It was the first time astronomers knew just when and where a piece of space debris would reenter Earth’s atmosphere. It was last night, over the Indian Ocean.
The mysterious grooves on Phobos are likely early signs of structural failure. Scientists expect the moon to be pulled apart in 30 to 50 million years.
As winter sets in at the south pole of Saturn’s moon Titan, a massive ice cloud has been forming. It’s the “button” in this image from the Cassini spacecraft.
This comet is the same one causing the amazing display of Taurid fireballs on Earth this year. And so our solar system begins to seem a little more familiar.
Two of Pluto’s mountains could be cryovolcanoes – ice volcanoes – that might have spewed an ammonia-ice slurry in the recent geological past.
“These are four of the strangest moons in the solar system,” said New Horizons mission’s Mark Showalter. “We still don’t know what to make of it.”
It’s beautiful. It’s the best gift ever! And it’ll help you get in touch with nature. What more could you ask? Read the 6 tips below and enjoy your moon calendar!
Want to be an astronaut? NASA is seeking explorers for future space missions. Here’s what it takes and how to apply.
Another great glimpse of Mars – the world next door – from NASA’s Curiosity rover.