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Observatory
astrophysics astronom,ers star-gazing etc.
the star is yellow
binary star systems
A triple star system.
the yellow star
telescopes
Telescopes?
Observatory
No spacecraft was needed in order to discover the planet Mercury. It's a "naked eye" object, and has been known as a morning-star/evening-star since ancient times.
astrophysics astronom,ers star-gazing etc.
Radio telescopes detect stars known as 'Pulsars'. They're very small and also known as neutron stars.
They monitor were and how they move they look at the stars through telescopes and get a detailed look at the star so they can build they own models of it
They monitor were and how they move they look at the stars through telescopes and get a detailed look at the star so they can build they own models of it
We can, except we see them by the wobble of the star. The planet itself is too faint for our telescopes to see, but the gravitational pull the planet places on the star causes it to wobble and we can observe that through time-lapse observations.
With a normal telescope, you can't. You need one of those telescopes that NASA uses. But there are some systems of a star and planets. Scientists even discovered a planet 600 light-years away that's like Earth, and might have life on it.
If you can see the star, it's part of the Milky Way. You need one of the biggest telescopes to see any star outside our galaxy.