Remote Sensing

Discovering the first true "alien Earth" is a long-held dream of astronomers — and recent exoplanet discoveries have shown that small, rocky worlds like our own are abundant in the galaxy. Let’s look ...

29 Sep 20228min

NASA's Kepler Space Telescope was an observatory in space dedicated to finding planets outside our solar system, with a particular focus on finding planets that might resemble Earth.

25 Aug 20226min

NASA's Curiosity rover is currently roaming Mars' landscape looking for signs of life and learning about the Red Planet's unique environment. Curiosity has four main science goals: Determine whether l...

21 Aug 20227min

Quasars are distant objects powered by black holes a billion times as massive as our sun, Shining so brightly that they eclipse the ancient galaxies that contain them. These powerful dynamos have fasc...

5 Aug 20226min

Asteroids are rocky objects revolving around the sun that are too small to be called planets. They are also known as planetoids or minor planets. There are millions of asteroids, ranging in size from ...

1 Aug 20227min

Comets are cosmic snowballs of frozen gases, rock, and dust that orbit the Sun. When frozen, they are the size of a small town. When a comet's orbit brings it close to the Sun, it heats up and spews d...

16 Jul 20229min

Everywhere we point telescopes in the sky, we see galaxies, going back to the earliest moments in history where galaxies could even exist. These galaxies fall into a pattern: large scale structure of ...

11 Jul 20224min