5 days ago · Comet 3I/ATLAS, the third interstellar object ever detected, reached its closest point to Earth overnight from Thursday to Friday (Dec. 18 to 19), and it remains in a good viewing …

Comet browser by Perplexity is the AI browser that acts as a personal assistant. Automate tasks, research the web, organize your email, and more with Comet.

These phenomena are due to the effects of solar radiation and the outstreaming solar wind plasma acting upon the nucleus of the comet. Comet nuclei range from a few hundred meters …

6 days ago · Comet 3I/ATLAS will approach within 168 million miles (270 million kilometers) of Earth when it makes its close flyby on Dec. 19. You can watch comet 3I/ATLAS's flyby live …

4 days ago · Today is one astronomers, stargazers and alien conspiracy theorists have been waiting for: interstellar comet 3I/ATLAS is as close to Earth as ever.

Dec 3, 2025 · When a comet's orbit brings it close to the Sun, it heats up and spews dust and gases into a giant glowing head larger than most planets. The dust and gases form a tail that …

Nov 29, 2025 · Comet, a small body orbiting the Sun with a substantial fraction of its composition made up of volatile ices. Comets are among the most-spectacular objects in the sky, with their …

Dec 15, 2025 · Discovered over the summer, the comet known as 3I/Atlas will pass within 167 million miles of our planet on Friday. That's as close as it will get on its grand tour of the solar …

Aug 26, 2025 · Simply put, a comet is a large body of ice and dust orbiting the Sun, sometimes seen as a bright object in the sky with a long tail streaming behind it. Wanderers of the Solar …

Dec 15, 2025 · Interstellar comet keeps its distance as it makes its closest approach to Earth This image, provided by NASA, shows the interstellar comet 3I/Atlas captured by the Hubble Space …