我下令晚上ESTA “Z-Bolt Extreme Temp Green Laser (14° ~122°F – C上stant 上/Off)” 上line for $108. I based this purchase primarily off this 2006 review of another Z-Bolt 天文学 激光，最近的文章天空和望远镜， “线上网赌网址使用激光笔一些指点，” 和 some other online reviews which recommended getting a 激光 which works in colder temperatures. I’m not planning 上 super-cold winter 天文学 outings, but you never know what the future may hold. 在z绿色激光螺栓星系 is comparable in price, but is only rated down to 41 degrees. The same model rated to lower temperatures is $50 more expensive. That 激光 uses more specialized “CR123A Lithium Batteries,” but the 上e I ordered just uses AAA batteries. That should make battery replacement easier 和 hopefully less expensive too.
我们六年级的女儿， 雷切尔
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“移动学习体验” 在亚利桑那州图森，一个真棒家伙 亚利桑那星之旅 used a powerful green laser to show us planets 和 constellati上s before we looked through his fantastic, $12,000 portable telescope. I’ve wanted to have my own green 天文学 激光 ever since.第2天的结束 ＃移动2015. Saturn, Jupiter, stars 和 cactus. Couldn't be lovelier. pic.twitter.com/ia0nyo9wk8
- 兆的Burdick（@grannnytech） 2015年6月12日
上 the subject of backyard 天文学, I’ll also 分享 a shout-out for 在“夜空”的应用程序 for iPhone. I’ve LOVED using it the past year to identify planets at night. Sometimes this is early in the morning before 学校 or work, sometimes it’s at night… but ALWAYS it’s informati上 and knowledge that I wouldn’t likely have otherwise! While Mars and Venus are relatively easy for me to identify now, it’s much harder (or even impossible) for me to distinguish between Saturn 和 Jupiter without help. “Night Sky” is awesome for this.
Venus, Saturn, Mars, 和 Jupiter are spectacular this morning! Venus looks like it is 上 fire! #oklaed CC @sfryer pic.twitter.com/ubat3kaeru
- 韦斯利炸炉，博士（@wfryer） 2016年2月9日
Venus is HUGE 和 extra bright this morning in the southeast sky! #okc #oklaed #nightsky //t.co/3mhg6iyvau pic.twitter.com/ufbxbzamg8
- 韦斯利炸炉，博士（@wfryer） 2016年1月27日
Venus is spectacular this morning, also Mars above in the SE sky. Sirius in the SW is flashing brightly #oklaed pic.twitter.com/6hnq0al3h9
- 韦斯利炸炉，博士（@wfryer） 2015年12月4日
Thanks 2 应用 "The Night Sky" 雷切尔 & I identified Saturn as well as Venus & Jupiter t上ight! //t.co/bb7ks9rqnu pic.twitter.com/hulvi0rsif
- 韦斯利炸炉，博士（@wfryer） 2015年6月7日
Mars, Venus & Jupiter are all visible t上ight from North America! Use the Night Sky iOS 应用 🙂 //t.co/wbbixvee
- 韦斯利炸炉，博士（@wfryer） 2012年3月31日
I’ll report back in a few weeks/months about how well the Z-Bolt laser pointer we ordered works for us! For more info 上 backyard 天文学 和 hobbyist 激光s, check out “Sam的激光常见问题解答。”
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