Green Comet Will Be Visible From Earth This Month For The First Time Since The Ice Age
A green comet will visit Earth today for the first time since the ice age and the time of the Neanderthals. Comet C/2022 E3 (ZTF), or ZTF for short, last approached our planet around 50,000 years ago. It will be visible to the naked eye today under the right conditions as it passes through the inner solar system. The comet is expected to be observable for days as it travels past Earth to the outer solar system. ZTF is known for its green hue, which it gets from a carbon molecule, C2, absorbing and emitting light. The comet, made of ice and dust, will come within 26 million miles of Earth, whic...