$50-$100, depending on condition.
No, Titan is made out of methane.
rain on titan in liquid methane
$50-$75. These were inexpensive guns when new.
Titan is not made of gas. It has an interior of rock with outer layers composed mostly of ice. Titan's atmosphere is made primarily of nitrogen and methane.
Yes. Titan is believed to have rain made of liquid methane.
10000 or so.
50-500 USD or so
Limestone
No. Titan's interior is likely made of rock and metal while the outer layers are made of various ices. The atmosphere of Titan is made primarily of nitrogen and methane. It is too cold for water to exist as a vapor.
50-500 usd
Made in 1982, your rifle is a Grade I, worth $700-$900, depending on condition.
They are made by Titan-US at Renton, Washington. I've never tried these, but they look like really well made tools.