Astronomers Orbiting TRAPPIST-1 Star Could Be Peering Back At Earth
A U.S. scientist searching for a civilization across 7 Earth clones circling the red dwarf star TRAPPIST-1 says its own alien astronomers could also be scanning Earth.
Scientific American14d
How Many Planets Are in the Solar System?
The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...
Space on MSN8d
Giant planet or 'failed star?' Newfound mystery world blurs the lines
"With an orbital period of 570 days, it is a relatively cold gas giant planet," said Guðmundur Stefánsson of the University ...
Spacecraft finds a positively enormous planet 12 times Jupiter's mass
Gaia-4b is considered a super-Jupiter planet, a relatively cold gas giant, orbiting its star over 570 Earth-days. That star ...
Space.com15d
How did life's building blocks end up on dwarf planet Ceres?
Located in the asteroid belt between Jupiter and Mars, it was once classified as ... leading scientists to reclassify it as a dwarf planet in 2006. Ceres is a cryovolcanic world, where ice and ...
New York Post25d
A magical planetary alignment will occur this month — how, where and when to see it happen
Venus, Mars, Jupiter, Saturn ... There are eight planets in our solar system, nine if you count dwarf power planet Pluto. Because we live on Earth, the max number of planets we can see from ...
EurekAlert!18d
Dwarf planet Ceres: Building blocks of life delivered from space
The organic material found in a few areas on the surface of dwarf planet Ceres is probably of exogenic origin. Impacting asteroids from the outer asteroid belt may have brought it with them. In the ...