The first portion of the galaxy was the halo.
I hope this helps.
The two tools used are:
- A relationship existence between a galaxy's distance from Earth and also that of its speed.
- The findings in the 1960s of the presence of cosmic microwave background radiation.
<h3>What evidence is collected by each tool?</h3>
The evidence to support the big bang are:
- There was found to be some red shifts of a lot of galaxies which connote that the universe is widening.
- Due to the widening of universe, new elements were formed such as hydrogen, deuterium and others.
- Microwaves were found by orbiting detectors.
Therefore, The two tools used are:
- A relationship existence between a galaxy's distance from Earth and also that of its speed.
- The findings in the 1960s of the presence of cosmic microwave background radiation.
Learn more about Astronomers from
brainly.com/question/9420235
#SPJ1
I believe it would be Omo Kibish, southern Ethiopia.
The time it takes earth to revolve around once around the sun is a year.
A solar eclipse occurs when the moon passes between the Earth and Sun.
<span>The position of the moon in relation to the Earth and Sun at a given point determines its phase.
A lunar eclipse occurs when a full moon passes directly behind Earth and is covered in Earth's shadow.
I hope i helped, although i may be wrong</span>