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NASA's Goddard Space Flight Center 13 Dec 2019, 12:30 UTC NGC 3175 is located around 50 million light-years away in the constellation of Antlia (the Air Pump). The galaxy can be seen slicing across the frame in this image from the NASA/ESA Hubble Space Telescope, with its mix of bright patches of glowing gas, dark lanes of dust, bright core, and whirling, pinwheeling arms coming together to paint a beautiful celestial scene.
Hubble Space Telescope News 12 Dec 2019, 18:00 UTC The NASA/ESA Hubble Space Telescope has once again captured comet 2I/Borisov streaking through our solar system on its way back into interstellar space. At a breathtaking speed of over 175 000 kilometres per hour, Borisov is one of the fastest comets ever seen. It is only the second interstellar object known to have passed through the Solar System.
NASA's Jet Propulsion Laboratory News and Features 12 Dec 2019, 08:10 UTC Sue Smrekar really wants to go back to Venus. In her office at NASA's Jet Propulsion Laboratory in Pasadena, California, the planetary scientist displays a 30-year-old image of Venus' surface taken by the Magellan spacecraft, a reminder of how much time has passed since an American mission orbited the planet. The image reveals a hellish landscape: a young surface with more volcanoes than any other body in the solar system, gigantic rifts, towering mountain belts and temperatures hot enough to melt lead.
NCCR PlanetS 11 Dec 2019, 09:34 UTC In a very formal and festive ceremony in Stockholm, the Swedish king Carl XVI Gustaf presented the Nobel prizes to this year’s esteemed laureates, among them Michel Mayor and Didier Queloz. Fanfare sounds accompanied his Majesty handing over the medals. As every year, the award ceremony took place on the anniversary of Alfred Nobel’s death, 10 December.
NASA's Jet Propulsion Laboratory News and Features 10 Dec 2019, 21:54 UTC NASA has big plans for returning astronauts to the Moon in 2024, a stepping stone on the path to sending humans to Mars. But where should the first people on the Red Planet land?
NASA's Goddard Space Flight Center 10 Dec 2019, 17:54 UTC On Friday, Oct. 11, the OSIRIS-REx team should have been preparing to point their spacecraft cameras precisely over the asteroid Bennu to capture high-resolution images of a region known as Osprey. It is one of four sites scientists are considering from which the spacecraft can safely collect a sample in late 2020.
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Forbes articles by Brian Koberlein 13 Dec 2019, 19:47 UTC Earth is a water-rich world, and (as far as we know) life depends upon water. A new survey of exoplanets finds they might be dryer than expected.
Starts With a Bang! 13 Dec 2019, 15:01 UTC On a macroscopic level, the Universe appears to be entirely classical. Gravity can be described by the curvature of space according to the rules of General Relativity; electromagnetic effects are perfectly well-described by Maxwell’s equations. Only on ultra-tiny scales do quantum effects begin to come into play, showing themselves in features like atomic transitions, absorption and emission lines, the polarization of light, and vacuum birefringence. And yet, if we extrapolate back to the earliest stages of the Universe, every relevant interaction that occurred was purely quantum in nature. Individual quantum particles and fields interacted on short scales and at enormous energies, leading to many observables today that have a quantum legacy imprinted on them. In particular, the largest galactic and supergalactic structures owe their origins to quantum physics, too. Here’s how.
Astronaut.com 13 Dec 2019, 13:18 UTC NASA said that its Origins Spectral Interpretation Resource Identification Security – Regolith Explorer, or OSIRIS-REx, spacecraft will gather samples from a crater on the asteroid Bennu dubbed Nightingale, located in the northern latitudes of the asteroid. That sampling attempt is currently scheduled for August 2020.
SciTech Daily 13 Dec 2019, 02:18 UTC When astronomers see something in the universe that at first glance seems like one-of-a-kind, it’s bound to stir up a lot of excitement and attention. Enter comet 2I/Borisov. This mysterious visitor from the depths of space is the first identified comet to arrive here from another star. We don’t know from where or when the comet started heading toward our Sun, but it won’t hang around for long. The Sun’s gravity is slightly deflecting its trajectory, but can’t capture it because of the shape of its orbit and high velocity of about 100,000 miles per hour.