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

Kepler's First Law of Planetary Motion01:10

Kepler's First Law of Planetary Motion

5.7K
In the early 17th century, German astronomer and mathematician Johannes Kepler postulated three laws for the motion of planets in the solar system. He formulated his first two laws based on the observations of his forebears, Nikolaus Copernicus and Tycho Brahe.
Polish astronomer Nikolaus Copernicus put forth a theory that stated a heliocentric model for the solar system. According to this heliocentric theory, all the planets, including Earth, orbit the Sun in circular orbits.
On the other hand,...
5.7K
Kepler's Third Law of Planetary Motion01:18

Kepler's Third Law of Planetary Motion

4.4K
In the early 17th century, German astronomer and mathematician Johannes Kepler postulated three laws for the motion of planets in the solar system. In 1909, he formulated his first two laws based on the observations of his forebears, Nikolaus Copernicus and Tycho Brahe. However, in 1918, he published his third law of planetary motion, which gives a precise mathematical relationship between a planet's average distance from the Sun and the amount of time it takes to revolve around the Sun. It...
4.4K
Atomic Emission Spectroscopy: Overview01:20

Atomic Emission Spectroscopy: Overview

3.9K
Atomic emission spectroscopy (AES) is an analytical technique used to determine the elemental composition of a sample by analyzing the light emitted from excited atoms. In AES, atoms in a sample are excited to higher energy levels by thermal energy from high-temperature sources, such as plasma, arcs, or sparks. When these excited atoms return to lower energy states, they emit light at specific wavelengths characteristic of each element. The resulting atomic emission spectrum, which consists of...
3.9K
Kepler's Second Law of Planetary Motion01:29

Kepler's Second Law of Planetary Motion

5.4K
In the early 17th century, German astronomer and mathematician Johannes Kepler postulated three laws for the motion of planets in the solar system. His first law states that all planets orbit the Sun in an elliptical orbit, with the Sun at one of the ellipse's foci. Therefore, the distance of a planet from the Sun varies throughout its revolution around the Sun.
While in an elliptical orbit, the total energy of the planet is conserved. Therefore, the planet slows down when it is at apogee and...
5.4K
Emission Spectra02:39

Emission Spectra

77.0K
When solids, liquids, or condensed gases are heated sufficiently, they radiate some of the excess energy as light. Photons produced in this manner have a range of energies, and thereby produce a continuous spectrum in which an unbroken series of wavelengths is present.
77.0K
Atomic Emission Spectroscopy: Interference01:30

Atomic Emission Spectroscopy: Interference

703
In atomic emission spectroscopy (AES), high-temperature atomizers excite a broad range of elements and molecules that generate complex emissions from sources such as oxides, hydroxides, and flame combustion products in the flame or plasma. Several strategies can be employed to minimize spectral interferences caused by overlapping emission lines or bands. These include increasing instrument resolution, choosing alternative emission lines, optimally placing the detector in low-background regions,...
703

You might also read

Related Articles

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

Sort by
Same author

Two distinct populations of dark comets delineated by orbits and sizes.

Proceedings of the National Academy of Sciences of the United States of America·2024
Same author

Spectroscopic identification of water emission from a main-belt comet.

Nature·2023
See all related articles

Related Experiment Video

Updated: Mar 1, 2026

Scattering And Absorption of Light in Planetary Regoliths
11:34

Scattering And Absorption of Light in Planetary Regoliths

Published on: July 1, 2019

11.0K

Asteroid-comet continuum objects in the solar system.

Henry H Hsieh1,2

  • 1Planetary Science Institute, 1700 East Fort Lowell Road, Suite 106, Tucson, AZ 85719, USA hhsieh@psi.edu.

Philosophical Transactions. Series A, Mathematical, Physical, and Engineering Sciences
|May 31, 2017
PubMed
Summary
This summary is machine-generated.

Active asteroids, or continuum objects, bridge the gap between asteroids and comets. These small solar system bodies offer unique insights into primitive solar system materials and inaccessible regions.

Keywords:
asteroidscometsdynamicsmeteorssolar system evolution

More Related Videos

Bringing the Visible Universe into Focus with Robo-AO
10:35

Bringing the Visible Universe into Focus with Robo-AO

Published on: February 12, 2013

20.1K
Comet Assay as an Indirect Measure of Systemic Oxidative Stress
08:23

Comet Assay as an Indirect Measure of Systemic Oxidative Stress

Published on: May 22, 2015

30.0K

Related Experiment Videos

Last Updated: Mar 1, 2026

Scattering And Absorption of Light in Planetary Regoliths
11:34

Scattering And Absorption of Light in Planetary Regoliths

Published on: July 1, 2019

11.0K
Bringing the Visible Universe into Focus with Robo-AO
10:35

Bringing the Visible Universe into Focus with Robo-AO

Published on: February 12, 2013

20.1K
Comet Assay as an Indirect Measure of Systemic Oxidative Stress
08:23

Comet Assay as an Indirect Measure of Systemic Oxidative Stress

Published on: May 22, 2015

30.0K

Area of Science:

  • Solar System Science
  • Planetary Science
  • Astronomy

Background:

  • Small solar system bodies exhibit a continuous range of properties, challenging traditional classifications.
  • Objects with characteristics of both asteroids and comets, termed 'active asteroids' or 'continuum objects', are of significant scientific interest.

Purpose of the Study:

  • To review studies on continuum objects, highlighting their importance in understanding solar system evolution.
  • To emphasize that these objects represent a continuum of properties rather than a distinct transitional state.

Main Methods:

  • Review of observational, physical, and dynamical properties of small solar system bodies.
  • Analysis of literature on active asteroids and their characteristics.

Main Results:

  • Continuum objects display a wide spectrum of properties, integrating features of both asteroids and comets.
  • These objects provide access to primitive materials and distant solar system regions.

Conclusions:

  • Continuum objects are a natural part of the small solar system body population, not necessarily transitional forms.
  • Studying these objects enhances our understanding of solar system composition and dynamics.