Major smashups between rocky bodies shaped our solar system. Observations of a similar crash give clues about how frequent these events are around other stars.
Astronomy
Mar 18, 2022
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410
The solar system has eight planets. In 2006, astronomers reclassified Pluto as a dwarf planet, the same class that contains Eris, Sedna, Quaoar, Ceres and perhaps many more solar system small bodies. These are defined approximately ...
Astronomy
Mar 14, 2022
5
815
Astronomers may have detected a "sonic boom" from a powerful blast known as a kilonova. This event was seen in GW170817, a merger of two neutron stars and the first object detected in both gravitational waves and electromagnetic ...
Astronomy
Mar 7, 2022
0
29
When you think of soaps, you may first picture the liquid foams or solid bars that wash away dirt, grime and bacteria. However, not all soaps are cleansers. In the art conservation world, metal carboxylates, also known as ...
Analytical Chemistry
Mar 4, 2022
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80
More than 30 years ago the Infrared Astronomy Satellite discovered that the universe contained many almost invisible yet enormously luminous galaxies—some of them more than 1,000 times brighter than our own Milky Way. These ...
Astronomy
Mar 4, 2022
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130
A research team led by Lund University in Sweden has provided an important clue to the origin of the element ytterbium in the Milky Way, by showing that the element largely originates from supernova explosions. The groundbreaking ...
Astronomy
Feb 23, 2022
0
128
The James Webb Space Telescope (JWST), launched last December, has been slowly powering up its instruments and unfurling its sunshield, and is now in the process of aligning its mirrors in preparation for operation. Within ...
Astronomy
Feb 21, 2022
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6112
Cooling things down in space is trickier than it might sound. But that is exactly the process the James Webb telescope is going through right now. Getting down to cryogenic temperature is imperative for its infrared imaging ...
Astronomy
Feb 16, 2022
1
105
Since its launch on Christmas day, astronomers have eagerly followed the complex deployment and unfurling of NASA's James Webb Space Telescope—the largest to ever take to the skies.
Astronomy
Feb 10, 2022
0
45
For the first time, scientists were able to create ultrashort dark and bright light pulses that are linked together in tiny glass rings called microresonators. Each of the flashes consist of many different, precisely defined ...
Optics & Photonics
Jan 27, 2022
0
49
