view (video) | Russian cosmonaut who commanded space station struck pedestrian with car | Supernova 'alert system' could warn us of dying stars about to explode
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(ESA/DLR/FU Berlin – CC BY-SA 3.0 IGO, K.-D. Matz)
The Mars Express spacecraft has witnessed a rare spectacle, spotting Mars' moon Deimos appearing to pass in front of Jupiter and its moons on Valentine's Day (Feb. 14).
The Mars Express spacecraft has witnessed a rare spectacle, spotting Mars' moon Deimos appearing to pass in front of Jupiter and its moons. What is it called when one astronomical object passes in front of another from an observer's perspective?
(Gemini Observatory/NOIRLab/NSF/AURA/B. O'Connor (UMD/GWU) & J. Rastinejad & W. Fong (Northwestern University))
On Oct. 9, a beam of light more energetic than astronomers had ever seen zipped past our planet, temporarily blinding detectors on several NASA satellites.
Spawning below Earth's surface and carrying immense energy, earthquakes can strike without warning. It therefore comes as no surprise that they are one of our planet's deadliest natural disasters.
