Will it Survive? I took a look at how the Samsung Galaxy S5 reacts with some liquid mercury. Note; after letting the phone soak overnight I noticed tons of tiny little mercury circles inside the back cover.... Read More | Share it now!
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News from Hubble and Across the Universe! May 2014
It’s that time again, time for +Tony Darnell and Dr. +Frank Summers to get together and fill you in on all the latest science and happenings from the Hubble Space Telescope.... Read More | Share it now!
Planet Hunting Techniques: Astrometry
The gravity of a planet, however weak it might be, is enough to pull its parent star just a little bit out of place as the planet orbits.... Read More | Share it now!
Planet Hunting Techniques: Transit Method
If a planet’s orbit around its star is angled just right, the planet will regularly pass in front of or “transit” its star from our point of view. When it does, the planet will block a tiny bit of the star’s light.... Read More | Share it now!
Planet Hunting Techniques: Direct Imaging
Taking a picture of an extrasolar planet sounds like the easiest way to discover a planet, but in reality, it is probably the most difficult. Seeing the faint glow of a planet amidst the brilliant glare of its parent star is like spying a firefly buzzing around a huge spotlight from a mile away.... Read More | Share it now!
Planet Hunting Techniques: Radial Velocity
Even though a planet is so much smaller than its star, it still exerts a tiny gravitational tug on the star as it orbits. When a planet is behind its star (from our point of view), it pulls the star slightly away from us. When the planet is in front of its star, it pulls the star slightly toward us. This causes the star to wobble ever so slightly back and forth. Most planets have been discovered after astronomers caught this wobble.... Read More | Share it now!
Planet Hunting Techniques: Microlensing
Astronomers can discover a planet not by noticing the planet’s gravitational effects on its parent star but rather on a star much farther away.... Read More | Share it now!
Moonrise: The Surprisingly Diverse Array of Moons in our Solar System
Moonrise: The Surprisingly Diverse Array of Moons in our Solar System
Dr. Bonnie Meinke, Space Telescope Science Institute... Read More | Share it now!
The Samsung Galaxy S5 Sandwich
With some simple ingredients, you can make your very own Tech Sandwich/Burger!
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