What is SPACE.........How do we study It.........

 Hlw guys, Space is the boundless three dimentional extent in which objects and events have relative position and direction.further space is a vaccum,meaning that sound cannot carry because molecules are not close enough together to transmit sound between them.....Let's forget everything now i show you a picture.......

This is space, No i dont think so or i dont't mean the part of space filled with stars and satellites.this image of world is letting us see part of geographic space.

The Earth is covered in features and relationships that we can measure and study in a various way to better understand our environments. Foe example, if we were to zoom into your community, we might measure the space by counting the buildings to get a sense of how big it is,

But this is your community, so you know where the place to catch up with a neighbor is, like an electric coffee shop and walking the sulpture park. I only see the physical buildings, while you understand the importance of each building.we are looking at the space in two different ways: But there are more ways to discuss space, and they each add a new layer of understanding from measuring it, to defining it, to understanding the relationship between places. just as all historians study events in time, based on what's going on or what's normal for a time period, all geographers study evnts in space.No matter the topic, we end up contextualizing places or human - environment interaction based on the space they exist in.In geography, we ask question to understand what is where,why its there, and how it's changing. So when we are trying to inerpret why glaciers melt or disease outbreaks happen in certain places, we want to both measure space ( to get the "lay of the land" id you will ), and try to understand the significance space has to what's happening. we can think about space in four broad categories that empharize different espect and use a suite of tools and techniques to help us with measuring and understanding our world.

In the simplest form, we can think of space as a container, like a box. Earth is like a stage and everything from cool rock formations to political protests happen on that stage studing space as a cantanier hekps us answer the question "what is where"? by measuring and locating the physical feature or borders or boundaries. to do this, the peoples who work with distance and points, like surveyors, use a ccordinate reference system.Even our phones can be used to tell us what is where. when we open google maps on our phones, the phone connects to a global positioning system or GPS ,which pinpoint the location of an object on the ground using radio from satellite,

When we receiver on earth .......like our phones.......receives a radio wave from three or more satellites, the phone can translate those signal into a precise location, and know where we are.these days all the satellites launched by US, CHINA, RUSSIA, EU, INDIA and JAPAN are called the navigation satellite system.while It's great to know where things are, as we want to go beyond that. Even our phones tell us more than just where the sculpture park is, once we know where things are in space, we can understand how they's related, or their spatial relationships. we are really asking google maps to look at how our beginning  and ending locations are related and find the most efficient connection based on what's physically in the area.

What is the shape of space?

We are used to thinking of space as the emptiness in which things happen, like an empty warehouse ready to be filled, or a theater stage on which the events of the universe play out.but general relativity predicts that space is not just emptiness, it's a physical, dynamic thing, and that prediction has been borne out by many , many experiments.

space can bend because of matter and energy, curving the path of object that move inside of it. It can ripple gravitational waves and it can expand, creating more and more space between two objects.

All of these phenomenon can be describe by one idea: curvature of space or (spacetime).In flat regions of spacetime  ( like, if there's no energy and matter nearby ), bojects travelling along parallel paths stay along parallel paths. But what about space as a whole ? If space is positively curved everywhere, then there's only one shape space can be:giant hyper - patato.If you went in one direction for long enough, eventually you'd end up in the same place you started. if space is flat everywhere, it's shape could be simple : just extend out straight to infinity.

What color is space ?

If we add up all the light coming from galaxies (and the star within them), and from all the clouds of gas and dust in the universe, we'd end up with a color very close to white, but actually a little bit.averaged over the whole sky, however ,this colour is diluted and appers almost , nut not quite, black.

Given the immense size of the universe, and the abundance of stars, it might be surprising that the sky isn't bright white this is because the universe has a finite age, and the light from the furthest stars hasn't time to reach us yet.

Some facts about space ?

1.One million earths could fit inside the sun......and the sun is considered an average size star.

2.You wouldn't be able to walk on Jupiter, Saturn, Uranus or Neptune because they have no solid surface.

3.If you could fly a plane to pluto, the trip would take more than 800 years.

4.The sunset on mars appears blue.

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