White dwarfs were once normal stars similar to the sun but then collapsed after exhausting all their fuel. These interstellar remnants have historically been difficult to study. However, a recent study from Lund University ...
Astronomy
Mar 23, 2022
1
269
A ring of planetary debris studded with moon-sized structures has been observed orbiting close to a white dwarf star, hinting at a nearby planet in the "habitable zone" where water and life could exist, according to a new ...
Astronomy
Feb 11, 2022
0
1569
The recent launches of the James Webb Space Telescope (Webb) and the Imaging X-ray Polarimetry Explorer (IXPE) by NASA and its international partners are excellent reminders that the universe emits light or energy in many ...
Astronomy
Feb 2, 2022
1
61
German astronomers have conducted photometric observations of a recently discovered polar known as J1832.4-1627. This object is the first deeply eclipsing stream-fed intermediate polar so far detected. The study was detailed ...
Light bulbs are a big upgrade from fires and candles. Every year, homes in informal settlements burn down in Africa because of fires used for heating and lighting. So electrical light bulbs with filaments brought about a ...
Optics & Photonics
Nov 8, 2021
11
316
Lightspeed is the fastest velocity in the universe. Except when it isn't. Anyone who's seen a prism split white light into a rainbow has witnessed how material properties can influence the behavior of quantum objects: in ...
General Physics
Nov 4, 2021
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3476
At least one 1 in 4 white dwarfs will end its life as a magnetic star. At the end of their life, most stars shrink in size to the dimension of a small planet, an object called a "white dwarf," a late stage of stellar evolution.
Astronomy
Oct 4, 2021
0
112
Life on Earth has evolved alongside predictable cycles of day and night. But this pattern has become increasingly blurred. Between 2012 and 2016, satellite measurements revealed that the global area polluted by artificial ...
Plants & Animals
Aug 26, 2021
0
386
Streetlights—particularly those that use white light-emitting diodes (LEDs)—not only disrupt insect behavior but are also a culprit behind their declining numbers, a new study carried out in southern England showed Wednesday.
Ecology
Aug 25, 2021
3
10148
Four planets locked in a perfect rhythm around a nearby star are destined to be pinballed around their solar system when their sun eventually dies, according to a new study that peers into its future.
Astronomy
Jun 11, 2021
2
303
