If we can only see the dimming effect of a planet on its star to truly ...

Betelgeuse is Dimming . . . Why? - Sky & Telescope

In just two months it's fallen from 10th place to 21st, according to astronomer James Kaler's 26 Brightest Stars list, a remarkable decline — and a historic low ...

Astronomers Have Decoded a Weird Signal Coming from a Strange ...

When the astronomers zoomed in, they realized there are actually two similarly sized stars in the system, and that only one of them is dimming ...

Kepler Telescope Discovers Most Earth-Like Planet Yet

The planet's red dwarf star is only about half as big as the sun, making it cooler and dimmer. But Kepler-186f is on a tighter orbit than Earth ...

Sun Science stamps | By US Postal Service - Facebook

When you look at those, you're actually looking at eruptions exactly what happens in the solar Corona. You see dimming, You see changes in that ...

Betelgeuse went dark, but didn't go supernova. What happened?

The star's temperature hadn't dropped as much as would be expected if the dimming was from something intrinsic to the star, like its convection ...

21.4 Planets beyond the Solar System: Search and Discovery

Or, if its orbit is properly aligned, a planet will periodically cross in front of the star, causing the brightness of the star to dim. To ...

Natural Explanations Are Being Eliminated for Tabby Star

The latest results have ruled out explanations involving only opaque objects such as stars, planets, swarms of asteroids, or more simple non-dynamic alien ...

Exoplanets true to size - ScienceDaily

If an exoplanet passes in front of its star as seen by an observer, it dims the starlight. This is reflected in the light curve as a regularly ...

Kepler finds Tabby's Star is mysteriously dimming - Astronomy Now

This also ensures that if a star happens to fall on a faulty sensor pixel, it will only affect observations for three months each year. If ...

The most important star we've ever looked at (so far) | - TED Ideas

“A Jupiter-size planet around this star would dim it by one half of a percent,” she says. “You would need more than 50 Jupiter-size planets to ...

Exoplanet detection methods - ESA Science & Technology

Even when the light of the star is blocked, most planets are too faint or too close to the star to be seen. However, it is possible to image young, massive ...

I just seen a star disappear? - Astronomy and Space - Science Forums

“Relatively bright” corresponds to a magnitude between -1 and 1, while the limit of naked eye visibility is about 3, so if what you were ...

The Great Dimming of Betelgeuse seen by the Himawari-8 ... - Nature

Thanks to enormous observational effort to date, two hypotheses remain that can explain the Dimming: a decrease in the effective temperature and ...

The night sky is vanishing: 80 percent of Americans can no longer ...

Does it really matter if we can't see the stars? · 1) Light pollution can disrupt our sleep. · 2) It messes with wildlife. · 3) It's a big waste of ...

Detecting Long-Period Planets & Stellar Companions

We face the same issue with the transit method, which charts the drop in brightness as a planet moves across the face of its star as seen from ...

Planets beyond the Solar System: Search and Discovery | Astronomy

When the orbital plane of the planet is tilted or inclined so that it is viewed edge-on, we will see the planet cross in front of the star once per orbit, ...

How Different Stars Affect the Habitability of Their Planets

Planets are largely at the mercy of their home star, and a star's high-energy radiation can cause a planet to lose its atmosphere to space.

Is the "Alien Megastructure" around Tabby's Star Actually a Ringed ...

Basically, the rings would be the first thing to obscure light coming from the star, but only to a small degree. Once the bulk of the gas giant ...

17.1 The Brightness of Stars – Astronomy - UCF Pressbooks

If, for example, we have two stars of the same luminosity and one is twice as far away as the other, it will look four times dimmer than the closer one. If it ...

'Alien megastructure' signal may be due to star eating a planet

When you are a messy eater, it can take a long time to clean up after a meal. The slow dimming of Tabby's star and the sudden dips in its light ...