Table of Contents
What is the correct order of the cosmic address?
This is your cosmic address, and it’s going to change how you think about everything: Earth, the Solar System, Oort Cloud, Local Fluff, Local Bubble, Orion Arm, Milky Way Galaxy, Local Group, Virgo Supercluster, Laniakea Supercluster, Universe.
What’s the last line of our cosmic address for now?
Our cosmic address extends well beyond Earth, past the Milky Way and toward the farthest reaches of the universe. But now astronomers are adding another line: the Laniakea Supercluster, which takes its name from the Hawaiin term “lani” meaning heaven and “akea” meaning spacious or immeasurable.
What is are cosmic address?
Imagine extending the address out to bigger and bigger divisions, until it becomes a “cosmic address” that includes your continent, planet, galaxy, and universe. So the “cosmic address” of the Johns Hopkins astronomy building would be: 3701 San Martin Drive. Baltimore, Maryland 21218. USA.
Is Earth in the Orion arm?
The Orion Arm is a minor spiral arm of the Milky Way Galaxy that is 3,500 light-years (1,100 parsecs) across and approximately 10,000 light-years (3,100 parsecs) in length, containing the Solar System, including Earth.
What is the correct order for increasing size in the universe?
From largest to smallest they are: Universe, galaxy, solar system, star, planet, moon and asteroid.
What do we mean when we say that the universe is expanding?
Answer. When scientists talk about the expanding universe, they mean that it has been growing ever since its beginning with the Big Bang. In other words, the universe has no center; everything is moving away from everything else.
Which is the last step of the cosmic address?
The last step of the cosmic address is the largest division: the universe. The universe is actually everything and everywhere. Every star and every galaxy we see is part of the same universe.
Where is the cosmic address of Johns Hopkins?
Imagine extending the address out to bigger and bigger divisions, until it becomes a “cosmic address” that includes your continent, planet, galaxy, and universe. So the “cosmic address” of the Johns Hopkins astronomy building would be: 3701 San Martin Drive Baltimore, Maryland 21218
Where does the term cosmic ray come from?
The following is a brief answer I gave in a comment. This is not an exhaustive answer, but I hope it explains a bit and gives some context. The term “cosmic ray” is used to refer to massive particles (protons, ions, electrons and so on) that come from space. They come at high speed, as Len said.