Neil deGrasse Tyson Biography PDF
Neil deGrasse Tyson is a American astronomer, astrophysicist, cosmologist, author, and science communicator. He popularized science with his books & …
Neil deGrasse Tyson is a American astronomer, astrophysicist, cosmologist, author, and science communicator. He popularized science with his books & …
Copernicus was a great and influential Astronomer,Polyglot and Polymath. Coparnicus obtained a doctorate in canon law and was a mathematician, …
Mary Somerville was a scientist, writer, and polymath and a Astronomer. Somerville’s discussion of a hypothetical planet perturbing Uranus led …
Copernicus was a Polish astronomer,who 1st proposed that the Sun is the centre in Solar System and Planets circle the …
There are lots of Astronomers,who have great contribution to explore Space,starts with Hipparchus to Albert Einsteine. They studies the objects …
Edmond Halley was a English Astrologer and Scientist who is best known for predicting the orbit of the Comet,he is …
Charles Messier was a French astronomer,who was the 1st to compile a systematic catalog of Nebulae and Star Clusters. Charles …
Mae Jemison was the 1st African-American woman to travel in space,and she has also written several books & appeared on …
Astronaut Sally Ride knew the significance of her first Space Shuttle mission in 1983. To the fascinated nation, the most …
Yuri Gagarin was a Soviet(now Russia) Pilot and Cosmonaut who became the 1st human in Space at 1961 . Yuri …