what will happen if the earth is collided with other planets

If Earth were to collide with another planet, the consequences would be catastrophic and dependent on several factors including the size and mass of the colliding planet, the velocity at which they meet, and the angle of impact. Here are some potential outcomes:

1. Massive Energy Release: The collision would release a tremendous amount of energy, equivalent to many millions of nuclear explosions. This would cause instantaneous, widespread devastation across the surface of both planets where they come into contact.

2. Global Catastrophe: Such an event would likely result in global catastrophes, including tsunamis, earthquakes, and volcanic eruptions due to the immense forces involved. The kinetic energy from the collision could also lead to fractures in the Earth's crust and mantle.

3. Atmospheric and Climate Disruptions: Dust and debris thrown into the atmosphere would block sunlight, leading to a dramatic drop in global temperatures. This could result in a "nuclear winter"-like scenario, with long-term implications for climate and the ability of life to survive.

4. Ecological Collapse: The immediate destruction and the subsequent environmental changes would lead to massive disruptions in ecosystems. Many species would struggle to adapt to the new conditions, potentially leading to widespread extinctions.

5. Planetary Disintegration: Depending on the size and speed of the impacting planet, Earth could be significantly deformed or even shattered into pieces. In extreme cases, the planet could be completely destroyed.

6. Altered Orbit and Rotation: The collision could alter Earth's orbit around the Sun and its rotation on its axis, leading to significant changes in climate patterns and day-night cycles.

7. Long-Term Geological Changes: Over time, the planet might experience extensive geological changes as it tries to re-stabilize after the impact. This could include the formation of new mountain ranges, shifts in ocean basins, and other major geological events.

It's important to emphasize that such a collision is highly unlikely due to the vast distances between planets and the relative stability of our solar system. The chances of Earth being hit by another planet are astronomically low, and our current understanding of the solar system indicates that such an event is not expected in the foreseeable future.