Commentsandrebru (25)in space • 6 years agoRE: Exciting times in solar system explorationThank you!andrebru (25)in space • 6 years agoRE: Exciting times in solar system explorationFinal attempts to contact the Opportunity rover this week were unsuccessful. Nasa has declared the Opportunity mission as complete. The rover was operational for 15(!) years. RIP Opportunityandrebru (25)in darkmatter • 6 years agoRE: Is dark matter real?Thanks for clarifying the properties of dark matter, @mpc755! Why is dark matter displaced by ordinary matter? Do we have any observations that confirm this property? Observations of different…
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RE: Exciting times in solar system exploration
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