Jove
Visualize
Contáctanos
JoVE
x logofacebook logolinkedin logoyoutube logo
ACERCA DE JoVE
Visión GeneralLiderazgoBlogCentro de Ayuda JoVE
AUTORES
Proceso de PublicaciónConsejo EditorialAlcance y PolíticasRevisión por ParesPreguntas FrecuentesEnviar
BIBLIOTECARIOS
TestimoniosSuscripcionesAccesoRecursosConsejo Asesor de BibliotecasPreguntas Frecuentes
INVESTIGACIÓN
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchivo
EDUCACIÓN
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualCentro de Recursos para ProfesoresSitio de Profesores
Términos y Condiciones de Uso
Política de Privacidad
Políticas

Videos de Conceptos Relacionados

Rocket Propulsion in Empty Space - I01:13

Rocket Propulsion in Empty Space - I

The driving force for the motion of any vehicle is friction, but in the case of rocket propulsion in space, the friction force is not present. The motion of a rocket changes its velocity (and hence its momentum) by ejecting burned fuel gases, thus causing it to accelerate in the direction opposite to the velocity of the ejected fuel. In this situation, the mass and velocity of the rocket constantly change along with the total mass of ejected gases. Due to conservation of momentum, the rocket's...
Rocket Propulsion In Empty Space - II01:12

Rocket Propulsion In Empty Space - II

The motion of a rocket is governed by the conservation of momentum principle. A rocket's momentum changes by the same amount (with the opposite sign) as the ejected gases. As time goes by, the rocket's mass (which includes the mass of the remaining fuel) continuously decreases, and its velocity increases. Therefore, the principle of conservation of momentum is used to explain the dynamics of a rocket's motion. The ideal rocket equation gives the change in velocity that a rocket experiences by...
Acceleration due to Gravity on Other Planets01:24

Acceleration due to Gravity on Other Planets

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...
Kepler's First Law of Planetary Motion01:10

Kepler's First Law of Planetary Motion

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,...
Flame Photometry: Lab01:16

Flame Photometry: Lab

In a flame photometer, when a solution like potassium chloride is aspirated into the flame, the solvent evaporates, leaving behind dehydrated salt. This salt dissociates into free gaseous atoms in their ground state. Some of these atoms absorb energy from the flame, leading to their excitation. The excited atoms return to the ground state, emitting photons at characteristic wavelengths. Because only electronic transitions are involved, the resulting emission lines are very narrow. The intensity...
Impact: Problem Solving01:26

Impact: Problem Solving

In an experiment conducted during a Mars mission, a rover propels a projectile with an initial velocity, and the projectile rebounds after colliding with the Martian surface. To ascertain the maximum height attained by the projectile after this collision, the known restitution coefficient and acceleration due to gravity are employed.
By designating the launch point as the origin and utilizing kinematic equations, the vertical component of the projectile's velocity at the point of impact is...

También podría leer

Artículos Relacionados

Artículos vinculados a este trabajo por autores compartidos, revista y gráfico de citas.

Ordenar por
Same author

Diabetes distress and depression are independently associated with gastrointestinal symptoms in type 2 diabetes in Bangladesh.

Diabetic medicine : a journal of the British Diabetic Association·2024
Same author

First Direct Measurement Constraining the ^{34}Ar(α,p)^{37}K Reaction Cross Section for Mixed Hydrogen and Helium Burning in Accreting Neutron Stars.

Physical review letters·2023
Same author

Canyon Wall and Floor Debris Deposits in Aeolis Mons, Mars.

Journal of geophysical research. Planets·2022
Same author

The impact of micronutrient supplementation in alcohol-exposed pregnancies on reaction time responses of preschoolers in Ukraine.

Alcohol (Fayetteville, N.Y.)·2021
Same author

Digesting the pathogenesis of diabetic gastroparesis.

Journal of diabetes and its complications·2021
Same author

Evidence for a Diagenetic Origin of Vera Rubin Ridge, Gale Crater, Mars: Summary and Synthesis of <i>Curiosity</i>'s Exploration Campaign.

Journal of geophysical research. Planets·2021

Video Experimental Relacionado

Updated: Jun 30, 2026

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

Un año en Marte: observaciones de imágenes del módulo de aterrizaje viking.

K L Jones, R E Arvidson, E A Guinness

    Science (New York, N.Y.)
    |May 25, 1979
    PubMed
    Resumen
    Este resumen es generado por máquina.

    Los módulos de aterrizaje Viking observaron cambios en la superficie de Marte, incluida la formación de condensado de hielo y tasas de erosión por polvo más bajas de lo esperado. Estos hallazgos ofrecen información sobre la dinámica ambiental marciana.

    Más Videos Relacionados

    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

    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

    Videos de Experimentos Relacionados

    Last Updated: Jun 30, 2026

    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

    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

    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

    Área de la Ciencia:

    • Ciencias planetarias Ciencias planetarias.
    • Exploración de Marte La exploración de Marte.
    • Astrogeología y Astrogeología.

    Sus antecedentes:

    • Las misiones Viking tenían como objetivo estudiar la superficie y la atmósfera marcianas.
    • Las estimaciones anteriores de las tasas de erosión de la superficie marciana se basaban en datos pre-vikingos limitados.

    Objetivo del estudio:

    • Para documentar los cambios en la superficie de Marte durante un año marciano completo.
    • Para evaluar la precisión de las predicciones de la tasa de erosión previo a los vikingos.

    Principales métodos:

    • Utilizando sistemas de imágenes en los módulos de aterrizaje Viking 1 y Viking 2.
    • Adquisición continua de datos y transmisión de imágenes y datos meteorológicos.

    Principales resultados:

    • Formación observada de agua sólida (H2O) y condensados de dióxido de carbono (CO2) en el sitio Viking 2 durante el invierno.
    • La evidencia sugiere que las tasas de erosión de la superficie marciana debido a la redistribución del polvo son más bajas de lo que se predijo anteriormente.

    Conclusiones:

    • Los procesos de la superficie marciana, como la formación de condensado y la redistribución del polvo, exhiben variaciones estacionales.
    • Las observaciones del módulo de aterrizaje Viking proporcionan datos cruciales in situ para refinar los modelos de la dinámica de la superficie marciana.