Astronomy – September 2019
Jupiter Earth Venus Tr i to n 2026 2027 2028 2029 2030 2031 2032 2033 2034 2035 2036 2037 2038 April 15 – May 5, 2026 Launch Oct ...
59 directly overhead. As sunlight heated the ices, nitrogen could have jumped from solid to gas to become the plumes. With the d ...
60 ASTRONOMY • SEPTEMBER 2019 ocean, samples of the interior may lie on the moon’s surface, ripe for the taking. Together, these ...
WWW.ASTRONOMY.COM 61 TRITON’S THIN ATMOSPHERE is composed of nitrogen and methane. During its flyby, Voyager 2 spotted limb clou ...
Life in the SOLAR SYSTEM ...
WWW.ASTRONOMY.COM 63 Who would have thought this dwarf planet could nurture life? The idea seemed ludicrous before New Horizons ...
64 ASTRONOMY • SEPTEMBER 2019 That leaves liquid water as the last hurdle to clear. As men- tioned earlier, radioactive decay wi ...
WWW.ASTRONOMY.COM 65 The second line of evidence concerns a feature that Pluto does not possess. Some bodies, like Earth’s Moon ...
implausibly thick nitrogen lay- ers, however, that contribution alone is not enough. One expla- nation points to a thinning of t ...
WWW.ASTRONOMY.COM 67 How can we confirm an ocean? Over the past two decades, scien- tists have used several techniques to look f ...
68 ASTRONOMY • SEPTEMBER 2019 BINOCULAR UNIVERSE Br i l l i a nt Ve ga i n Ly r a r u le s over the early evening sky t h i s mo ...
M A R K E T P L A C E WWW.ASTRONOMY.COM 69
[email protected]
949.215.3777 http://www.astrohaven.com Keeping it “Beautiful ...
70 ASTRONOMY • SEPTEMBER 2019 SECRET SKY Crisp September nights often bring high-contrast skies, which allows us to look up and ...
WWW.ASTRONOMY.COM 71 NEW PRODUCTS 6-inch refractor Stellarvue Telescopes Auburn, California Stellarvue’s SVX152T-WR35 Premier Ap ...
M80 NGC 6144 M4 t t l o / i b m k SCORPIUS OPHIUCHUS LIBRA s Antares Sh 225 Graffias Sh 226 3° 72 ASTRONOMY • SEPTEMBER 2019 O ...
Have you ever looked up in wonder at the night sky? Subscribe Today! ONLINE Astronomy.com • CALL 877-246-4835 Outside the United ...
74 ASTRONOMY • SEPTEMBER 2019 BREAKTHROUGH A GALAXY PAIR CRASH AND BURN Irregular galaxy NGC 4485 in Canes Venatici has only a s ...
The Mission of Stellarvue is to inspire a healthy interest in science and astronomy by handcrafting the finest telescopes on the ...
Celestron’s Legendary EdgeHD Optics A high-resolution aplanatic Schmidt system with a completely fl at fi eld, free of optical ...
SOUTHERN SKY November 2019 Mercury transits the Sun Four planets adorn the western evening sky early this month. The constella- ...
«
1
2
3
4
5
»
Free download pdf