These doughnut shaped zones of atomic particles consists of electrons and protons captured by the earths magnetic field from the solar winds and are called?
113Based on best altitude conditions, during what month in the northern hemisphere is it the best time to observe the full moon?
109In a search for planet x, this celestial body was found after astronomers had searched for an orbital disturbance of the planet uranus?
137This powerful telescope weighs about 11 tons, has a primary mirror 7.9 feet in diameter, and orbits about 380 miles above the earth?
97The time between two successive meridian transits of the sun as observed from a stationary spot on the earth's surface is called?
118Give the common name for the phenomenon which is the result of sunlight reflecting off the earth and faintly illuminating the darkened portion of the moon?
109What is the term for the amount of energy released from each square meter of an objects surface each second?
127The work of this harvard college observatory scientist made possible the first accurate determination of extragalactic distances by what is often called henriettas law?
78Of the three types of meteorites, which is the most common, in terms of the number of samples, to fall to earth in recorded history?
100
Which are the first soviet us space mission to moon?
How many moons do Jupiter planet have?
When did the challenger return to the earth after its first mission?
Of the three types of meteorites, which is the most common, in terms of the number of samples, to fall to earth in recorded history?
What are asteroids like?
When was the first american manned space mission to moon begun?
This powerful telescope weighs about 11 tons, has a primary mirror 7.9 feet in diameter, and orbits about 380 miles above the earth?
Tell me how many stars are there in the whole universe?
Which space flight sent the pictures of moon’s farside and when?
Tell me how many moons does uranus have?
Tell me how many moons do ceres have?
Which is largest and most massive star?
Tell me how many planets are in the new solar system?
How big is the universe?
Whos book, titled concerning the revolutions of celestial spheres, is considered to mark the birth of modern astronomy?