Are we alone? - Cambrian Explosion

Are they amongst us?

Do you believe in aliens?

⁠https://www.dailymail.co.uk/news/article-12175195/Crashed-UFO-recovered-military-distorted-space-time.html⁠

Whistleblowers starting to accuse US Government of covering up alien craft

Historical whistleblowers: ⁠https://www.thestar.com/news/canada/2020/09/24/bob-lazar-and-ufos-a-reading-and-watching-list.html⁠

What about other countries? ⁠https://www.scmp.com/news/china/science/article/3136078/china-military-uses-ai-track-rapidly-increasing-ufos⁠

The Drake Equation is a mathematical formula that attempts to estimate the number of extraterrestrial civilizations that exist in our galaxy capable of communicating with us. The equation was developed by astronomer Frank Drake in 1961, during a scientific meeting at the Green Bank Observatory in West Virginia.

The equation is written as follows:

N = R_{*} \times️ f_{p} \times️ n_{e} \times️ f_{l} \times️ f_{i} \times️ f_{c} \times️ L

Where:

$N$ is the number of communicative civilizations in our galaxy

$R_{*}$ is the rate of star formation in our galaxy

$f_{p}$ is the fraction of stars that have planets

$n_{e}$ is the average number of planets that can potentially support life per star with planets

$f_{l}$ is the fraction of potentially habitable planets that actually develop life

$f_{i}$ is the fraction of planets with life that develop intelligent civilizations

$f_{c}$ is the fraction of intelligent civilizations that develop technology capable of communicating across interstellar distances

$L$ is the length of time for which communicative civilizations release detectable signals into space.

While the Drake Equation is highly speculative, it has been influential in the field of astrobiology and the search for extraterrestrial intelligence. It is often used as a framework for thinking about the factors that influence the evolution of life and intelligence on other worlds, and the likelihood of detecting extraterrestrial signals.

Major developments in the following points

Discovery of planets
Methods used
New tools
Planets in habitable zone
Planets with water
Presence of water in solar system
The extremes in which life can survive

What is biologically life? ⁠https://www.quantamagazine.org/what-is-life-its-vast-diversity-defies-easy-definition-20210309/⁠

⁠https://www.quantamagazine.org/what-is-an-individual-biology-seeks-clues-in-information-theory-20200716/⁠ Amino acid and rna discoveries in space How binary systems behave and interact due to physics

Science behind alien presence?