Trying to understand the ancient climate of our own planet is
hard enough, but to understand Mars' climatic history, planetary
scientists have had to turn to a rather inventive method of climate
forensics.
NASA's Saturn-orbiting Cassini spacecraft has imaged
something peculiar on the outermost edge of the gas giant's A-ring.
A helium leak on the launch pad has forced SpaceX to cancel
their planned Falcon 9 rocket launch today, postponing the private
company's third International Space Station resupply mission until
another attempt on Friday.
A backup computer failure on the International Space Station
will not impact the SpaceX cargo resupply run planned for later today.
No enthusiastic skywatcher misses a total eclipse of the moon, and if weather permits tonight, neither should you.
What is a blood moon, why does it happen, and how can you see
it? Trace explains everything you need to know about this rare lunar
event.
New modeling of the Pluto-Charon system give good reasons to
suspect that the surface of Pluto will be riddled with faults caused in
part from a liquid ocean that once lie hidden under the icy surface.
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