explainer · general · evergreen
The Solar Gravitational Lens will Map Exoplanets. Seriously.
Launch Pad Astronomy · Jul 18, 2020 · 23m 32s
What this video covers
Explains the proposed NASA JPL plan to use the Sun as a gravitational lens, sending solar sail craft to its focal region to image an exoplanet's surface. It covers the distances involved, how imaging with the Sun would work and the mission design.
Why it surfaced in Hacker News
HN strongly recommends it as the clearest, best-illustrated explanation of the solar gravitational lens idea, and links it whenever exoplanet imaging comes up.
11.5recommendation score
- 10
- distinct recommenders
- 9
- recommendation months
- 7
- strong recommendations
Recommendation context
Short excerpts from positive mentions. Open the source to read the full Hacker News discussion.
“is a great great video on the subject. I can't recommend enough”
“yes, can't recommend this enough!”
“This video on gravitational lensing blew my mind”