Tag

Stellar Radiation

All articles tagged with #stellar radiation

astronomy1 year ago•4 min saved

"Stellar Radiation's Impact on Planet Formation Uncovered by James Webb Telescope"

The James Webb Space Telescope has revealed the impact of radiation from massive stars on planet formation in the Orion Nebula, uncovering how the harsh radiation stunts the birth of planets in a protoplanetary disk called d203-506. The disk, surrounding a young red dwarf star, is bombarded by high-energy ultraviolet radiation from nearby massive stars, leading to the escape of gas from the disk and suppressing the formation of planets, particularly gas giants like Jupiter. This research sheds light on the complex interplay between stellar radiation and planet formation, providing insights into the conditions necessary for the birth of planetary systems.

via Space.com|

#astronomy #james-webb-space-telescope #orion-nebula

space-science2 years ago•5 min saved

"Groundbreaking Discoveries Unveiled by Compact 14-inch Spacecraft on 'Hot Jupiters'"

The Colorado Ultraviolet Transit Experiment (CUTE), a small spacecraft the size of a cereal box, has provided precise measurements of the atmospheres of "hot Jupiters" - large, puffy planets that orbit close to their stars. Led by a team from the University of Colorado Boulder, the findings suggest that the process of atmospheric escape from these planets may be more complex than previously thought. The observations from CUTE have revealed that some hot Jupiters are losing their atmospheres while others are not. The mission aims to understand the diversity of planets in the universe and the physical processes operating on them.

via Phys.org|

#atmosphere-measurements #cute-spacecraft #exoplanets

astronomy2 years ago•2 min saved

Distant star's 'superflare' may have caused powerful solar storm.

Scientists have observed one of the most powerful and gargantuan stellar flares ever seen from a star system called V1355 Orionis, which is about 400 light-years from Earth. The superflare is 10 times more massive than anything ever witnessed erupting from the sun and may have launched one of the largest coronal mass ejections (CMEs) ever observed. Superflares originate from stars that are highly magnetically active and may be accompanied by enormous eruptions of charged particles that could devastate life on any planets in their firing line.

via Space.com|

#astronomy #cme #magnetic-activity

astronomy2 years ago•2 min saved

Massive Superflare Eruption Detected from Distant Star

Scientists have observed a "superflare" from a star system in the Orion constellation, which is 10 times more massive than anything ever witnessed erupting from the sun. The superflare may be accompanied by enormous eruptions of charged particles that could devastate life on any planets in their firing line. The researchers studied the distant star system in multiple wavelengths of light to capture the most complete picture possible of the superflare's evolution. The discovery is a caveat in the search for life on other worlds: planets around magnetically hyper star systems like V1355 Orionis may not be the best places to look.

via Livescience.com|

#astronomy #charged-particles #cme

astronomy2 years ago•2 min saved

Distant star's 'superflare' may have caused powerful solar storm.

Astronomers have observed one of the most powerful and gargantuan stellar flares ever seen from a distant star system called V1355 Orionis, which is about 400 light-years from Earth. The superflare is 10 times more massive than anything ever witnessed erupting from the sun and may have launched one of the largest coronal mass ejections (CMEs) ever observed. The study suggests that superflares originate from stars that are highly magnetically active and may be accompanied by enormous eruptions of charged particles that could devastate life on any planets in their firing line.

via Yahoo Life|

#astronomy #cme #magnetic-activity