Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Acceleration due to Gravity on Other Planets01:24

Acceleration due to Gravity on Other Planets

4.9K
The gravitational acceleration of an object near the Earth's surface is called the acceleration due to gravity. It can be measured by conducting simple experiments on Earth. However, such an experiment is impossible to conduct on the surface of other planets.
Astronomical observations are thus used to measure the acceleration due to gravity on other planets. This can be determined by observing the effect of a planet's gravity on objects close to it. The crucial factor that helps in this...
4.9K
Faraday Disk Dynamo01:23

Faraday Disk Dynamo

3.5K
A Faraday disk dynamo is a DC generator, producing an emf that is constant in time. It consists of a conducting disk that rotates with a constant angular velocity in the magnetic field, perpendicular to the disk's plane. The rotation of the disk causes a change in magnetic flux, which induces an emf, causing opposite charges to develop on the rim and in the center of the disk. The polarity of the induced emf can be determined by the direction of the magnetic field and the direction of the...
3.5K
Electric Field of a Charged Disk01:23

Electric Field of a Charged Disk

3.1K
The simplest case of a surface charge distribution is the uniformly charged disk. Calculating its electric field also helps us calculate the electric field of a large plane of charge.
The system's symmetry is in the cylindrical directions across the plane of the charge. As a result, the electric fields created by various surface charge elements nullify each other in the direction parallel to the surface. Thereby, the resulting electric field is perpendicular to the plane. Since the disk is...
3.1K
Ionic Crystal Structures02:42

Ionic Crystal Structures

16.9K
Ionic crystals consist of two or more different kinds of ions that usually have different sizes. The packing of these ions into a crystal structure is more complex than the packing of metal atoms that are the same size.
Most monatomic ions behave as charged spheres, and their attraction for ions of opposite charge is the same in every direction. Consequently, stable structures for ionic compounds result (1) when ions of one charge are surrounded by as many ions as possible of the opposite...
16.9K
Crystal Growth: Principles of Crystallization01:25

Crystal Growth: Principles of Crystallization

4.9K
Crystallization is a phase transformation process in which crystals are precipitated from a supersaturated solution or formed from other sources. During crystallization, atoms or molecules arrange themselves into a well-defined, rigid crystal lattice to minimize energy.
Initiating crystallization involves manipulating the concentration of the solute and the temperature of the solution. Since crystal growth occurs when the ratio of concentration and solubility of the solute in the solvent...
4.9K
Crystal Field Theory - Octahedral Complexes02:58

Crystal Field Theory - Octahedral Complexes

30.7K
Crystal Field Theory
To explain the observed behavior of transition metal complexes (such as colors), a model involving electrostatic interactions between the electrons from the ligands and the electrons in the unhybridized d orbitals of the central metal atom has been developed. This electrostatic model is crystal field theory (CFT). It helps to understand, interpret, and predict the colors, magnetic behavior, and some structures of coordination compounds of transition metals.
CFT focuses on...
30.7K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Active Control of Terahertz Transmission via Humidity-Responsive Swelling of Submicron Poly(vinyl alcohol)-Coated Nanoresonators.

Nano letters·2026
Same author

Direct evidence for magnetohydrodynamic disk winds driving rotating outflows in protostar HOPS 358.

Nature communications·2026
Same author

Ultra-efficient physical field computing by complex-valued network quantization.

Nature communications·2026
Same author

A complex structure of escaping helium spanning more than half the orbit of the ultra-hot Jupiter WASP-121 b.

Nature communications·2025
Same author

Reversible Hydrogen Spillover: Adsorption-Desorption Site Reversal in HER.

Small (Weinheim an der Bergstrasse, Germany)·2025
Same author

A misaligned protostellar disk fed by gas streamers in a barred spiral-like massive dense core.

Science advances·2025

Related Experiment Video

Updated: Jan 23, 2026

Identification and Isolation of Burst-Forming Unit and Colony-Forming Unit Erythroid Progenitors from Mouse Tissue by Flow Cytometry
08:31

Identification and Isolation of Burst-Forming Unit and Colony-Forming Unit Erythroid Progenitors from Mouse Tissue by Flow Cytometry

Published on: November 4, 2022

3.8K

Accretion bursts crystallize silicates in a planet-forming disk.

Jeong-Eun Lee1,2, Chul-Hwan Kim3, Jaeyeong Kim4

  • 1Department of Physics and Astronomy, Seoul National University, Seoul, Republic of Korea. lee.jeongeun@snu.ac.kr.

Nature
|January 21, 2026
PubMed
Summary
This summary is machine-generated.

Scientists observed crystalline silicates forming in a young star during an accretion burst. This provides direct evidence for high-temperature dust processing and outward transport in the early Solar System, crucial for planet formation.

More Related Videos

Exfoliation of Egyptian Blue and Han Blue, Two Alkali Earth Copper Silicate-based Pigments
12:04

Exfoliation of Egyptian Blue and Han Blue, Two Alkali Earth Copper Silicate-based Pigments

Published on: April 24, 2014

16.5K
20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier
10:17

20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier

Published on: July 12, 2017

12.0K

Related Experiment Videos

Last Updated: Jan 23, 2026

Identification and Isolation of Burst-Forming Unit and Colony-Forming Unit Erythroid Progenitors from Mouse Tissue by Flow Cytometry
08:31

Identification and Isolation of Burst-Forming Unit and Colony-Forming Unit Erythroid Progenitors from Mouse Tissue by Flow Cytometry

Published on: November 4, 2022

3.8K
Exfoliation of Egyptian Blue and Han Blue, Two Alkali Earth Copper Silicate-based Pigments
12:04

Exfoliation of Egyptian Blue and Han Blue, Two Alkali Earth Copper Silicate-based Pigments

Published on: April 24, 2014

16.5K
20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier
10:17

20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier

Published on: July 12, 2017

12.0K

Area of Science:

  • Astronomy and Astrophysics
  • Planetary Science
  • Cosmochemistry

Background:

  • Crystalline silicates form at high temperatures and their presence in comets suggests early Solar System dust processing.
  • Direct evidence for silicate crystallization and transport in young Sun-like protostars was previously lacking.

Purpose of the Study:

  • To investigate in situ silicate crystallization and outward transport mechanisms in young protostars during accretion bursts.
  • To provide direct observational evidence for dust processing in the earliest stages of star formation.

Main Methods:

  • Utilized James Webb Space Telescope (JWST) mid-infrared spectroscopy to observe the protostar EC 53 during an accretion burst.
  • Analyzed spectral data for the emergence of crystalline silicate (forsterite and enstatite) emission features.

Main Results:

  • Detected crystalline silicate emission features appearing exclusively during the accretion burst, indicating active crystal formation via thermal annealing.
  • Observed a nested outflow structure (collimated atomic jet within molecular outflows), consistent with magnetohydrodynamic wind models.
  • The findings suggest in situ silicate crystallization during episodic accretion and provide a mechanism for outward transport.

Conclusions:

  • This study presents the first direct observational evidence of in situ silicate crystallization during episodic accretion in a young, embedded protostar.
  • The results support the theory that high-temperature dust processing and redistribution occur during the dynamic early stages of star formation.
  • While outward transport to the outer disk wasn't directly observed, the trends are consistent with this process, impacting early Solar System materials.