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Tidal forces and orbital evolution of habitable zone planets investigated

How do tidal forces shape a planet's orbital evolution, especially for those in the habitable zone? A recently submitted ...

Six planets are hanging out in early morning skies this month. Here’s how to spot them

These linkups happen when several planets appear to line up in the night sky at once. Such parades are fairly common, ...

You Think You Know the Difference Between Planets and Moons. You Don’t.

But it’s not just looks. Rocky composition, general size, orbital behaviors—a lot of those qualities can be the same on both ...

Six Planets Line Up in Parade: Where and When to See Rare Spectacle

While most of the planets will be visible to the naked eye, others will require special equipment to be spotted.

See 6 Planets Align in the Night Sky This August

This rare planetary alignment will be visible from August 10 but will be best viewed later in the month. Here’s everything ...

Aliens on Earth? Ocean life discovery could offer clues to life on other planets

Chemosynthetic life communities in the Northwest Pacific could offer glimpse of what life might look like on other planets ...
Astronomy2d

Before spacecraft, how did astronomers determine the mass, size, and composition of the giant planets?

Prior to flybys, scientists used mathematical laws and observation to determine the characteristics of the planets.
Space.com on MSN9d

Can you name all the planets in order in the solar system? Try our new quiz to find out!

From the scorching surface of Mercury to the icy edges of Neptune, our planetary neighborhood is full of wonders. The order ...
ScienceAlert on MSN1d

Rogue Planets Floating in Space Appear to Be Forming Their Own Moons

Free-floating, planetary-mass objects that are just drifting carefree through the galaxy, untethered and starless, appear to ...