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

Influence of Earth's Curvature and Atmospheric Refraction on Leveling01:26

Influence of Earth's Curvature and Atmospheric Refraction on Leveling

48
During leveling, the Earth's curvature and atmospheric refraction introduce deviations in the line of sight from a true horizontal reference. When the line of sight is leveled, it remains perpendicular to the plumb line only at a single point. Beyond this, it deviates due to the Earth’s curvature, represented by the correction C. For a sight distance D, the deviation can be derived using the relationship:This relationship shows that the deviation increases quadratically with distance.
48
Attenuated Total Reflectance (ATR) Infrared Spectroscopy: Overview01:13

Attenuated Total Reflectance (ATR) Infrared Spectroscopy: Overview

264
Attenuated total reflectance (ATR) infrared spectroscopy is a powerful analytical technique used to study the composition of materials. It is widely employed in chemistry, materials science, forensic science, and other fields where sample characterization is required. ATR has several advantages over traditional transmission IR spectroscopy, including the requirement of little to no sample preparation and the ability to analyze a wide range of samples.
The ATR process begins by directing a beam...
264
Precipitation Gravimetry01:03

Precipitation Gravimetry

4.7K
Precipitation gravimetry is based on converting an analyte into a sparingly soluble precipitate, which is separated by filtration and weighed. An ideal precipitate should be pure, insoluble, of known composition, and easily filtered from the reaction mixture.
In determining nickel by gravimetric analysis, a precipitant of ethanolic dimethylglyoxime is added to a hot nickel salt solution. This is quickly followed by the dropwise addition of dilute ammonia solution until precipitation occurs. A...
4.7K
Doppler Effect - II01:05

Doppler Effect - II

3.3K
The Doppler effect has several practical, real-world applications. For instance, meteorologists use Doppler radars to interpret weather events based on the Doppler effect. Typically, a transmitter emits radio waves at a specific frequency toward the sky from a weather station. The radio waves bounce off the clouds and precipitation and travel back to the weather station. The radio frequency of the waves reflected back to the station appears to decrease if the clouds or precipitation are moving...
3.3K
Boundary Layer Characteristics01:18

Boundary Layer Characteristics

28
When a fluid encounters a solid surface, a boundary layer forms due to the interaction between the fluid's motion and the stationary surface. This phenomenon is characterized by a thin region adjacent to the surface where viscous forces dominate, influencing the fluid's velocity profile. The development of the boundary layer begins at the leading edge of the surface and evolves as the fluid moves downstream.As the fluid flows over the surface, friction between the fluid and the wall slows down...
28
Variation of Atmospheric Pressure01:18

Variation of Atmospheric Pressure

2.0K
Change in atmospheric pressure with height is particularly interesting. The decrease in atmospheric pressure with increasing altitude is due to the decreasing gravitational force per unit area as we move away from the surface of the earth.
Assuming the air temperature is constant at a given altitude and that the ideal gas law of thermodynamics describes the atmosphere to a good approximation, one can find the variation of atmospheric pressure with height.
Let p(y) be the atmospheric pressure at...
2.0K

You might also read

Related Articles

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

Sort by
Same author

Goals and trends in space exploration: An overview of the panel on exploration sessions at the committee on space research general assembly 2024.

Life sciences in space research·2026
Same author

The COSPAR Panel on Planetary Protection and the COSPAR Policy on Planetary Protection: an overview of governance and activities.

Philosophical transactions. Series A, Mathematical, physical, and engineering sciences·2026
Same author

Further updates to the Committee on Space Research Planetary Protection Policy for missions to Icy Worlds.

Philosophical transactions. Series A, Mathematical, physical, and engineering sciences·2026
Same author

Habitability and exchange processes on the Jovian moons: implications for planetary protection measures.

Philosophical transactions. Series A, Mathematical, physical, and engineering sciences·2026
Same author

Accurate geometric albedo, shape, and size of Hi'iaka from a stellar occultation.

Nature communications·2025
Same author

Investigating the formation of small Solar System objects using stellar occultations by satellites: present, future and its use to update satellite orbits.

Philosophical transactions. Series A, Mathematical, physical, and engineering sciences·2025
Same journal

Correction to: 'Stokes settling and particle-laden plumes: implications for deep-sea mining and volcanic eruption plumes' (2020), by Mingotti et al.

