Question

What in the sky ? what information about gravity can you tell? what do humans want to know about space? ОТВЕТЬТЕ ВОПРОСЕ ПОЖАЛУЙСТА!!!!​

Answer 1

1) A space

2) Gravity is the “curvature” of space. The larger the mass, the greater the “curvature” of space and, therefore, lighter objects “roll” into this “curvature”. All objects that revolve around the Sun are held in their orbits by gravity

3)People want to know about the existence of other planets, the inhabitants of these planets. They also would like to know about the limit of the cosmos and whether it exists at all.

 

Answer 2

In the sky, there are various celestial objects such as the Sun, Moon, stars, planets, and galaxies. These objects have fascinated humans for centuries and have been the subject of scientific study and exploration.

Gravity is a fundamental force in the universe that governs the motion of objects on a cosmic scale. It is responsible for keeping celestial bodies in their orbits, causing tides on Earth, and shaping the structure of the universe. Here are some key points about gravity:

1. Definition: Gravity is the force of attraction between objects with mass. The greater the mass of an object, the stronger its gravitational pull.

2. Universal Law of Gravitation: Sir Isaac Newton formulated the Universal Law of Gravitation, which states that every particle of matter attracts every other particle with a force that is directly proportional to the product of their masses and inversely proportional to the square of the distance between them.

3. Gravitational Field: Gravity creates a gravitational field around an object, extending outward into space. The strength of the field diminishes as you move farther away from the object.

4. General Theory of Relativity: Albert Einstein developed the General Theory of Relativity, which provides a more comprehensive understanding of gravity. According to this theory, gravity is not just a force but also the curvature of spacetime caused by massive objects.

Regarding what humans want to know about space, there are numerous areas of interest and ongoing research. Some common questions and areas of exploration include:

1. Origins of the Universe: Understanding the Big Bang theory, the early moments of the universe, and the formation of galaxies and structures.

2. Exoplanets and Habitability: Identifying and studying planets outside our solar system, particularly those in the habitable zone where life as we know it could potentially exist.

3. Black Holes: Investigating the nature of black holes, their formation, behavior, and the role they play in the evolution of galaxies.

4. Dark Matter and Dark Energy: Determining the nature of dark matter, a mysterious substance that does not interact with light, and dark energy, which is thought to be responsible for the accelerated expansion of the universe.

5. Space Exploration and Colonization: Expanding our presence beyond Earth, exploring other celestial bodies, and eventually establishing human colonies on the Moon, Mars, or other planets.

These are just a few examples of the wide range of questions and areas of interest that humans have in space. The exploration and study of space continue to push the boundaries of human knowledge and inspire new discoveries.