Scientists have found the oldest material on Earth in a 7 billion-year-old meteorite – a space rock that is way older than the Earth and even older than our solar system! For comparison, the age of Earth is approximately 4.54 billion years, with an error range of about 50 million years. The Sun is about […]
Christopher Palma, Pennsylvania State University As an astronomer, the question I hear the most is why isn’t Pluto a planet anymore? More than 10 years ago, astronomers famously voted to change Pluto’s classification. But the question still comes up.
NASA Goddard Planetary Scientist Dr. James O’Donoghue (@physicsJ) created another beautiful video showing the relative rotation speeds of Solar System planets.
You can download and print NASA’s “Solar System and Beyond” Poster Set for free. The posters are best printed on 11”x17” paper.
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).
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.
A team of astronomers led by Carnegie’s Scott S. Sheppard have recently found 20 new moons around Saturn These new moons bring the total number to 82, which makes Saturn the mooniest planet in the solar system. What’s more, you can help name the new ones!
Matteo Ceriotti, University of Glasgow In the Chinese science fiction film The Wandering Earth, recently released on Netflix, humanity attempts to change the Earth’s orbit using enormous thrusters in order to escape the expanding sun – and prevent a collision with Jupiter. The scenario may one day come true. In five billion years, the sun […]
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.
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.