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earthsky.org/astronomy-essentials/why-is-mars-sometimes...

Mars isn’t very big, so its brightness – when it is bright – isn’t due to its bigness, as is true of Jupiter. Mars’ brightness, or lack of brightness, is all about how close it is to us.

earthsky.org/todays-image/photos-videos-mars-brightest...

Here’s why Mars is so bright now. Earth is the blue dot. Mars is the red dot. We’re about to pass between Mars and the sun, so the distance between our 2 worlds is small now. The exact date of ...

www.forbes.com/sites/startswithabang/2018/03/17/ask-ethan...

We know that it's 'the red planet' because of the iron in its soil. But why, with such a thin, carbon dioxide atmosphere, is the martian sky so red and bright?

petapixel.com/2018/07/16/mars-is-so-bright-right-now-you...

Mars is closer to Earth and brighter than its been since back in 2003. It’s so bright that photographer Abdul Dremali managed to capture this photo of the planet casting a bright reflection on ...

www.universetoday.com/22580/why-is-mars-red

Another name for Mars is the Red Planet, and if you’ve ever seen it in the sky when the planet is bright and close to Earth, it appears like a bright red star. In Roman mythology, Mars was the ...

scifi.stackexchange.com/questions/27323/does-mars-is...

Mars, bringer of battle, shines brightly above us, suggesting that the fight must soon break out again. How soon, centaurs may attempt to divine by the burning of certain herbs and leaves." So in Harry Potter, the centaurs view Mars "burning bright" pretty much the same as it has been viewed in astrology historically.

www.reddit.com/r/pics/comments/8yw4xo/mars_was_so_bright...

I'd assume that the aperture depends on a given lens's sweet spot for sharpness, how the camera is mounted, ISO sensitivity. Wide open could leave you with soft edges and corners so it might be preferable to close it up, but there's a limit to hot long you can shoot without a tracking mount before you get noticeable trails... 15-20sec is about it.

science.nasa.gov/.../science-at-nasa/2005/22sep_doublemars

Here's the amazing part: Between now and the end of October, Mars, already so bright, will double in brightness again. Imagine that. Mars is getting brighter for the simple reason that it's getting closer.

www.davidreneke.com/what-makes-venus-the-brightest-planet...

Why Is Venus So Bright Tonight? Venus is so much brighter than any other planet viewed in the sky. Why is it so bright? Astronomers use the term “albedo” to describe how bright a planet is, and Venus has albedo plus. When light strikes a planet, some ...

www.space.com/33619-visible-planets-guide.html

Mars — as April begins, has retreated to a distance of 188 million miles (302 million km) from Earth and is now only as bright as magnitude +1.4 — a far cry from last summer when it was much ...