Phenomenon
Weak Gravitational Lensing
Subtle gravity-driven distortion of galaxy shapes.
Statistical distortions of background galaxy shapes, used to map dark matter throughout the universe.
Overview
Statistical distortions of background galaxy shapes, used to map dark matter throughout the universe.
See also
Solar Eclipse
When the Moon stands between Earth and Sun.
Lunar Eclipse
When Earth's shadow falls on the Moon.
Meteor Showers
Cosmic dust burning in our atmosphere.
Aurora (Northern/Southern Lights)
Solar wind painting the upper atmosphere.
Supernova
The catastrophic death of a massive star.
Planetary Conjunction
When two worlds appear to meet in the sky.