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WestMichRad

(1,877 posts)

3. That will be a very useful tool.

Reply to Tetrachloride (Original post)

Fri Jun 21, 2024, 08:42 PM

Jun 2024

“The CubeSat, named Landolt for the late astronomer Arlo Landolt, will fire lasers with a specific number of light particles, or photons, which astronomers can use to calibrate their telescopes for measuring light.”
We don’t currently have any precise reference point for calibration of telescopes.

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Tetrachloride

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Highlight:

Headline hyperbole at Science Alert.com: "Nasa is launching" a satellite. [View all] Tetrachloride Jun 2024 OP

Don't we already have several hundred, if not thousands of those already? brush Jun 2024 #1

thousands of satellites, yes. but no precise measurement of their brightness. Tetrachloride Jun 2024 #2

That will be a very useful tool. WestMichRad Jun 2024 #3