Angular area of sky18.6 billionths m^2
667 trillionthsStudio apartments
37.6 quintillionthsLake Tahoe surfaces
3.2 millionthsSticky notes
5.3 sq arcmin, about 1/13 millionth of sky
Photo from Wikimedia Commons
Hubble Deep Field
The most important photograph ever taken/Scientific Objects
In 1995, the Hubble Space Telescope stared at a seemingly empty speck of sky for 10 consecutive days. The resulting image, covering an area of sky smaller than a grain of sand held at arm's length, revealed about 3,000 galaxies spanning 12 billion years of cosmic history. It fundamentally changed our understanding of the universe's scale.
Measurements
Total exposure time864,000 s
10Mayfly lifespans
41,143Mammal pees
2.3 millionthsHolocene eras
10 days
Lookback distance114 septillion m
218 septillionHuman forearms
516 septillionTV remotes
About 12 billion light-years
Image data collected26.2 million B
1.3 millionGPS coordinates
52,400Slack messages
About 25 MB of raw data