Q. On February 9, 1991, ROSAT, an orbiting observatory, finished the first ever all-sky survey of
Solution:
According to NASA, the Roentgensatellit (ROSAT) was a joint German, U.S. and British X-ray astrophysics project.
ROSAT carried a German-built imaging X-ray Telescope (XRT) with three focal plane instruments: two German Position Sensitive Proportional Counters (PSPC) and the US-supplied High Resolution Imager (HRI).
Related Questions
Q. When a brick put in to the water it absorbs water quickly. Identify the phenomenon behind this
View SolutionQ. The source of energy which are formed in earth over millions of years and which get deleted due to their continuous use but do not replenished are known as
View SolutionQ. Substance used for producing heat energy are called
View Solution
Get Question Bank
Strengthen Your Practice with our comprehensive question bank.
