Sky Lights is a weekly blog about things you see in the sky (and some you can’t see). It covers a wide range of disciplines including: astronomy, meteorology, climatology, chemistry, physics, optics, earth & space science, and more.
Question: At what point during the history of science did we discover outer space was a vacuum? I’m pretty sure it was before we actually went there, but when did we know for certain? — MC, Algoma, WI
See Martian sun rays: 'First time sun rays have been so clearly viewed on Mars,' NASA said
It took 10 years of photographing Mars but, NASA's Curiosity rover finally caught the " first sun rays on Mars," according to NASA.
The rays are crepuscular rays which are alternating bands of light and dark, which are rays and shadows, seen at the earth's surface when the sun shines through clouds, according to NOAA. Curiosity proved that Mars has the rays too.
No, the moon phase can't help find your soulmate on TikTok | Space
A new TikTok trend suggests that users can compare the phases of the moon on the day they are born to determine if they are soulmates.
The trend continues a long association between romance and the moon and is similar in many ways to astrology, which suggests the positions of stars, planets, and the moon can influence a person's character and even determine the course of events.
Strange circular dunes on Mars spotted in these NASA photos | Space
Planetary scientists have captured an image of near-perfectly circular sand dunes on the surface of Mars. While sand dunes across the Red Planet come in a wealth of shapes and sizes, such well-defined circles are unusual.
The slight asymmetry in the sand dunes shows their steep sides are orientated towards the south.
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