45-50% of the moon is lit up.
According to x-ray observations, the space between galaxies in a galaxy cluster is very hot. It is because the matter between galaxies (often called the intergalactic medium) is mostly hot, ionized hydrogen with bits of heavier elements such as carbon, oxygen and silicon thrown in.
Massive structures are collapsing than at earlier times. Large collapsing structures lead to higher velocity intergalactic shocks and, as a result, significant intergalactic shock heating, with some gas heated well above the K temperatures.
Heating also occurs as galaxies expel out most of the gas that fell into them. The final product is a warm/hot phase, with temperatures of > K.
Now, Let's know how do you use X-rays to make space observations?
X-radiation is absorbed by the Earth's atmosphere, so instruments to detect X-rays must be taken to high altitude by balloons, sounding rockets, and satellites.
To learn more about Galaxy Cluster, here
brainly.com/question/16557484
#SPJ4
Answer:
The slope of the graph is what you need. That tells you the speed not the velocity. In order to find the velocity you would also need to know the direction of the motion.
Answer:
B. tinkering, presenting, testing
Explanation:
In technological designs, some actions that are part of a system of methodical tests are grouped as technological process. Technological process is defined as the ordered procedure or steps to be followed in order to successfully accomplish a task (e.g project).
The project must have been created and refined i.e tinkered to ensure it gives an expected result or outcome i.e the project should give a solution to the problem that it was designed for. Which would undergo presentation and testing before it can be approved.