Though a doomed star exploded some 20,000 years ago, its tattered remnants continue racing into space at breakneck speeds—and NASA's Hubble Space Telescope has caught the action.
Astronomy
Sep 28, 2023
1
2498
Massive stars refer to stars that are more than ten times the mass of the sun. They can release powerful ultraviolet radiation, ionize the gas in the interstellar medium, and eventually produce the elements necessary for ...
Astronomy
Jul 13, 2023
0
174
Avi Loeb, a physicist from Harvard University in the US, has recovered 50 tiny spherical iron fragments from the bottom of the Pacific Ocean that he claims may be material from an interstellar alien spaceship.
Astrobiology
Jul 10, 2023
1
55
Solar flares and coronal mass ejections (CME) are two of the most energetic processes in the solar system, showering the Earth's magnetic field with billions of tons of highly energetic plasma gas, potentially disrupting ...
Astronomy
May 10, 2023
0
46
Molecular clusters are aggregates of molecules that are held together non-covalently, by relatively weak forces. When these clusters are excited, normally one would expect the cluster to simply break apart. However, a fascinating ...
Analytical Chemistry
Mar 2, 2023
0
44
It is a popular notion that aside from large celestial objects like planets, stars and asteroids, outer space is empty. In fact, galaxies are filled with something called the interstellar medium (ISM)—that is, the gas and ...
Astronomy
Feb 16, 2023
0
158
Planetary nebulae form when red giant stars expel their outermost layers as they run out of helium fuel—becoming hot, dense white dwarf stars that are roughly the size of Earth. The material that was shed, enriched in carbon, ...
Astronomy
Jan 12, 2023
0
63
The synthetic production of a critical building block called methanediamine for the first time, by researchers in University of Hawaiʻi at Mānoa's Department of Chemistry, could lead to key insights into the origins of ...
Biochemistry
Dec 13, 2022
0
477
Leveraging the NASA Center for Climate Simulation (NCCS), NASA Goddard Space Flight Center scientists ran 100 simulations exploring jets—narrow beams of energetic particles—that emerge at nearly light speed from supermassive ...
Astronomy
Nov 29, 2022
4
243
Astronomers at the University of Arizona have developed a theory to explain the presence of the largest molecules known to exist in interstellar gas.
Astronomy
Jul 19, 2022
0
125
