Fill in the blank. An object can be broken up by a planet's gravity once it passes the _______. The Jovian planets are composed primarily of _______ and helium. Hydrogen and helium don't exist in Earth's _______ because the terrestrial planets of Mercury, Venus, Earth, and Mars couldn't exert a strong gravitational pull on hydrogen and helium gas within the nebula. _______ is the planet closest to the sun, has almost no atmosphere, and what little atmosphere exists is constantly getting blown away by solar wind. The atmosphere of _______ is very hot and dense, comprised of approximately 95 percent carbon dioxide, and the surface is composed of molten bedrock. Respond to the following based on your reading. Briefly describe why an object might break up under the force of gravity as it approaches a planet. What happens if the planet is very dense? What if the planet is less dense? Briefly explain why the Jovian planets formed farther away from the sun than the terrestrial planets.

Respuesta :

Answer:

1. Roche limit

2. hydrogen

3. atmosphere

4. Mercury

5. Venus

6. When an object passes the Roche limit, the strength of gravity on the object increases. If the density of the planet is higher, then the object can break up farther away from the planet. If the density is lower, then the Roche limit is located closer to the planet.

7. Farther out in the solar system, beyond the frost line, hydrogen was at a low enough temperature that it could condense. This allowed hydrogen to accumulate under gravity, eventually forming the Jovian planets.

Explanation:

The universal pull of attraction that is present on the planet is called gravity. The gravitational pull results in attraction force between planets, stars, galaxies etc.

The blanks are:

Blank 1: Roche limit

Planets have a limit to which they can entertain objects in their atmosphere. The limit at which the gravity of the planet breaks object is called the Roche limit.

Blank 2. Hydrogen

  • Jovian planets include Jupiter, Uranus, Saturn and Neptune and have rocky surfaces.

  • Primary gases found on the Jovian planet are helium and hydrogen along with traces of ammonia, methane etc.

Blank 3. Atmosphere

The atmosphere of the earth does not have helium and hydrogen in them as the gravitational pull by other planets like Mercury, Mars and Venus are not able to exert a pull on helium and hydrogen-containing atmospheres.

Blank 4. Mercury

The planet closest to the sun is mercury and it has no atmosphere and is the smallest planet.

Blank 5. Venus

The second closest planet to the sun and the hottest planet of the solar system is Venus it has a dense atmosphere with 95% carbon dioxide in its atmosphere.

6. The object passing the Roche limit goes through increased gravity which breaks the object.

If the planet is dense then the object breaks further from the planet while when the planet is less dense then the Roche limit will be located close to the planet.

7. The Jovian planets formed far away from the Sun because beyond point Hydrogen accumulated due to low temperature and formed the Jovian planets.

To learn more about Jovian planets and Roche point follow the link:

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