Mars’ water was mineral-rich and salty

New study finds surface waters on early Mars may have been habitable for microbial life Tokyo Institute of Technology Presently, Earth is the only known location where life exists in the Universe. This year the Nobel Prize in physics was awarded to three astronomers who proved, almost 20 years ago, that planets are common around…

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NASA’s TESS mission uncovers its first world with two stars

NASA/Goddard Space Flight Center In 2019, when Wolf Cukier finished his junior year at Scarsdale High School in New York, he joined NASA’s Goddard Space Flight Center in Greenbelt, Maryland, as a summer intern. His job was to examine variations in star brightness captured by NASA’s Transiting Exoplanet Survey Satellite (TESS) and uploaded to the…

TESS Finds First Earth-Size Planet in the Habitable Zone

From NASA Jan. 7, 2020 In a galaxy 100 light-years away in the constellation Dorado sits a planetary system named TOI 700. It is home to TOI 700 d, the first Earth-size habitable-zone planet discovered by TESS, NASA’s Transiting Exoplanet Survey Satellite. Image Credit: NASA/Goddard Space Flight Center Last Updated: Jan. 7, 2020 Editor: Yvette…

Galactic Pyrotechnics From 23 Million Light Years Away

From NASA Dec. 31, 2019 Galactic Pyrotechnics From 23 Million Light Years Away A galaxy about 23 million light years away is the site of impressive, ongoing fireworks. Rather than paper, powder and fire, this galactic light show involves a giant black hole, shock waves and vast reservoirs of gas. This galactic fireworks display is…

Lasers learn to accurately spot space junk

Scientists applied a set of algorithms to laser-ranging telescopes and succeeded in increasing accurate detection of the space litter in Earth’s orbit threatening spacecraft safety American Institute of Physics WASHINGTON, D.C., December 24, 2019 – Chinese researchers have improved the accuracy in detecting space junk in earth’s orbit, providing a more effective way to plot…

Stellar Snowflake Cluster

From NASA Dec. 23, 2019 Newborn stars, hidden behind thick dust, are revealed in this image of a section of the so-called Christmas Tree Cluster from NASA’s Spitzer Space Telescope. The newly revealed infant stars appear as pink and red specks toward the center and appear to have formed in regularly spaced intervals along linear…

New clues on dark matter from the darkest galaxies

A study by SISSA provides important information on its composition and on its interaction with luminous matter Scuola Internazionale Superiore di Studi Avanzati They are called low-surface-brightness galaxies and it is thanks to them that important confirmations and new information have been obtained on one of the largest mysteries of the cosmos: dark matter. “We…

NASA’s Juno Navigators Enable Jupiter Cyclone Discovery

great images~cr From NASA Dec. 12, 2019 NASA’s Juno Navigators Enable Jupiter Cyclone Discovery A new, smaller cyclone can be seen at the lower right of this infrared image of Jupiter’s south pole taken on Nov. 4, 2019, during the 23rd science pass of the planet by NASA’s Juno spacecraft. Credits: NASA/JPL-Caltech/SwRI/ASI/INAF/JIRAM Full image and…