NASA to test its SLS megarocket in the coming weeks
The ongoing pandemic has slowed testing for NASA’s Space Launch System megarocket, but the process is resuming and has checked off a key milestone: powering up the core stage.
The 1st intentional radio message to space was sent via Arecibo
Iconic Arecibo telescope is now slated for decommissioning. But its multi-faceted legacy will live on. In 1974, for example, Arecibo sent earthlings’ first intentional message to the cosmos.
Does Jupiterâs moon Europa have geysers? If so, whatâs their source?
If watery plumes do burst from Europa’s surface, they might originate not in the moon’s underground ocean, but instead in pockets of brine trapped in the moon’s crust. If that’s so, it could be a source of frustration for those who want to probe Europa’s ocean for possible life.
Does Europa glow in the dark?
The icy surface of Jupiterâs moon Europa may glow on its nightside, the side facing away from the sun.
Does Europa glow in the dark?
The icy surface of Jupiterâs moon Europa may glow on its nightside, the side facing away from the sun.
Plutoâs landscape more like Earthâs than previously thought
New analysis of data gathered from New Horizons’ 2015 flyby of Pluto shows evidence of Earth-like snow-capped mountains and the potential for glaciers made of methane ice.
Bellatrix is Orionâs 3rd-brightest star
The bluish-white shoulder star, Bellatrix, aka Gamma Orionis, has a name that means “female warrior.” Bellatrix is one of the hottest stars you can see without optical aid.
Novemberâs young moon and Decemberâs Jupiter-Saturn conjunction
As darkness falls on November 18-21, 2020, use the moon to locate Jupiter and Saturn. Their conjunction will be December 21. Watch into December as these 2 giant worlds draw close!
What is the moonâs terminator line?
The moonâs terminator is the dividing line between day and night on the moon. As we see it from Earth, it marks the line of lunar sunsets or sunrises. Earth and other worlds in our solar system have terminator lines, too.
Hubble sees the brightest kilonova yet
Observations by the Hubble Space Telescope reveal intense infrared radiation from an unusual kilonova probably created by the collision of neutron stars.
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