5 Questions
How does Jupiter's Great Red Spot compare to Earth in size?
Twice as big
Which star is mentioned as being 2,000 times the diameter of the Sun?
VY Canis Majoris
Approximately how wide is the Milky Way galaxy?
200,000 light-years
How does NGC 674, a spiral galaxy, compare in size to the Milky Way?
Twice as wide
When did some galaxies start forming after the Big Bang?
11 billion years ago
Study Notes
- Earth and the moon can be 252,088 miles apart at their farthest point, a distance that can fit all planets in the solar system.
- Jupiter's Great Red Spot is about twice as big as Earth, while Saturn is nine times wider with rings containing fragments as large as mountains.
- The Sun is significantly larger than Earth, with the biggest known star, VY Canis Majoris, being 2,000 times the diameter of the Sun.
- The Milky Way galaxy is massive, with a diameter of about 100,000 light-years, equivalent to 621 quadrillion 371 trillion 192 billion 237 million 333,890 miles.
- NGC 674, a spiral galaxy, is twice as wide as the Milky Way, stretching over 200,000 light-years, containing millions or billions of stars and planets.
- The universe contains thousands of galaxies, each with millions or billions of stars and their own planets, some forming as early as 11 billion years ago after the Big Bang.
Test your knowledge on the vastness of space with this quiz covering the sizes of celestial bodies, galaxies, and the universe. From the distance between Earth and the moon to the massive size of galaxies like NGC 674, explore the mind-boggling scale of space.
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