Final answer:
Carl Sagan, Stephen Hawking, and Neil deGrasse Tyson are renowned for their contributions to public understanding of astronomy and cosmology, each using their unique approaches to educate and inspire the general public about the universe.
Step-by-step explanation:
The scientists credited with making astronomy and cosmology relatable to the public include Carl Sagan, Stephen Hawking, and Neil deGrasse Tyson. Carl Sagan was known for his ability to explain complex astronomical ideas to the public, notably through his book 'Cosmos' and the television series 'Cosmos: A Personal Voyage'. His work inspired many to take an interest in the stars and the universe.
Stephen Hawking's contributions to the public's understanding of black holes, the nature of time, and the universe were profound, culminating in his bestselling book 'A Brief History of Time'. Neil deGrasse Tyson has become a household name through his hosting of 'Cosmos: A Spacetime Odyssey' and his regular media appearances where he discusses various aspects of space and science in an engaging manner.
While each scientist has their own unique approach, they all share a passion for making the universe more accessible to the public. Even those who are not as confident in public speaking can contribute through writing, educational programming, and other forms of outreach.