In Star Trek, characters carry a little handheld device called a tricorder that they can point at objects to analyze and identify them. When the show's writers cooked up the idea in the 1960s, it was purely science fiction, ...
Plants & Animals
Oct 19, 2021
0
190
In order to better understand the history and evolution of the Milky Way, astronomers are studying the composition of the gases and metals that make up an important part of our galaxy. Three main elements stand out: the initial ...
Astronomy
Sep 8, 2021
40
439
A new study from scientists using the Atacama Large Millimeter/submillimeter Array (ALMA) suggests that previously displaced gases can re-accrete onto galaxies, potentially slowing down the process of galaxy death caused ...
Astronomy
Jul 29, 2021
8
713
Scientists have published a new, detailed radio image of the Andromeda galaxy—the Milky Way's sister galaxy—which will allow them to identify and study the regions of Andromeda where new stars are born.
Astronomy
Jul 28, 2021
1
1682
Tantalizing evidence has been uncovered for a mysterious population of "free-floating" planets, planets that may be alone in deep space, unbound to any host star. The results include four new discoveries that are consistent ...
Astronomy
Jul 6, 2021
3
2035
Historically most scientists thought that once a satellite galaxy has passed close by its higher mass parent galaxy, its star formation would stop because the larger galaxy would remove the gas from it, leaving it shorn of ...
Astronomy
Jul 6, 2021
0
621
Research combining systematic observations with cosmological simulations has found that, surprisingly, black holes can help certain galaxies form new stars. On scales of galaxies, the role of supermassive black holes for ...
Astronomy
Jun 14, 2021
2
6
A team of astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) has completed the first census of molecular clouds in the nearby universe, revealing that contrary to previous scientific opinion, these ...
Astronomy
Jun 8, 2021
0
21
Three dozen dwarf galaxies far from each other had a simultaneous 'baby boom' of new stars, an unexpected discovery that challenges current theories on how galaxies grow and may enhance our understanding of the universe.
Astronomy
May 24, 2021
6
149
This overlay shows radio (orange) and infrared images of a giant molecular cloud called W49A, where new stars are being formed. A team of astronomers led by Chris DePree of Agnes Scott College used the National Science Foundation's ...
Astronomy
May 4, 2021
0
48
