Blue Origin releases video from third launch and landing of New Shepard
Remember when Blue Origin made history by vertically landing a rocket after launching it into space? Remember when they reused that same rocket and then landed it again? Well, today Jeff Bezos’ rocket company, once again, launched that very same New Shepard rocket and successfully landed it for a third time.
At 11:28 AM EST, Bezos announced the successful landing of the New Shepard suborbital rocket as well as the crew capsule that it was carrying into space. While the rocket will eventually be used for crewed missions, there were no humans on this flight. Unlike previous launches where the public was mostly unaware of the event until after the fact, Bezos gave the world a heads up the night before the launch.
Astronomers spot a never-before-seen type of white dwarf star
For the first time ever, researchers have spotted a white dwarf surrounded by an atmosphere of mostly oxygen. A star of this kind, a super-dense dead star with an oxygen atmosphere, had never been seen before, though astronomers had speculated that one might exist. Such a unique finding could change how we think about the evolution of stars and what happens when these stellar objects die.
To find this unique zombie star, an international team of researchers looked through data from the Sloan Digital Sky Survey — a project that measures the colored lines of light coming off of objects throughout the universe. These lines, called spectral lines, can tell astronomers what types of elements make up a star’s atmosphere. Using this data, the researchers found that one particular white dwarf, with the eloquent name SDSS J124043.01+671034.68, didn’t have any hydrogen or helium in its atmosphere; its surrounding air was instead almost pure oxygen.
Satellites key to monitoring harmful emissions: space agencies
Satellite technology plays a crucial role in measuring greenhouse gas emissions globally, the heads of several space agencies agreed Sunday as they vowed to work together to develop a coordinated monitoring system. The pledge comes after a landmark climate accord in Paris last year at which world leaders agreed to cap global warming by “well below” two degrees Celsius above pre-Industrial levels.
Satellites will play a “major role” in ensuring that ambitious target is met by measuring harmful emissions that contribute to the planet’s warming, said Jean-Yves Le Gall, president of France’s National Space Studies Centre (CNES), at the meeting in the India capital.
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