Categories
Solar System Astronomy Earth from Space Space Exploration

NASA’s Solar System and Beyond Poster Set [You can download and print for free!]

You can download and print NASA’s “Solar System and Beyond” Poster Set for free. The posters are best printed on 11”x17” paper.

Categories
Astronomy Solar System

The best view yet of 2I/Borisov, the first confirmed interstellar comet by the Hubble Space Telescope

On October 12, 2019, the NASA/ESA Hubble Space Telescope provided astronomers with their best look yet at the first confirmed interstellar comet – the 2I/Borisov (originally designated C/2019 Q4).

Categories
Astronomy Solar System Space Exploration

10 lesser-known space facts

Did you know that the Moon and space itself have a smell? Space has a lot of surprises. Here are the 10 lesser-known space facts.

Categories
Solar System Astronomy Planet Earth

Ancient Distance and Apparent Size of the Moon [Video]

Today, on average, the Moon is 384,400 km (238,000 miles) away from the Earth. But that was not always the case. Our satellite was much closer in the past. Now, Dr. James O’Donoghue (@physicsJ on Twitter) created the animation below showing the ancient distances and apparent size of the Moon.

The animation also includes the current distance and apparent size of the moon in the Earth’s sky.

Categories
Earth from Space Solar System Space Exploration

Earthrise: Amazing imagery from JAXA Kaguya/SELENE Lunar Orbiter

The amazing video below is a showcase of spectacular imagery obtained by Japan Aerospace Exploration Agency’s (JAXA) Kaguya/SELENE spacecraft which orbited the Moon for a year and eight months and returned stunning views from its HDTV camera suite. A must-watch!

Categories
Physics Solar System

Can we create a lake on the Moon?

What if we fill a crater on the moon with water? Can we create a lake on the moon? Would the water stay in this artificial lake?

Categories
Astronomy Solar System

Comet C/2019 Q4 Borisov [our new interstellar visitor]

After ʻOumuamua, now we are likely to have another interstellar visitor beyond our solar system: comet C/2019 Q4 (Borisov). So the interstellar objects entering the solar system may not be rare at all.

Categories
Solar System Astronomy

Hubble’s latest portrait of Saturn and its rings

On June 20, 2019, Hubble Space Telescope snapped this beautiful portrait of Saturn and its rings at the ringed planet’s closest approach to Earth. The image was published on September 12, 2019.

Categories
Solar System Astronomy Space Exploration

Where are the spacecraft and planets now? [NASA animation]

To see exactly where the spacecraft and the celestial bodies (planets and other astronomical objects) really are, right now, you can use NASA’s real-time, 3D solar system model.

Categories
Solar System Astronomy Climate Life on Earth Physics Planet Earth

How Earth Could Die [12 Horrible Ways!]

Now we’re living on a warm, hospitable planet. As Carl Sagan has said “That’s home. That’s us. On it everyone you love, everyone you know, everyone you ever heard of, every human being who ever was, lived out their lives.” We, humans, are the unquestionable rulers of our little oasis in a hostile universe. But all things must pass. Life on Earth, even the planet itself, won’t last forever. What’s more, humans may go extinct before our planet (and probably before the life on it) dies out. Here are some possible (and horrible) ways how planet Earth (or, at least, life on Earth) could die.