Space
They came from other stars! [COMIC]
Only three interstellar objects have ever been spotted. Here’s what we know about them and why they’re so cool.
By Matthew R. Francis and Maki Naro
HS-ESS1-3
Communicate scientific ideas about the way stars, over their life cycle, produce elements.
More Stories in HS-ESS1-3
- Space
Analyze This: Ice around baby stars may hint at origins of Earth’s water
Scientists have now gotten a good look at the ice around a baby star. It might help them unravel the origins of the water needed for life on Earth.
- Space
This astronomer searches for alien chemistry and tech
At the SETI Institute, Chenoa Tremblay uses radio telescopes to look for molecules and emissions given off by alien technology.
- Space
Megastars shredded by black holes offer new type of cosmic explosion
Called extreme nuclear transients, these events are 30 to 1,000 times as bright as supernovas — and their glow may persist for a year or more.
- Space
A passing star could fling Earth out of orbit — or into the sun
Computer models show that a star's tug could send Mercury, Venus or Mars crashing into Earth — or let Jupiter eject our world from the solar system.
- Space
Scientists Say: Corona
The sun’s corona can only be seen without special instruments during a total solar eclipse.
- Space
Explainer: What is the solar cycle?
Here’s what causes the sun’s 11-year cycle of activity and what it means for us on Earth.
- Earth
Get ready for the 2024 total solar eclipse
A total solar eclipse will race across North America on April 8, 2024, providing a rare opportunity for both scientists and casual observers.
- Chemistry
Pollution power? A new device turns carbon dioxide into fuel
Scientists made a device that converts the greenhouse gas into formate. This salt can then run a fuel cell to make electricity.
- Planets
In a first, astronomers spot the aftermath of an exoplanet smashup
Infrared light from a distant star appears to be leftovers of an impact between a pair of Neptune-sized worlds.
