An experiment to bounce a radio signal off an asteroid on Dec. 27 will serve as a test for probing a larger asteroid that in 2029 will pass closer to Earth than the many geostationary satellites that orbit our planet.
Planetary Sciences
Dec 22, 2022
1
33
The Robert C. Byrd Green Bank Telescope (GBT), part of the Green Bank Observatory in West Virginia, is the world's premiere single-dish radio telescope. Between its 100-meter dish (328-foot), unblocked aperture, and excellent ...
Astrobiology
Dec 22, 2022
0
78
This is the antenna that will transmit back the first close-up images of the distant Dimorphos asteroid since its orbit was shifted by a collision with NASA's DART spacecraft.
Space Exploration
Dec 22, 2022
0
4
Much like how familiar landmarks can give travelers a sense of direction when their smart phones lose their lock on GPS signals, a NASA engineer is teaching a machine to use features on the Moon's horizon to navigate across ...
Space Exploration
Dec 19, 2022
0
12
A new study by Tel Aviv University and the University of Haifa offers an original solution to the biological challenge of wind turbine operation and helps prevent harm caused to flying animals, in particular bats. According ...
Ecology
Dec 16, 2022
0
37
One of the most dramatic phases of fetal development occurs as previously unstructured collections of rapidly dividing precursor cells begin forming the embryo's spine.
Biotechnology
Dec 14, 2022
0
39
WNT signaling is crucial for the development of organisms and the maintenance of tissue homeostasis, since the WNT messengers are involved in a variety of cellular functions. In skeletal muscle, for example, they can increase ...
Cell & Microbiology
Dec 13, 2022
0
10
A trio of researchers, two from the University of California at Irvine, the third from the University of Michigan at Flint, has found that sea urchin sperm navigation is a natural implementation of extremum seeking. In their ...
In the 1997 movie "Contact," Ellie Arroway is a young radio astronomer played by Jodie Foster. Ellie's on a mission to discover alien life, and in one famous scene filmed at the Very Large Array, she sits at the edge of the ...
Astronomy
Dec 9, 2022
1
60
A team of researchers affiliated with multiple institutions in China has used perovskite and quantum dots to build an ultraviolet radiation measurement device. The group describes their experiment in Matter.
