If trees could scream, would we be so cavalier about cutting them down? We might, if they screamed all the time, for no good reason. — Deep Thoughts by Jack Handey This series is about how planets die — it is introduced here. Earth is a cosmic freaking paradise. Just look at our neighboring planets: … More How planets die: climate catastrophe!
If you ever drop your keys into a river of molten lava, just let them go because, man, they’re gone. — Deep thoughts by Jack Handey This series is about how planets die — it is introduced here. What do you think of when you hear the word tides? Ocean waves? The Moon? Maybe sitting … More How planets die: Fried by tidal volcanoes
Gas giants have murdered rocky planets (or their building blocks) around ~5 billion stars in our galaxy! (Usually by dropping them onto their Suns!). … More How planets die: When good Jupiters go bad
Just like people, planets are born and they die. We know how people die. But google “how planets die” and you’ll get the wrong answer. … More How planets die
Can moons orbit moons? wondered Juna and I.
Some planets have moons, you know, up in the sky
But none of those moons has its own moon around it.
When Juna’s son learned this he just was astounded! … More Can moons orbit moons? — the poem
Planets orbit stars. Moons orbit planets. But no moons have their own moons (let’s call them submoons). Why is that? … More Can moons have moons?
One fine week in May, well, I needed some peace
I packed up my bags and I headed to Nice… … More The MOJO videos
Mars is a weirdo. (Well, as far as planets go). Why is it so small (just 11% as massive as Earth)? … More Mars’ growth stunted!
I once ordered a beer then straight away spilled it all over the bar. There was just a tiny sip left in the glass. Frowny face.
Remember ‘Oumuamua, the weird-shaped rock flying through the Solar System? Just like my sip of beer, it might only be a small piece of what it once was. … More ‘Oumuamua: a shred of its former self
Gas giants are the bullies of planetary systems. They are hundreds of times more massive than small rocky or icy worlds, so when gas giants throw a tantrum, their whole planetary system feels it. Giant planet moons are among the innocent bystanders swept up in the chaos. Giant planets around other stars have different orbits … More Exo-moons: Innocent bystanders during gas giant instabilities