In what year did Galileo first use an optical telescope to study the moon? w) 1492 x) 1611 y) 1212 z) 1743 Answer : ANSWER: B-- 1611...
What is the most distant object in the sky that the human eye can see without optical instruments? w) The Horsehead Nebula x) The Andromeda Galaxy y) The Sagittarius Constellation z) The Aurora Borealis Answer : ANSWER: X -- THE ANDROMEDA GALAXY ...
On February 9, 1991, ROSAT, an orbiting observatory, finished the first ever all-sky survey of: w) radio waves. x) infrared radiation. y) ultraviolet radiation. z) x-rays. Answer : ANSWER: Z -- X-RAYS...
Which of the following men was the first to make systematic use of a telescope in astronomy? w) Copernicus x) Tycho Brahe y) Kepler z) Galileo Answer : ANSWER: D -- GALILEO...
Galileo discovered something about Venus with his telescope that shook the old theories. Which of the following was Galileo's discovery? w) Venus was covered in clouds x) Venus had phases like the moon y) Venus' surface was similar to the earth's z) Venus had retrograde motion Answer : ANSWER: X -- VENUS HAD PHASES LIKE THE MOON...
50.5k questions
47.1k answers
240 comments
7.0k users