Alitheastronomer - Science Rules

The loneliest of galaxies

Jupiter’s moon, Callisto.

The planet Saturn, observed by the Hubble Space Telescope.

Have gravitational waves been found?

Excited rumors began circulating on Twitter this morning that a major experiment designed to hunt for gravitational waves—ripples in the fabric of spacetime first predicted by Albert Einstein—has observed them directly for the very first time. If confirmed, this would be one of the most significant physics discoveries of the last century.

The Gaussian Integral is a beautiful integral for which the area between the e^(-x^2) and the x-axis from negative infinity to positive infinity perfectly equals the square root of pi. Image sources: 1, 2.

Cassini, Jupiter and Saturn

This is a model of how many Earth’s can fit inside the sun. 

An eclipse, caught from a plane.

Tilt-shift photo of the space shuttle Endeavor by NASA

A wanderer dancing the dance of stars and space - the barred spiral galaxy NGC 1097

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