Space Exploration and Astronomy
Public flashcard deck about Space Exploration and Astronomy. 8 cards.
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What is the primary difference between astronomy and astrophysics?
Astronomy is the broader study of celestial objects, space, and the universe as a whole, including their positions, motions, and properties. Astrophysics specifically applies the principles of physics to explain astronomical phenomena.
Which space telescope, launched in 1990, revolutionized our understanding of the universe with its deep field images?
The Hubble Space Telescope (HST).
What is the name of the first artificial satellite successfully launched into Earth's orbit, and in what year?
Sputnik 1, launched by the Soviet Union in 1957.
What is a 'light-year' and what does it measure?
A light-year is the distance that light travels in one year. It measures astronomical distances.
What is the event that marks the end of a massive star's life and can result in a neutron star or a black hole?
A supernova explosion.
What is the term for a region of spacetime exhibiting such strong gravitational effects that nothing—not even particles and electromagnetic radiation such as light—can escape from inside it?
A black hole.