Prior to this date, a much slower and more expensive test on rabbits has been used for this purpose. Food and Drug Administration approves LAL ( Limulus amebocyte lysate) for testing drugs, products and devices that come in contact with the blood. Fox classify archaea as a new, separate domain of life. The first complete genome is sequenced - a tiny bacterium-infecting virus called Phi X 174, with just 11 genes, and a little over 5000 base pairs.Thorne–Żytkow objects, a bizarre hybrid of red supergiants and neutron stars, are first theorised.Discovery of the Carina Dwarf galaxy by the UK Schmidt Telescope.2060 Chiron, first of the outer solar system asteroids known as Centaurs, discovered by Charlie Kowal.September 20 – Petrozavodsk phenomenon observed in northern skies.September 5 – Voyager program: Voyager 1 is launched after a brief delay.August 20 – Voyager program: The United States launches the Voyager 2 spacecraft.August 15 – Ohio State University Radio Observatory, working on the SETI project, receives a strong narrowband radio signal from deep space the event is named the Wow! signal for a notation made by researcher Jerry R.August 12 – The NASA Space Shuttle Enterprise makes its first test free-flight from the back of a jetliner.March 10 – Rings of Uranus discovered by Kuiper Airborne Observatory measurements of star occultation.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |