Cosmology

A different view: This orbiting telescope was launched in July last year and despatched to an observing position some 1.5 million km from Earth. Once commissioned and declared fully operational in December, it was left to slowly rotate and scan the depths of space. eRosita’s first all-sky data-set, represented in the image at the top of this page, was completed only last week. It records over a million sources of X-rays. Jonathan Amos, “Breathtaking new map of the X-ray Universe” at BBC Still amazing.

Typical images of the solar system are NOT to scale, showing the planets at grossly exaggerated sizes. Here is a typical case, HT Wikimedia, WP and Planet User: So, some video makers did a little project to show it to scale, out to Neptune . . . beyond, lies vastly more of course, but Pluto has been demoted to “dwarf planet.” Video: A Pandemic Sunday reflection from scripture comes to mind: Psalm 19:1The heavens declare the glory of God; and the firmament sheweth his handywork.2 Day unto day uttereth speech, and night unto night sheweth knowledge.3 There is no speech nor language, where their voice is not heard. 4 Their line is gone out through all the earth, and their words to the Read More ›