In 1929, Carnegie astronomer Edwin Hubble discovered that the universe is expanding, and revolutionized our perspective on the universe. Decades of discovery followed. The launch of the Hubble Space Telescope (HST) in 1990 enabled astronomers to make measurements of the universe of unprecedented accuracy. Professor Freedman will describe how astronomers measure how fast the universe is...
The ordinary atoms that make up the known universe, from our bodies and the air we breathe to the planets and stars, constitute only 5% of all matter and energy in the cosmos. The remaining 95% is made up of a recipe of 25% dark matter and 70% dark energy, both nonluminous components whose nature remains a mystery. Freese will recount the stories of the dark matter puzzle, starting with the...
In Late 2014 India joined the International consortium for building and operating next generation mega ground based optical and infrared astronomy facility known as the “Thirty Meter telescope (TMT) International Observatory (TIO). India's in-kind contributions include Primary mirror Segment Support Assembly (SSA), Actuators, Edge Sensors, Primary mirror Segment Polishing, Observatory...