Philosophical transactions. Series A, Mathematical, physical, and engineering sciences·2026
Same journal

A stable hothouse triggered by a tipping mechanism.

Philosophical transactions. Series A, Mathematical, physical, and engineering sciences·2026
Same journal

Beyond distance: quantifying point cloud dynamics with persistent homology and dynamic optimal transport.

Philosophical transactions. Series A, Mathematical, physical, and engineering sciences·2026
Same journal

Global stability of the Atlantic overturning circulation: edge state, long transients and boundary crisis under CO2 forcing.

Philosophical transactions. Series A, Mathematical, physical, and engineering sciences·2026
Same journal

Morse index classification and landscape of Kuramoto system for Hebbian-based binary pattern recognition.

Philosophical transactions. Series A, Mathematical, physical, and engineering sciences·2026
Same journal

Interpretable and equation-free response theory for complex systems.

Philosophical transactions. Series A, Mathematical, physical, and engineering sciences·2026
See all related articles

Related Experiment Video

Updated: May 25, 2025

Measurement of Aerosols Optical Thickness of the Atmosphere using the GLOBE Handheld Sun Photometer
06:27

Measurement of Aerosols Optical Thickness of the Atmosphere using the GLOBE Handheld Sun Photometer

Published on: May 29, 2019

7.9K

Atmospheric sounding using Earth-based occultations.

Therese Encrenaz1,2, Bruno Sicardy1,2, Françoise Roques1,2

  • 1LESIA, Observatoire de Paris, Université PSL, Meudon 92195, France.

Philosophical Transactions. Series A, Mathematical, Physical, and Engineering Sciences
|February 27, 2025
PubMed
Summary
This summary is machine-generated.

Stellar occultations observed from Earth reveal atmospheric properties of planets and satellites. Advances in stellar catalogs, like Gaia

Keywords:
atmospheressolar system bodiesstellar occultations

More Related Videos

Surface Mapping of Earth-like Exoplanets using Single Point Light Curves
06:48

Surface Mapping of Earth-like Exoplanets using Single Point Light Curves

Published on: May 10, 2020

3.5K
Simulating Imaging of Large Scale Radio Arrays on the Lunar Surface
06:14

Simulating Imaging of Large Scale Radio Arrays on the Lunar Surface

Published on: July 30, 2020

4.8K

Related Experiment Videos

Last Updated: May 25, 2025

Measurement of Aerosols Optical Thickness of the Atmosphere using the GLOBE Handheld Sun Photometer
06:27

Measurement of Aerosols Optical Thickness of the Atmosphere using the GLOBE Handheld Sun Photometer

Published on: May 29, 2019

7.9K
Surface Mapping of Earth-like Exoplanets using Single Point Light Curves
06:48

Surface Mapping of Earth-like Exoplanets using Single Point Light Curves

Published on: May 10, 2020

3.5K
Simulating Imaging of Large Scale Radio Arrays on the Lunar Surface
06:14

Simulating Imaging of Large Scale Radio Arrays on the Lunar Surface

Published on: July 30, 2020

4.8K

Area of Science:

  • Planetary Science
  • Astronomy
  • Atmospheric Physics

Background:

  • Earth-based stellar occultations have long been a method for studying planetary atmospheres.
  • This technique provides insights into atmospheric density, pressure, and temperature profiles.
  • It also helps determine wind regimes and detect hazes in planetary atmospheres.

Purpose of the Study:

  • To highlight the significance of stellar occultations in planetary atmospheric studies.
  • To discuss how advancements, particularly from the Gaia mission, have improved this method.
  • To emphasize the potential of stellar occultations for exploring tenuous atmospheres of distant solar system objects.

Main Methods:

  • Analyzing variations in stellar flux during planetary occultations (ingress and egress).
  • Utilizing central flash observations for additional atmospheric data.
  • Leveraging improved stellar catalogs from astrometric missions like Gaia.

Main Results:

  • Stellar occultations provide complementary data to space mission results.
  • The method has been successfully applied to all planets and satellites with atmospheres.
  • Enhanced stellar catalogs significantly expand the capabilities of occultation studies.

Conclusions:

  • Earth-based stellar occultations are a valuable and versatile tool in planetary science.
  • The technique is particularly promising for characterizing the thin atmospheres of remote solar system bodies.
  • Continued advancements will further enhance our understanding of planetary atmospheres.