A new study suggests that the Gulf Stream – an Atlantic Ocean current that plays a large role in shaping Earth’s weather patterns – is weaker now than at any point in the last 1,000 years. Source: https://earthsky.org/earth/gulf-stream-atlantic-weakest-in-over-1000-years…
Tag: space flight
Can air pollution help us find alien life?
To find alien life in our universe, scientists have considered searches for optical lasers or even giant energy-harvesting structures known as Dyson spheres. Now they’re suggesting a more mundane sort of search, a hunt for air pollution in exoplanet atmospheres. Source: https://earthsky.org/space/can-pollution-help-us-find-alien-life…
James Webb Space Telescope – Hubble’s successor – to launch in October
The James Webb Space Telescope is the world’s most complex infrared telescope, built for a wide range of research projects. NASA is now targeting October 31 for its launch on an Ariane 5 rocket from French Guiana. Source: https://earthsky.org/space/james-webb-telescope-hubble-successor-to-launch…
Researcher uses machine learning to classify stellar objects from TESS data
A game of chess has 20 possible opening moves. Imagine being asked to start a game with tens of millions of openings instead. That was the task assigned to Adam Friedman, a 2020 summer intern at NASA’s Goddard Space Flight Center in Greenbelt, Maryland. A chess champion in high school, Friedman analyzed his opponent—a deluge of data on the brightness changes…
Mars atmosphere shedding charged particles onto Phobos?
New research suggests that particles escaping from Mars’ atmosphere have been accumulating on the surface of the planet’s largest moon Phobos for billions of years. They could provide important new details about the history of both worlds. Source: https://earthsky.org/space/mars-atmosphere-history-phobos-soil…
Astronomers see multiple eclipses in unique 6-star system
An international team of astronomers has discovered a unique 6-star system where eclipses of all 6 stars can be seen from Earth. Source: https://earthsky.org/space/tyc-7037-89-1-sextuplet-system-6-stars-that-eclipse…
SpaceX Announces First-Ever All-Civilian Space Flight Crew
Jared Isaacman, an entrepreneur behind a payment processing startup, is funding a multimillion trip to space aboard a SpaceX Crew Dragon capsule, which could be the first-ever orbital flight crewed entirely by non-astronauts. CNN reports: Isaacman, 37, said he will command the mission, which is slated for late-2021 and will see the spacecraft make a “multi-day” trip into Earth’s orbit, according…
JADES will go deeper than the Hubble Deep Fields
Astronomers announced this month that a new deep-field survey called JADES will be carried out with the James Webb Space Telescope, Hubble’s much-anticipated successor. The Webb is due to launch later this year. Source: https://earthsky.org/space/jades-deep-field-surveys-epoch-of-1st-galaxies…
Sextuply-eclipsing sextuple star system uncovered in TESS data with an assist from AI
An international team of researchers led by Brian P. Powell at NASA’s Goddard Space Flight Center and Veselin P. Kostov at the SETI Institute has identified a unique system consisting of six stars. The three binary stars form a gravitationally-bound system and each pair is producing eclipses. The star system, known as TYC 7037-89-1, was uncovered in data from the Transiting…
Will iceberg twice the size of NYC break off Antarctica this year?
A crack on the Antarctic ice shelf grew dramatically in late 2020 into 2021. Scientists are watching to see if the rapidly accelerating crack will cause the shelf to rip apart before Antarctica’s sunlit summer season – going on now – comes to an end. Source: https://earthsky.org/earth/iceberg-brunt-ice-shelf-antarctica-break-off…